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84 results on '"Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB)"'

1. Diversity patterns of leaf-associated aquatic hyphomycetes along a broad latitudinal gradient

Author: Veronique C. A. Vos, Andreas Bruder, Edwin T. H. M. Peeters, Eric Chauvet, Marika Makkonen, Brendan G. McKie, Mark O. Gessner, JÃ©rÃ©my Jabiol, Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Swiss Federal Insitute of Aquatic Science and Technology [Dübendorf] (EAWAG), Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich), Technische Universität Berlin (TU), VU University Amsterdam, Umeå University, Swedish University of Agricultural Sciences (SLU), Wageningen University and Research [Wageningen] (WUR), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), Technical University of Berlin / Technische Universität Berlin (TU), Vrije Universiteit Amsterdam [Amsterdam] (VU), Systems Ecology, Amsterdam Global Change Institute, Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), Institut National Polytechnique de Toulouse - INPT (FRANCE), Technische Universität Berlin - TU Berlin (GERMANY), Umea University (SWEDEN), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Wageningen University & Research - WUR (NETHERLANDS), Swiss Federal Institute of Aquatic Science and Technology - EAWAG (SWITZERLAND), Sveriges lantbruksuniversitet - SLU (SWEDEN), Eidgenössische Technische Hochschule Zürich - ETHZ (SWITZERLAND), Vrije University Amsterdam - VU (NETHERLANDS), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Vrije universiteit = Free university of Amsterdam [Amsterdam] (VU), and Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Subjects: 0106 biological sciences, Aquatic Ecology and Water Quality Management, Biodiversité et Ecologie, Biodiversity, Plant Ecology and Nature Conservation, Plant Science, Biology, fungal communities, 010603 evolutionary biology, 01 natural sciences, Fungal biodiversity, Plant litter, litter, Ecosystem, 14. Life underwater, Ecology, Evolution, Behavior and Systematics, Invertebrate, biodiversity, decomposition, Ecology, 010604 marine biology & hydrobiology, Ecological Modeling, stream, Fungal sporulation, Species diversity, temperature, 15. Life on land, Aquatische Ecologie en Waterkwaliteitsbeheer, colonization, Latitudinal gradient, Aquatic hyphomycetes, Invertebrate consumers, species-diversity, Litter, Species evenness, Plantenecologie en Natuurbeheer, Species richness, leaves, community structure, [SDE.BE]Environmental Sciences/Biodiversity and Ecology
Abstract: Information about the global distribution of aquatic hyphomycetes is scarce, despite the primary importance of these fungi in stream ecosystem functioning. In particular, the relationship between their diversity and latitude remains unclear, due to a lack of coordinated surveys across broad latitudinal ranges. This study is a first report on latitudinal patterns of aquatic hyphomycete diversity associated with native leaf-litter species in five streams located along a gradient extending from the subarctic to the tropics. Exposure of leaf litter in mesh bags of three different mesh sizes facilitated assessing the effects of including or excluding different size-classes of litter-consuming invertebrates. Aquatic hyphomycete evenness was notably constant across all sites, whereas species richness and diversity, expressed as the Hill number, reached a maximum at mid-latitudes (Mediterranean and temperate streams). These latitudinal patterns were consistent across litter species, despite a notable influence of litter identity on fungal communities at the local scale. As a result, the bell-shaped distribution of species richness and Hill diversity deviated markedly from the latitudinal patterns of most other groups of organisms. Differences in the body-size distribution of invertebrate communities colonizing the leaves had no effect on aquatic hyphomycete species richness, Hill diversity or evenness, but invertebrates could still influence fungal communities by depleting litter, an effect that was not captured by the design of our experiment. (C) 2013 Elsevier Ltd and The British Mycological Society. All rights reserved.
Published: 2013
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2. Biotic and abiotic variables influencing plant litter breakdown in streams: a global study

Author: Verónica Ferreira, Catherine M. Pringle, Markos A. Alexandrou, Jude M. Mathooko, Andrea C. Encalada, Lavenia Ratnarajah, Bradley J. Cardinale, Andrew J. Boulton, Ricardo Figueroa, José Rincón, Javier Pérez, Tomoya Iwata, Marcelo S. Moretti, Richard G. Pearson, Catherine M. Yule, Charles M'Erimba, Luz Boyero, Tajang Jinggut, Muthukumarasamy Arunachalam, Eric Chauvet, Marcos Callisto, Andreas Bruder, Catherine Mathuriau, Julie E. Helson, Alonso Ramírez, David Dudgeon, Leon A. Barmuta, José F. Gonçalves, Russell G. Death, Alexander S. Flecker, Ricardo J. Albariño, Cang Hui, Mark O. Gessner, Manuel A. S. Graça, Ikerbasque - Basque Foundation for Science, James Cook University (JCU), Stellenbosch University, African Institute of Mathematical Sciences, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Technical University of Berlin / Technische Universität Berlin (TU), University of California [Santa Barbara] (UC Santa Barbara), University of California (UC), Universidade de Coimbra [Coimbra], University of Michigan [Ann Arbor], University of Michigan System, Universidad Nacional del Comahue [Neuquén] (UNCOMA), Manonmaniam Sundaranar university (INDIA), University of Tasmania [Hobart, Australia] (UTAS), University of New England (UNE), Swiss Federal Insitute of Aquatic Science and Technology [Dübendorf] (EAWAG), Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich), Universidade Federal de Minas Gerais [Belo Horizonte] (UFMG), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), The University of Hong Kong (HKU), Universidad San Francisco de Quito (USFQ), Universidad de Concepción - University of Concepcion [Chile], Cornell University [New York], Universidade de Brasilia [Brasília] (UnB), University of Toronto, Yamanashi University, Monash University [Malaysia], Egerton University, Universidad Nacional Autónoma de México = National Autonomous University of Mexico (UNAM), Universidad Vila Velha - UVV (BRAZIL), University of Georgia [USA], University of Puerto Rico (UPR), Universidad del Zulia (LUZ), Universidad del Azuay (UDA), Centre National de la Recherche Scientifique - CNRS (FRANCE), Universidade de Coimbra (PORTUGAL), Cornell University (USA), University of Hong Kong - HKU (CHINA), Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), IKERBASQUE (SPAIN), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), James Cook University - JCU (AUSTRALIA), Massey University (NEW ZEALAND), Monash University (MALAYSIA), Technische Universität Berlin - TU Berlin (GERMANY), Universidad de Concepción - UDEC (CHILE), Universidad Nacional Autónoma de México - UNAM (MEXICO), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Universidad del País Vasco - Euskal Herriko Unibertsitatea - EHU (SPAIN), University of Toronto (CANADA), University of Yamanashi (JAPAN), African Institute for Mathematical Sciences - AIMS (SOUTH AFRICA), Swiss Federal Institute of Aquatic Science and Technology - EAWAG (SWITZERLAND), Egerton university (KENYA), Stellenbosch University - SU (SOUTH AFRICA), Eidgenössische Technische Hochschule Zürich - ETHZ (SWITZERLAND), Universidade de Brasília - UnB (BRAZIL), Universidad del Azuay - UDA (ECUADOR), Universidade Federal de Minas Gerais - UFMG (BRAZIL), University of Georgia - UGA (USA), University of Michigan - U-M (USA), Universidad Nacional del Comahue (ARGENTINA), University of New England - UNE (AUSTRALIA), Universidad de Puerto Rico - UPR (PUERTO RICO), Universidad San Francisco de Quito - USFQ (ECUADOR), University of Tasmania (AUSTRALIA), Universidad del Zulia - LUZ (VENEZUELA), University of California - UC Santa Barbara (USA), Universidade Vila Velha - UVV (BRAZIL), Laboratoire Ecologie fonctionnelle et Environnement - EcoLab (Toulouse, France), Basque Foundation for Science (Ikerbasque), Technische Universität Berlin (TU), University of California [Santa Barbara] (UCSB), University of California, Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Universidad San Francisco de Quito (EQUATEUR), Universidad de Concepción [Chile], Universidad Nacional Autónoma de México (UNAM), and Institut National Polytechnique de Toulouse - INPT (FRANCE)
Subjects: 0106 biological sciences, Litter quality, Climate, Detritivore shredders, Biodiversity, 010603 evolutionary biology, 01 natural sciences, Freshwater ecosystem, Alder, General Biochemistry, Genetics and Molecular Biology, Carbon Cycle, Rivers, Ecosystem, 14. Life underwater, Research Articles, Phylogeny, General Environmental Science, Abiotic component, Ecologie, Environnement, [SDV.EE]Life Sciences [q-bio]/Ecology, environment, Decomposition, General Immunology and Microbiology, biology, Ecology, 010604 marine biology & hydrobiology, General Medicine, 15. Life on land, Plant litter, Hydrogen-Ion Concentration, Plants, biology.organism_classification, Latitudinal gradient, Biota, Alnus glutinosa, Biodegradation, Environmental, 13. Climate action, Litter, Environmental science, General Agricultural and Biological Sciences
Abstract: Plant litter breakdown is a key ecological process in terrestrial and freshwater ecosystems. Streams and rivers, in particular, contribute substantially to global carbon fluxes. However, there is little information available on the relative roles of different drivers of plant litter breakdown in fresh waters, particularly at large scales. We present a global-scale study of litter breakdown in streams to compare the roles of biotic, climatic and other environmental factors on breakdown rates. We conducted an experiment in 24 streams encompassing latitudes from 47.8° N to 42.8° S, using litter mixtures of local species differing in quality and phylogenetic diversity (PD), and alder ( Alnus glutinosa ) to control for variation in litter traits. Our models revealed that breakdown of alder was driven by climate, with some influence of pH, whereas variation in breakdown of litter mixtures was explained mainly by litter quality and PD. Effects of litter quality and PD and stream pH were more positive at higher temperatures, indicating that different mechanisms may operate at different latitudes. These results reflect global variability caused by multiple factors, but unexplained variance points to the need for expanded global-scale comparisons.
Published: 2016
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3. Is European catfish a threat to eels in southern France?

Author: Jari Syväranta, Alain J. Crivelli, Aurélia Martino, Régis Céréghino, Frédéric Santoul, Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Station Biologique de la Tour du Valat, Centre National de la Recherche Scientifique - CNRS (FRANCE), Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Tour du Valat - Centre de recherche pour la conservation des zones humides méditerranéennes (FRANCE), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), and Université de Toulouse (UT)
Subjects: 0106 biological sciences, Stable isotope analysis, Biodiversité et Ecologie, Population, Camargue, Conservation, Aquatic Science, 010603 evolutionary biology, 01 natural sciences, Mullet, Predation, [SDV.BA.ZV]Life Sciences [q-bio]/Animal biology/Vertebrate Zoology, 14. Life underwater, education, Nature and Landscape Conservation, education.field_of_study, Ecology, Overfishing, biology, 010604 marine biology & hydrobiology, Aquatic animal, Crayfish, biology.organism_classification, Zoologie des invertébrés, Fishery, European catfish, Ecosystèmes, European eel, Omnivore, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Gut contents, [SDV.EE.IEO]Life Sciences [q-bio]/Ecology, environment/Symbiosis, Catfish
Abstract: International audience; European eel (Anguilla anguilla) is recognized as a critically endangered species in the northern hemisphere. Threats such as overfishing or pollution are well known as risks for eel populations. However, much less is known about the impact of introduced fish on European eels. In particular, introduced large-bodied predators could become new predators to eels.The potential impact of European catfish (Silurus glanis L) on an eel population in the Camargue, southern France was studied using a combination of stable isotope and gut content analyses.Only large bodied catfish (> 500 mm) can consume numerous fish prey. However, catfish mostly consumed crayfish (Procambarus clarkii), these prey items being found in 79% of the guts of the largest individuals. Eel was absent from the dissected catfish guts. A mixing model based on Bayesian inference revealed that catfish diet included only 5% (0-8.5%) of marine sources (both eel and mullet).While local economic interests prompted ecological studies to assess whether catfish exerted a new and strong predatory pressure on eel, this study found that European catfish behaved as an opportunistic omnivore, and as such was not a direct threat as a predator on eel populations in the Camargue.
Published: 2011
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4. Latitudinal gradient of nestedness and its potential drivers in stream detritivores

Author: Luz Boyero, Eric Chauvet, Cang Hui, Christopher M. Swan, Marcos Callisto, José F. Gonçalves, Ana M. Chará-Serna, Andrea C. Encalada, Verónica Ferreira, Manuel A. S. Graça, Ricardo J. Albariño, Mark O. Gessner, Marcelo S. Moretti, Catherine M. Yule, Richard G. Pearson, David Dudgeon, Julie E. Helson, Brendan G. McKie, Aydeé Cornejo, Muthukumarasamy Arunachalam, Jude M. Mathooko, Julián Chará, Universidad del Pais Vasco / Euskal Herriko Unibertsitatea [Espagne] (UPV/EHU), IKERBASQUE, Basque Foundation for Science, 48011, Bilbao, Spain, James Cook University (JCU), University of Maryland [College Park], University of Maryland System, Stellenbosch University, Laboratorio de Fotobiología (Bariloche, Argentina), Manonmaniam Sundaranar university (INDIA), Laboratorio de ecologia de Bentos (Belo Horizonte, Brazil), Universidade Federal de Minas Gerais [Belo Horizonte] (UFMG), Centro para la Investigacion en sistemas Sostenibles de Produccion Agropecuaria - CIPAV (COLOMBIA), Centro de investigaciones y estudios en biodiversidad y recursos geneticos - CIEBREG (COLOMBIA), University of British Columbia (UBC), Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Instituto Conmemorativo Gorgas de Estudios de la Salud [Panamá], The University of Hong Kong (HKU), Universidad San Francisco de Quito (EQUATEUR), Universidade de Coimbra [Coimbra], Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Technische Universität Berlin (TU), Laboratório de Limnologia (Brasilia, Brazil), University of Toronto, Egerton University, Swedish University of Agricultural Sciences (SLU), Laboratório de Ecologia de Insetos Aquáticos - LEIA (Vila Velha, Brazil), Monash University [Malaysia], Ikerbasque - Basque Foundation for Science, Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), Universidad San Francisco de Quito (USFQ), Technical University of Berlin / Technische Universität Berlin (TU), Universidade de Coimbra (PORTUGAL), University of Hong Kong - HKU (CHINA), Instituto Conmemorativo Gorgas de Estudios de la Salud - ICGES (PANAMA), Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), IKERBASQUE (SPAIN), James Cook University - JCU (AUSTRALIA), Monash University (MALAYSIA), Technische Universität Berlin - TU Berlin (GERMANY), University of Maryland (USA), University of Toronto (CANADA), Centro para la investigaciòn en Sistemas Sostenibles de producciòn agropecuaria - CIPAV (COLOMBIA), Egerton university (KENYA), Stellenbosch University - SU (SOUTH AFRICA), Sveriges lantbruksuniversitet - SLU (SWEDEN), Universidade de Brasília - UnB (BRAZIL), University of British Columbia (CANADA), Universidade Federal de Minas Gerais - UFMG (BRAZIL), Universidad Nacional del Comahue (ARGENTINA), Euskal Herriko Unibertsitatea - EHU (SPAIN), Universidad San Francisco de Quito - USFQ (ECUADOR), Universidade Vila Velha - UVV (BRAZIL), Laboratorio de Ecologia de Bentos (Belo Horizonte, Brazil), and Laboratoire Ecologie fonctionnelle et Environnement - EcoLab (Toulouse, France)
Subjects: 0106 biological sciences, Biodiversité et Ecologie, media_common.quotation_subject, stream detritivores, Biology, 010603 evolutionary biology, 01 natural sciences, Competition (biology), Latitude, Ciencias Biológicas, Nestedness, 14. Life underwater, Ecology, Evolution, Behavior and Systematics, Invertebrate, media_common, Ecology, leaf litter dynamics, latitudinal gradients, Detritivore, 15. Life on land, Plant litter, Ecología, Latitudinal gradient, 010601 ecology, Taxon, spatial nestedness, Stream detritivores, Biological dispersal, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, human activities, CIENCIAS NATURALES Y EXACTAS
Abstract: Understanding what mechanisms shape the diversity and composition of biological assemblages across broad-scale gradients is central to ecology. Litter-consuming detritivorous invertebrates in streams show an unusual diversity gradient, with a-diversity increasing towards high latitudes but no trend in g-diversity. We hypothesized this pattern to be related to shifts in nestedness and several ecological processes shaping their assemblages (dispersal, environmental filtering and competition). We tested this hypothesis, using a global dataset, by examining latitudinal trends in nestedness and several indicators of the above processes along the latitudinal gradient. Our results suggest that strong environmental filtering and low dispersal in the tropics lead to often species-poor local detritivore assemblages, nested in richer regional assemblages. At higher latitudes, dispersal becomes stronger, disrupting the nested assemblage structure and resulting in local assemblages that are generally more species-rich and non-nested subsets of the regional species pools. Our results provide evidence that mechanisms underlying assemblage composition and diversity of stream litter-consuming detritivores shift across latitudes, and provide an explanation for their unusual pattern of increasing a-diversity with latitude. When we repeated these analyses for whole invertebrate assemblages of leaf litter and for abundant taxa showing reverse or no diversity gradients we found no latitudinal patterns, suggesting that function-based rather than taxon-based analyses of assemblages may help elucidate the mechanisms behind diversity gradients. Fil: Boyero, Luz. Universidad del Pais Vasco; España. Basque Foundation for Science; España. Doñana Biological Station; España Fil: Pearson, Richard G.. James Cook University; Australia Fil: Swan, Christopher M.. University of Maryland; Estados Unidos Fil: Hui, Cang. University of Stellenbosch; Sudáfrica. African Inst.itute for Mathematical Sciences; Sudáfrica Fil: Albariño, Ricardo Javier. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue; Argentina Fil: Arunachalam, Muthukumarasamy. Manonmainam Sundaranar University; India Fil: Callisto, Marcos. Universidade Federal do Minas Gerais; Brasil Fil: Chará, Julián. Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria; Colombia Fil: Chará Serna, Ana M.. Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria; Colombia Fil: Chauvet, Eric. Universite de Toulose - Le Mirail; Francia Fil: Cornejo, Aydeé. Instituto Conmemorativo Gorgas de Estudios de la Salud; Panamá Fil: Dudgeon, David. University of Hong Kong; China Fil: Encalada, Andrea C.. Universidad San Francisco de Quito; Ecuador Fil: Ferreira, Verónica. Universidad de Coimbra; Portugal Fil: Gessner, Mark O.. Leibniz - Institute Of Freshwater Ecology And Inland Fisheries; Alemania. Berlin Institute of Technology; Alemania Fil: Gonçalves Jr. , José F.. Universidade Do Brasilia; Brasil Fil: Graça, Manuel A. S.. Universidad de Coimbra; Portugal Fil: Helson, Julie E.. University Of Toronto; Canadá Fil: Mathooko, Jude M.. Egerton University; Canadá Fil: McKie, Brendan G.. Swedish University of Agricultural Sciences; Suecia Fil: Moretti, Marcelo S.. University of Vila Velha; Brasil Fil: Yule, Catherine M.. Monash University; Australia
Published: 2015
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5. Continental-Scale Effects of Nutrient Pollution on Stream Ecosystem Functioning

Author: Angheluta Vadineanu, Markus Schindler, Scott D. Tiegs, Tadeusz Fleituch, Jesús Pozo, Mark O. Gessner, Michael Dobson, Björn Malmqvist, Manuel A. S. Graça, Lena B. M. Vought, Antoine Lecerf, Verónica Ferreira, Helen Cariss, Sally Hladyz, Paul S. Giller, Brendan G. McKie, Marius Nistorescu, Vladislav Gulis, Eric Chauvet, Guy Woodward, Geta Rîşnoveanu, Arturo Elosegi, Jean O. Lacoursière, University College Cork (UCC), Queen Mary University of London (QMUL), Swiss Federal Insitute of Aquatic Science and Technology [Dübendorf] (EAWAG), Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Technische Universität Berlin (TU), Universidade de Coimbra [Coimbra], Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Umeå University, Oakland University, Manchester Metropolitan University (MMU), Universidad del Pais Vasco / Euskal Herriko Unibertsitatea [Espagne] (UPV/EHU), Polska Akademia Nauk = Polish Academy of Sciences (PAN), Kristianstad University College - HKR (SWEDEN), University of Bucharest (UniBuc), Centre National de la Recherche Scientifique - CNRS (FRANCE), Universidade de Coimbra (PORTUGAL), Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), Institut National Polytechnique de Toulouse - INPT (FRANCE), Polish Academy of Sciences (POLAND), Technische Universität Berlin - TU Berlin (GERMANY), University College Cork (IRELAND), Umea University (SWEDEN), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Universidad del País Vasco - Euskal Herriko Unibertsitatea - EHU (SPAIN), University of Bucharest (ROMANIA), Swiss Federal Institute of Aquatic Science and Technology - EAWAG (SWITZERLAND), Manchester Metropolitan University - MMU (UNITED KINGDOM), Oakland University (USA), Queen Mary University of London - QMUL (UNITED KINGDOM), Eidgenössische Technische Hochschule Zürich - ETHZ (SWITZERLAND), Laboratoire Ecologie fonctionnelle et Environnement - EcoLab (Toulouse, France), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Technical University of Berlin / Technische Universität Berlin (TU), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), and Université de Toulouse (UT)
Subjects: 0106 biological sciences, Biogeochemical cycle, Biodiversité et Ecologie, Biogeochemical processes, Biodiversity, Aquatic ecosystem, Ilex, 010501 environmental sciences, 010603 evolutionary biology, 01 natural sciences, Quercus, Nutrient, Rivers, Water Pollution, Chemical, Animals, Ecosystem, Biomass, 0105 earth and related environmental sciences, Ecosystem health, Multidisciplinary, Ecology, Hydrogeomorphology, Aquatic biodiversity, Eutrophication, 15. Life on land, Invertebrates, 6. Clean water, Europe, Plant Leaves, 13. Climate action, Nutrient pollution, Environmental science, [SDE.BE]Environmental Sciences/Biodiversity and Ecology
Abstract: Reading the Leaves Excess inputs of nutrients—a type of pollution known as eutrophication—threatens biodiversity and water quality in rivers and streams. Woodward et al. (p. 1438 ; see the Perspective by Palmer and Febria ) studied how one key ecosystem process—leaf-litter decomposition—responds to eutrophication across a large nutrient pollution gradient in 100 European streams. Leaf breakdown was stimulated by low to moderate nutrient concentrations but was inhibited at high rates of nutrient loading.
Published: 2012
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6. Trophic complexity enhances ecosystem functioning in an aquatic detritus-based model system

Author: Mark O. Gessner, Eric Chauvet, Jérémy Jabiol, Brendan G. McKie, Andreas Bruder, Caroline Bernadet, Centre National de la Recherche Scientifique - CNRS (FRANCE), Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Technische Universität Berlin - TU Berlin (GERMANY), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Swiss Federal Institute of Aquatic Science and Technology - EAWAG (SWITZERLAND), Sveriges lantbruksuniversitet - SLU (SWEDEN), Eidgenössische Technische Hochschule Zürich - ETHZ (SWITZERLAND), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), Swedish University of Agricultural Sciences (SLU), Swiss Federal Insitute of Aquatic Science and Technology [Dübendorf] (EAWAG), Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, and Technical University of Berlin / Technische Universität Berlin (TU)
Subjects: Aquatic Organisms, Food Chain, Insecta, Trout, Biodiversité et Ecologie, Biodiversity, Biology, Quercus, Mesopredator release hypothesis, Ascomycota, Rivers, Animals, Amphipoda, Ecosystem, Ecosystem diversity, Detritivores, Trophic cascade, Ecology, Evolution, Behavior and Systematics, Trophic level, Ecology, Body Weight, Detritivore, Fungi, Litter decomposition, Invertebrates, Aquatic hyphomycetes, Plant Leaves, Shredders, Stream, Animal Science and Zoology, France, Species richness, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Biodiversity and ecosystem functioning
Abstract: International audience; 1. Understanding the functional significance of species interactions in ecosystems has become a major challenge as biodiversity declines rapidly worldwide. Ecosystem consequences arising from the loss of diversity either within trophic levels (horizontal diversity) or across trophic levels (vertical diversity) are well documented. However, simultaneous losses of species at dif- ferent trophic levels may also result in interactive effects, with potentially complex outcomes for ecosystem functioning.2. Because of logistical constraints, the outcomes of such interactions have been difficult to assess in experiments involving large metazoan species. Here, we take advantage of a detri- tus–based model system to experimentally assess the consequences of biodiversity change within both horizontal and vertical food-web components on leaf-litter decomposition, a fun- damental process in a wide range of ecosystems.3. Our concurrent manipulation of fungal decomposer diversity (0, 1 or 5 species), detritivore diversity (0, 1 or 3 species), and the presence of predatory fish scent showed that trophic com- plexity is key to eliciting diversity effects on ecosystem functioning. Specifically, although fungi and detritivores tended to promote decomposition individually, rates were highest in the most complete community where all trophic levels were represented at the highest possible species richness. In part, the effects were trait-mediated, reflected in the contrasting foraging responses of the detritivore species to predator scent.4. Our results thus highlight the importance of interactive effects of simultaneous species loss within multiple trophic levels on ecosystem functioning. If a common phenomenon, this out- come suggests that functional ecosystem impairment resulting from widespread biodiversity loss could be more severe than inferred from previous experiments confined to varying diver- sity within single trophic levels.
Published: 2013
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7. Benthic algae stimulate leaf litter decomposition in detritus-based headwater streams: a case of aquatic priming effect?

Author: Michael Danger, Arnaud Elger, Eric Chauvet, Antoine Lecerf, Paola Chavez, Julien Cornut, Centre National de la Recherche Scientifique - CNRS (FRANCE), Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), Institut National Polytechnique de Toulouse - INPT (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Université de Lorraine (FRANCE), Laboratoire Ecologie fonctionnelle et Environnement - EcoLab (Toulouse, France), Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), and Université de Toulouse (UT)
Subjects: 0106 biological sciences, Time Factors, Biodiversité et Ecologie, 010603 evolutionary biology, 01 natural sciences, Primary producer–decomposer interactions, Decomposer, Rivers, Animals, Ecosystem, 14. Life underwater, Biomass, Ecology, Evolution, Behavior and Systematics, 2. Zero hunger, Diatoms, biology, Primary producers, Bacteria, Ecology, 010604 marine biology & hydrobiology, Aquatic ecosystem, fungi, Detritivore, Fungi, 15. Life on land, Plant litter, biology.organism_classification, Aquatic hyphomycetes, Leaf litter decomposition, Plant Leaves, Aquatic priming effect, Diatom, Agronomy, 13. Climate action, Primary producer-decomposer interactions, Nutrient level, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Microbial assemblage, Microcosm, Environmental Monitoring
Abstract: International audience; In detritus-based ecosystems, autochthonous primary production contributes very little to the detritus pool. Yet primary producers may still influence the functioning of these ecosystems through complex interactions with decomposers and detritivores. Recent studies have suggested that, in aquatic systems, small amounts of labile carbon (C) (e.g., producer exudates), could increase the mineralization of more recalcitrant organic-matter pools (e.g., leaf litter). This process, called priming effect, should be exacerbated under low- nutrient conditions and may alter the nature of interactions among microbial groups, from competition under low-nutrient conditions to indirect mutualism under high-nutrient conditions. Theoretical models further predict that primary producers may be competitively excluded when allochthonous C sources enter an ecosystem. In this study, the effects of a benthic diatom on aquatic hyphomycetes, bacteria, and leaf litter decomposition were investigated under two nutrient levels in a factorial microcosm experiment simulating detritus- based, headwater stream ecosystems. Contrary to theoretical expectations, diatoms and decomposers were able to coexist under both nutrient conditions. Under low-nutrient conditions, diatoms increased leaf litter decomposition rate by 20% compared to treatments where they were absent. No effect was observed under high-nutrient conditions. The increase in leaf litter mineralization rate induced a positive feedback on diatom densities. We attribute these results to the priming effect of labile C exudates from primary producers. The presence of diatoms in combination with fungal decomposers also promoted decomposer diversity and, under low-nutrient conditions, led to a significant decrease in leaf litter C:P ratio that could improve secondary production. Results from our microcosm experiment suggest new mechanisms by which primary producers may influence organic matter dynamics even in ecosystems where autochthonous primary production is low.
Published: 2013
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8. The role of organisms in hyporheic processes : gaps in current knowledge, needs for future research and applications

Author: José-Miguel Sánchez-Pérez, Ph. Vervier, Magali Gerino, Pascal Breil, D. Martin, Marie-José Dole-Olivier, Arnaud Foulquier, Bernard Montuelle, Anne L. Robertson, B. Dumont, Alexis Guilpart, Ph. Namour, Nouria Belaidi, Florian Mermillod-Blondin, Frédéric Julien, Thibault Datry, Julien Cornut, Nolwenn Bougon, Sabine Sauvage, Christophe Piscart, S. Stroffek, Martin T. Pusch, Eric Chauvet, Chafik Maazouzi, Cécile Claret, G. Archambaud, Nicolas Flipo, M. Wantzen, Dominique Ombredane, Simon Navel, T. Pelte, Pierre Marmonier, Amina Taleb, Agence de l'Eau en France (FRANCE), Agrocampus Ouest (FRANCE), Centre National de la Recherche Scientifique - CNRS (FRANCE), Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), Institut National Polytechnique de Toulouse - INPT (FRANCE), Institut National de la Recherche Agronomique - INRA (FRANCE), Roehampton University (UNITED KINGDOM), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Université Claude Bernard-Lyon I - UCBL (FRANCE), Université Abou Bekr Belkaid Tlemcen (ALGERIA), Acceptables Avenirs (FRANCE), Institut national de recherche en sciences et technologies pour l’environnement et l’agriculture - CEMAGREF (FRANCE), Mines ParisTech (FRANCE), Université Paul Cézanne - Aix-Marseille III (FRANCE), Université de Tours (FRANCE), Milieux Aquatiques, Ecologie et Pollutions - MALY (Villeurbanne, France), Cités, Territoires, Environnement et Sociétés - CITERES (Tours, France), Centre de Géosciences Mines ParisTech (Fontainebleau, France), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Équipe 3 - Écologie, Évolution, Écosystemes Souterrains (E3S), Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés (LEHNA), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS), Hydrobiologie (UR HYAX), Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF), Département de Biologie et Environnement, Université de Tlemcen, Milieux aquatiques, écologie et pollutions (UR MALY), Hydrologie-Hydraulique (UR HHLY), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), Avignon Université (AU)-Aix Marseille Université (AMU)-Institut de recherche pour le développement [IRD] : UMR237-Centre National de la Recherche Scientifique (CNRS), Centre de Géosciences (GEOSCIENCES), Mines Paris - PSL (École nationale supérieure des mines de Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL), Écologie et santé des écosystèmes (ESE), Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST, INRA, UMR CARTEL, River Monitoring & Management - Suivi et gestion des rivières (2014-2016), Institut des Sciences Analytiques (ISA), Université de Lyon-Université de Lyon-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Agence de l'eau Rhône Méditérranée Corse, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Department of Life Sciences, University of Roehampton, United Kingdom, Cités, Territoires, Environnement et Sociétés (CITERES), Université de Tours (UT)-Centre National de la Recherche Scientifique (CNRS), Écologie, Évolution, Écosystemes Souterrains, Institut Universitaire de France (IUF), Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.)-Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.)-Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés (LEHNA), Centre National de la Recherche Scientifique (CNRS)-Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE), Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, Centre National de la Recherche Scientifique (CNRS)-Institut de recherche pour le développement [IRD] : UMR237-Aix Marseille Université (AMU)-Avignon Université (AU), MINES ParisTech - École nationale supérieure des mines de Paris-PSL Research University (PSL), River Monitoring & Management - Suivi et gestion des rivières, Centre National de la Recherche Scientifique (CNRS)-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-École normale supérieure - Lyon (ENS Lyon)-Centre National de la Recherche Scientifique (CNRS)-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-École normale supérieure - Lyon (ENS Lyon), Roehampton University, Université de Tours-Centre National de la Recherche Scientifique (CNRS), Acceptables Avenirs Prologue, Centre National de la Recherche Scientifique (CNRS), École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), Marmonier, Pierre, Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), MINES ParisTech - École nationale supérieure des mines de Paris, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Centre National de la Recherche Scientifique (CNRS)-Université de Tours, Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Institut de Chimie du CNRS (INC)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Université Claude Bernard Lyon 1 (UCBL), and Centre National de la Recherche Scientifique (CNRS)-Université de Tours (UT)
Subjects: 0106 biological sciences, River sediment, surface-water, headwater streams, microbial processes, structure, community, new-zealand, nitrogen dynamics, seasonal dynamics, breakdown, leaf-litter, fatty-acid-composition, tubificid worms influence, river management, microbial communities, invertebrates, 010504 meteorology & atmospheric sciences, Biodiversité et Ecologie, Biodiversity, Climate change, Microbial communities, Aquatic Science, 01 natural sciences, Hyporheic zone, 14. Life underwater, Milieux et Changements globaux, Research question, 0105 earth and related environmental sciences, Trophic level, Ecological niche, River sediment – Invertebrates, River management, business.industry, Ecology, 010604 marine biology & hydrobiology, Environmental resource management, 15. Life on land, 6. Clean water, Current (stream), Habitat, Ecosystèmes, 13. Climate action, Environmental science, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, business
Abstract: [Departement_IRSTEA]Eaux [TR1_IRSTEA]BELCA [TR2_IRSTEA]QUASARE [TR2_IRSTEA]ARCEAU; International audience; Fifty years after the hyporheic zone was first defined (Orghidan, 1959), there are still gaps in the knowledge regarding the role of biodiversity in hyporheic processes. First, some methodological questions remained unanswered regarding the interactions between biodiversity and physical processes, both for the study of habitat characteristics and interactions at different scales. Furthermore, many questions remain to be addressed to help inform our understanding of invertebrate community dynamics, especially regarding the trophic niches of organisms, the functional groups present within sediment, and their temporal changes. Understanding microbial community dynamics would require investigations about their relationship with the physical characteristics of the sediment, their diversity, their relationship with metabolic pathways, their inter- actions with invertebrates, and their response to environmental stress. Another fundamental research question is that of the importance of the hyporheic zone in the global metabolism of the river, which must be explored in relation to organic matter recycling, the effects of disturbances, and the degradation of contaminants. Finally, the application of this knowledge requires the development of methods for the estimation of hydro- logical exchanges, especially for the management of sediment clogging, the optimization of self-purification, and the integration of climate change in environmental policies. The development of descriptors of hyporheic zone health and of new metrology is also crucial to include specific targets in water policies for the long-term management of the system and a clear evaluation of restoration strategies.
Published: 2012
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9. Litter diversity, fungal decomposers and litter decomposition under simulated stream intermittency

Author: Bruder, Andreas, Chauvet, Eric, Gessner, Mark O., Centre National de la Recherche Scientifique - CNRS (FRANCE), Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Technische Universität Berlin - TU Berlin (GERMANY), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Swiss Federal Institute of Aquatic Science and Technology - EAWAG (SWITZERLAND), Eidgenössische Technische Hochschule Zürich - ETHZ (SWITZERLAND), Laboratoire Ecologie fonctionnelle et Environnement - EcoLab (Toulouse, France), Swiss Federal Insitute of Aquatic Science and Technology [Dübendorf] (EAWAG), Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich), Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Technische Universität Berlin (TU), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), and Technical University of Berlin / Technische Universität Berlin (TU)
Subjects: [SDV.EE]Life Sciences [q-bio]/Ecology, environment, Ecologie, Environnement, Decomposition, Drought, Litter diversity, Biodiversité et Ecologie, Stream intermittency, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Biodiversity and ecosystem functioning, Aquatic hyphomycetes, Litter traits
Abstract: International audience; 1. The drying of stream channels resulting from flow interruption is expected to increase as a consequence of climate change. Implications for aquatic organisms and processes are profound. We assessed whether riparian diversity can partially buffer against consequences of drying on fungal decomposers and leaf litter decomposition, an important ecosystem process. 2. Our central hypothesis was that during dry periods recalcitrant leaf litter with high water- holding capacity would extend the window of opportunity for microbial activity in less recalci- trant litter when both litter types are mixed, and that this would lead to a positive litter diversity effect on decomposition. To test for such interactive effects, we conducted a diversity experiment in a Mediterranean stream, in which alder and oak litter, and a mixture of both, was subjected to various drying regimes differing in intensity and timing. 3. Drying regime affected both fungal decomposers and the decomposition rate of alder litter. Effects were observed both immediately and 3 weeks after stream flow resumed. Small differences in the timing of the dry period influenced both decomposition rate and measures of fungal performance (i.e. biomass and sporulation activity). Litter mixing, in contrast, had no effect on either decomposition or fungal decomposers, although mixing increased moisture retention in alder litter as required for the mechanism hypothesized to lead to a diversity effect. 4. Given the contrasting traits of the litter types used in the experiment, our results imply that riparian tree diversity is unlikely to buffer against increased frequencies of stream flow disruption expected in the face of climate change. It appears, however, that the precise timing of dry periods and high-flow events will strongly influence the extent to which stream food webs can exploit the resources supplied by riparian vegetation in the form of leaf litter.
Published: 2011
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10. Freezing and chemical preservatives alter the stable isotope values of carbon and nitrogen of the Asiatic clam (Corbicula fluminea)

Author: Régis Céréghino, Dorothée Kopp, Frédéric Santoul, Jari Syväranta, Aurélia Martino, Centre National de la Recherche Scientifique - CNRS (FRANCE), Institut Français de Recherche pour l'Exploitation de la MER - IFREMER (FRANCE), Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Laboratoire Ecologie fonctionnelle et Environnement - EcoLab (Toulouse, France), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), and Institut National Polytechnique de Toulouse - INPT (FRANCE)
Subjects: 0106 biological sciences, Stable isotope analysis, Biodiversité et Ecologie, chemistry.chemical_element, Aquatic Science, 01 natural sciences, Freezing, 14. Life underwater, Corbicula fluminea, Isotope analysis, [SDV.EE]Life Sciences [q-bio]/Ecology, environment, Ecologie, Environnement, biology, Ethanol, Ecology, Stable isotope ratio, 010604 marine biology & hydrobiology, 010401 analytical chemistry, biology.organism_classification, Nitrogen, Zoologie des invertébrés, Isotopes of nitrogen, Food web, Preservation, 0104 chemical sciences, [SDV.BA.ZI]Life Sciences [q-bio]/Animal biology/Invertebrate Zoology, Formalin, chemistry, 13. Climate action, Isotopes of carbon, Environmental chemistry, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Carbon
Abstract: We tested the impacts of most common sample preservation methods used for aquatic sample materials on the stable isotope ratios of carbon and nitrogen in clams, a typical baseline indicator organism for many aquatic food web studies utilising stable isotope analysis (SIA). In addition to common chemical preservatives ethanol and formalin, we also assessed the potential impacts of freezing on delta C-13 and delta N-15 values and compared the preserved samples against freshly dried and analysed samples. All preservation methods, including freezing, had significant impacts on delta C-13 and delta N-15 values and the effects in general were greater on the carbon isotope values (1.3-2.2aEuro degrees difference) than on the nitrogen isotope values (0.9-1.0aEuro degrees difference). However, the impacts produced by the preservation were rather consistent within each method during the whole 1 year experiment allowing these to be accounted for, if clams are intended for use in retrospective stable isotope studies.
Published: 2011
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11. From introduction to nuisance growth: a review of traits of alien aquatic plants which contribute to their invasiveness

Author: Julie A. Coetzee, Patrick Heidbüchel, Andreas Hussner, Elisabeth M. Gross, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Heinrich Heine Universität Düsseldorf = Heinrich Heine University [Düsseldorf], Rhodes University, Grahamstown, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut Ecologie et Environnement (INEE), and Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)
Subjects: [SDV.EE]Life Sciences [q-bio]/Ecology, environment, 0106 biological sciences, Abiotic component, Herbivore, Biotic component, Ecology, 010604 marine biology & hydrobiology, Ecology (disciplines), Alien, 15. Life on land, Aquatic Science, Biology, 010603 evolutionary biology, 01 natural sciences, Aquatic plant, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, Biological dispersal, Allelopathy
Abstract: International audience; Invasive alien aquatic plant species (IAAPs) cause serious ecological and economic impact and are a major driver of changes in aquatic plant communities. Their invasive success is influenced by both abiotic and biotic factors. Here, we summarize the existing knowledge on the biology of 21 IAAPs (four free-floating species, eight sediment-rooted, emerged or floating-leaved species, and nine sediment-rooted, submerged species) to highlight traits that are linked to their invasive success. We focus on those traits which were documented as closely linked to plant invasions, including dispersal and growth patterns, allelopathy and herbivore defence. The traits are generally specific to the different growth forms of IAAPs. In general, the species show effective dispersal and spread mechanisms, even though sexual and vegetative spread differs strongly between species. Moreover, IAAPs show varying strategies to cope with the environment. The presented overview of traits of IAAPs will help to identify potential invasive alien aquatic plants. Further, the information provided is of interest for developing species-specific management strategies and effective prevention measures.
Published: 2021
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12. High and rising economic costs of biological invasions worldwide

Author: Boris Leroy, Jean-Michel Salles, Franck Courchamp, Corey J. A. Bradshaw, Ivan Jarić, Christophe Diagne, David Roiz, Anne-Charlotte Vaissière, Rodolphe E. Gozlan, Ecologie Systématique et Evolution (ESE), AgroParisTech-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA), Institut des Sciences de l'Evolution de Montpellier (UMR ISEM), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Institut de recherche pour le développement [IRD] : UR226-Centre National de la Recherche Scientifique (CNRS), Maladies infectieuses et vecteurs : écologie, génétique, évolution et contrôle (MIVEGEC), Institut de Recherche pour le Développement (IRD [France-Sud])-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Centre d'Economie de l'Environnement - Montpellier - UMR 5211 (CEE-M), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Global Ecology, College of Science and Engineering, Flinders University, Flinders University [Adelaide, Australia], Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud]), Université Paris-Saclay, Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École Pratique des Hautes Études (EPHE), Centre d'Economie de l'Environnement - Montpellier (CEE-M), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro - Montpellier SupAgro, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU), École pratique des hautes études (EPHE), and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Centre National de la Recherche Scientifique (CNRS)-Institut de recherche pour le développement [IRD] : UR226
Subjects: 0106 biological sciences, Multidisciplinary, 010504 meteorology & atmospheric sciences, Natural resource economics, Biodiversity, 15. Life on land, [SHS.ECO]Humanities and Social Sciences/Economics and Finance, 010603 evolutionary biology, 01 natural sciences, [SHS]Humanities and Social Sciences, International policy, Economic cost, [SDE]Environmental Sciences, Business, Alien species, 0105 earth and related environmental sciences
Abstract: International audience; Biological invasions are responsible for substantial biodiversity declines as well as high economic losses to society and monetary expenditures associated with the management of these invasions1,2. The InvaCost database has enabled the generation of a reliable, comprehensive, standardized and easily updatable synthesis of the monetary costs of biological invasions worldwide3. Here we found that the total reported costs of invasions reached a minimum of US$1.288 trillion (2017 US dollars) over the past few decades (1970–2017), with an annual mean cost of US$26.8 billion. Moreover, we estimate that the annual mean cost could reach US$162.7 billion in 2017. These costs remain strongly underestimated and do not show any sign of slowing down, exhibiting a consistent threefold increase per decade. We show that the documented costs are widely distributed and have strong gaps at regional and taxonomic scales, with damage costs being an order of magnitude higher than management expenditures. Research approaches that document the costs of biological invasions need to be further improved. Nonetheless, our findings call for the implementation of consistent management actions and international policy agreements that aim to reduce the burden of invasive alien species.
Published: 2021
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13. Invasion Culturomics and iEcology

Author: Allan T. Souza, Robert J. Lennox, Franck Courchamp, Karel Douda, Petr Pyšek, Céline Bellard, Diogo Veríssimo, Uri Roll, Jonathan M. Jeschke, Raphaël Proulx, Ivan Jarić, Andrea Soriano-Redondo, Reut Vardi, Franz Essl, Ricardo A. Correia, Gregor Kalinkat, Lukáš Kalous, Ana Novoa, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Ecologie Systématique et Evolution (ESE), AgroParisTech-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), University of Helsinki, University of Vienna [Vienna], Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), and Université Paris-Saclay
Subjects: 0106 biological sciences, Conservation of Natural Resources, medicine.medical_specialty, Ecology, business.industry, 010604 marine biology & hydrobiology, MEDLINE, Biodiversity, Sequence Analysis, DNA, 010603 evolutionary biology, 01 natural sciences, Harm, Culturomics, [SDE]Environmental Sciences, Medicine, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, business, Intensive care medicine, Ecology, Evolution, Behavior and Systematics, ComputingMilieux_MISCELLANEOUS, Nature and Landscape Conservation
Abstract: International audience; Although invasive non-native species have been studied extensively, their monitoring and management are often inadequate (Pergl et al. 2020). Moreover, the great harm invasive non-native species cause tends to be
Published: 2021
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14. Carbon dioxide fluxes increase from day to night across European streams

Author: Katrin Attermeyer, Nina Pansch, Josephine Pegg, Liu Liu, Stefano Fenoglio, Tea Bašić, Brian C. Doyle, Jeremy Fonvielle, Sonia Herrero Ortega, Danny Sheath, Anna C. Nydahl, Ana Portela, Georg H. Niedrist, Joachim Audet, Anna Freixa, Nikolay Simov, Adam Bednařík, José L. J. Ledesma, Sophie Cauvy-Fraunié, Miriam Colls, Vesela Evtimova, Clara Romero González-Quijano, Catherine Gutmann Roberts, Laura Barral-Fraga, Elvira de Eyto, Jordi-René Mor, Magdalena Nagler, Clara Mendoza-Lera, Pascal Bodmer, Christian Noss, Alberto Doretto, Ada Pastor, David H. Fletcher, Francesca Pilotto, Peter Gilbert, Martin Rulík, Marcus Klaus, Georgina M. A. Busst, Anne Deininger, Núria Catalán, Joan Pere Casas-Ruiz, Thomas Fuss, Juliana Monteiro, Ferran Romero, Lyubomir Kenderov, Xisca Timoner, Repositório da Universidade de Lisboa, Uppsala University, WASSERCLUSTER BIOLOGICAL STATION LUNZ AUT, Partenaires IRSTEA, Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), University of Vienna [Vienna], Instituto Catalán de Investigación del Agua - ICRA (SPAIN) (ICRA), Departament de Física, Universitat de Girona (UdG), Girona, Spain, University of Innsbruck, Universitat de Girona [Girona], Universitat de Girona (UdG), Aarhus University [Aarhus], Riverly (Riverly), Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Bournemouth University [Poole] (BU), University of Geneva [Switzerland], Amedeo Avogadro University of Eastern Piedmont, ALPSTREAM Alpine Stream Res Ctr, Dundalk Institute of Technology (DkIT), Bulgarian Academy of Sciences (BAS), Centre for Environment, Fisheries and Aquaculture Science [Lowestoft] (CEFAS), Swedish University of Agricultural Sciences (SLU), Umeå University, Norwegian Institute for Water Research (NIVA), University of Turin, Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), United States Geological Survey (USGS), MARINE INSTITUTE FURNACE NEWPORT CO MAYO IRELAND GBR, University of Barcelona, University of Koblenz-Landau, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), Centre d'Estudis Avançats de Blanes (CEAB), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), Helmholtz-Gemeinschaft = Helmholtz Association, South African Institute for Aquatic Biodiversity (SAIAB), South African Institute for Aquatic Biodiversity, Palacky University Olomouc, Global Change Research Centre, Czech Academy of Sciences [Prague] (CAS), UHI Millennium Institute, Scottish Association for Marine Science (SAMS), University of Sofia, Universidade de Lisboa (ULISBOA), Université du Québec à Montréal = University of Québec in Montréal (UQAM), Spanish Government : FJC2018-037791-I, European Commission : FJCI-2017-33171, Portuguese Foundation for Science and Technology - European Commission : SFRH/BD/115030/2016, European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement : 839709, Portuguese Foundation for Science and Technology : SFRH/BD/131924/2017, DSI/NRF Research Chair in Inland Fisheries and Freshwater Ecology, French National Agency for Water and Aquatic Environments (ONEMA), Iberian Association of Limnology (AIL, Spain), Portugal), Deutsche Gesellschaft fur Limnologie e.V. (DGL, Germany), Swiss Society for Hydrology and Limnology (SGHL, Switzerland), Italian Association of Oceanography and Limnology (Italy), Freshwater Biological Association (FBA, United Kingdom), French Limnological Association (AFL, France), Austrian Limnological Society (SIL-Austria), Leibniz-Institute of Freshwater Ecology and Inland Fisheries, University of Vienna, Marine Institute's Cullen Ph.D. fellowship : CF/15/05, Joan Pere Casas-Ruiz, Ana Paula Portela, Francesca Pilotto, Joachim Audet, Ada Pastor, Clara Romero Gonzalez-Quijano, LAURA BARRAL-FRAGA, Juliana Monteiro, Adam Bednařík, Magdalena Nagler, ANNA FREIXA, Núria Catalán, José L. J. Ledesma, Georg H. Niedrist, Ferran Romero, Marcus Klaus, and Vesela Evtimova
Subjects: DYNAMICS, DIURNAL-VARIATION, Climate Research, 010504 meteorology & atmospheric sciences, PCO(2), Naturgeografi, Geography & travel, Fluvial, chemistry.chemical_element, STREAMS, Oceanografi, hydrologi och vattenresurser, 010501 environmental sciences, 01 natural sciences, Klimatforskning, chemistry.chemical_compound, Oceanography, Hydrology and Water Resources, Limnology, 1ST-ORDER STREAM, ddc:910, 0105 earth and related environmental sciences, General Environmental Science, [SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, EVASION, Carbon cycle, ECOSYSTEM METABOLISM, WATER-AIR, chemistry, Physical Geography, CO2 EMISSIONS, 13. Climate action, Environmental chemistry, Carbon dioxide, DISSOLVED ORGANIC-MATTER, General Earth and Planetary Sciences, Environmental science, Carbon dioxide flux, Carbon, GAS-EXCHANGE
Abstract: Globally, inland waters emit over 2 Pg of carbon per year as carbon dioxide, of which the majority originates from streams and rivers. Despite the global significance of fluvial carbon dioxide emissions, little is known about their diel dynamics. Here we present a large-scale assessment of day- and night-time carbon dioxide fluxes at the water-air interface across 34 European streams. We directly measured fluxes four times between October 2016 and July 2017 using drifting chambers. Median fluxes are 1.4 and 2.1mmolm(-2) h(-1) at midday and midnight, respectively, with night fluxes exceeding those during the day by 39%. We attribute diel carbon dioxide flux variability mainly to changes in the water partial pressure of carbon dioxide. However, no consistent drivers could be identified across sites. Our findings highlight widespread day-night changes in fluvial carbon dioxide fluxes and suggest that the time of day greatly influences measured carbon dioxide fluxes across European streams. Diel patterns can greatly impact total stream carbon dioxide emissions, with 39% greater carbon dioxide flux during the night-time relative to the day-time, according to a study of 34 streams across Europe.
Published: 2021
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15. Societal attention toward extinction threats: a comparison between climate change and biological invasions

Author: Yves Meinard, Ricardo A. Correia, David L. Roberts, Franck Courchamp, Ivan Jarić, Gregor Kalinkat, Céline Bellard, Ecologie Systématique et Evolution (ESE), AgroParisTech-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Laboratoire d'analyse et modélisation de systèmes pour l'aide à la décision (LAMSADE), Université Paris Dauphine-PSL, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), University of Oxford [Oxford], University of Helsinki, Department of Geosciences and Geography, Helsinki Institute of Sustainability Science (HELSUS), and Helsinki Lab of Interdisciplinary Conservation Science
Subjects: 0106 biological sciences, PERCEPTIONS, 010504 meteorology & atmospheric sciences, Endangered species, lcsh:Medicine, QH75, Introduced species, Public opinion, 01 natural sciences, Public interest, lcsh:Science, RISK, Multidisciplinary, PUBLIC-INTEREST, Conservation biology, Climate-change ecology, SCIENCE, Biodiversity, Public attention, INSIGHTS, Geography, [SDE]Environmental Sciences, IMPACTS, Conservation of Natural Resources, Climate Change, CONSERVATION, Climate change, Extinction, Biological, 010603 evolutionary biology, Article, SEARCH DATA, Animals, Environmental planning, 1172 Environmental sciences, 0105 earth and related environmental sciences, Extinction, Invasive species, business.industry, lcsh:R, Endangered Species, 15. Life on land, TRENDS, [SDE.ES]Environmental Sciences/Environmental and Society, 13. Climate action, Public Opinion, Threatened species, lcsh:Q, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Introduced Species, business
Abstract: Public attention and interest in the fate of endangered species is a crucial prerequisite for effective conservation programs. Societal awareness and values will largely determine whether conservation initiatives receive necessary support and lead to adequate policy change. Using text data mining, we assessed general public attention in France, Germany and the United Kingdom toward climate change and biological invasions in relation to endangered amphibian, reptile, bird and mammal species. Our analysis revealed that public attention patterns differed among species groups and countries but was globally higher for climate change than for biological invasions. Both threats received better recognition in threatened than in non-threatened species, as well as in native species than in species from other countries and regions. We conclude that more efficient communication regarding the threat from biological invasions should be developed, and that conservation practitioners should take advantage of the existing attention toward climate change.
Published: 2020
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16. ERGO: Breaking Down the Wall between Human Health and Environmental Testing of Endocrine Disrupters

Author: Marieke Reuver, Lisa Baumann, Gerrit Schüürmann, Martin Hansen, Dries Knapen, Frédéric Flamant, Marc Léonard, Taisen Iguchi, Klára Hilscherová, Werner Kloas, Volker Strauss, Peter Matthiessen, Henrik Holbech, Juergen Arning, Laurent Sachs, Department of Biology, University of Southern Denmark (SDU), Old School House, Centre for Environmental Research, AquaTT, Partenaires INRAE, Inflammasome NLRP3 – NLRP3 Inflammasome, Centre International de Recherche en Infectiologie - UMR (CIRI), École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Physiologie moléculaire et adaptation (PhyMA), Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS), Department of Endocrinology, Humboldt-Universität zu Berlin, Research Centre for Toxic Compounds in the Environment [Brno] (RECETOX / MUNI), Faculty of Science [Brno] (SCI / MUNI), Masaryk University [Brno] (MUNI)-Masaryk University [Brno] (MUNI), L'Oréal Research, L'OREAL, Okazaki Institute for Integrative Bioscience, National Institute for Basic Biology, National Institutes of Natural Sciences, Matthiessen Consultancy, Aarhus University [Aarhus], Department Community Ecology [UFZ Leipzig], Helmholtz Zentrum für Umweltforschung = Helmholtz Centre for Environmental Research (UFZ), Technishe Universität Bergakademie Freiberg (TU Bergakademie Freiberg), University of Antwerp (UA), Institut de Génomique Fonctionnelle de Lyon (IGFL), École normale supérieure de Lyon (ENS de Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Masaryk University [Brno] (MUNI), L'Oréal Recherche France (L'Oréal Recherche), German Federal Environmental Agency / Umweltbundesamt (UBA), BASF SE, Yokohama City University (YCU), and Heidelberg University
Subjects: 0301 basic medicine, Integrated approach to testing and assessment, Cross species extrapolation, Endocrine Disruptors, integrated approach to testing and assessment, 010501 environmental sciences, 01 natural sciences, test guideline, Workflow, lcsh:Chemistry, Human health, Adverse Outcome Pathway, Animal testing, [SDV.BDD]Life Sciences [q-bio]/Development Biology, lcsh:QH301-705.5, ComputingMilieux_MISCELLANEOUS, Spectroscopy, thyroid hormone disruption, General Medicine, endocrine disruption, Computer Science Applications, adverse outcome pathway, Chemistry, OECD, %22">Fish , Biological Assay, Health Impact Assessment, Thyroid hormone disruption, cross-species extrapolation, Environmental Monitoring, Project Report, Endocrine disruption, In silico, Endocrine System, Computational biology, Biology, Risk Assessment, Catalysis, Inorganic Chemistry, Economic cooperation, 03 medical and health sciences, Adverse outcome pathway, Species Specificity, Data Warehousing, Animals, Humans, Endocrine system, Physical and Theoretical Chemistry, Molecular Biology, AOP, 0105 earth and related environmental sciences, Test guideline, Organic Chemistry, Health Plan Implementation, biomarkers, 030104 developmental biology, lcsh:Biology (General), lcsh:QD1-999, IATA
Abstract: International audience; ERGO (EndocRine Guideline Optimization) is the acronym of a European Union-funded research and innovation action, that aims to break down the wall between mammalian and non-mammalian vertebrate regulatory testing of endocrine disruptors (EDs), by identifying, developing and aligning thyroid-related biomarkers and endpoints (B/E) for the linkage of effects between vertebrate classes. To achieve this, an adverse outcome pathway (AOP) network covering various modes of thyroid hormone disruption (THD) in multiple vertebrate classes will be developed. The AOP development will be based on existing and new data from in vitro and in vivo experiments with fish, amphibians and mammals, using a battery of different THDs. This will provide the scientifically plausible and evidence-based foundation for the selection of B/E and assays in lower vertebrates, predictive of human health outcomes. These assays will be prioritized for validation at OECD (Organization for Economic Cooperation and Development) level. ERGO will re-think ED testing strategies from in silico methods to in vivo testing and develop, optimize and validate existing in vivo and early life-stage OECD guidelines, as well as new in vitro protocols for THD. This strategy will reduce requirements for animal testing by preventing duplication of testing in mammals and non-mammalian vertebrates and increase the screening capacity to enable more chemicals to be tested for ED properties.
Published: 2020
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17. On the move: New insights on the ecology and management of native and alien macrophytes

Author: Elisabeth M. Gross, Julie A. Coetzee, Paul D. Champion, Deborah Hofstra, Mary de Winton, Michael D. Netherland, Jason A. Ferrell, Jonas Schoelynck, John D. Madsen, Fleur E. Matheson, Tobias O. Bickel, Elisabeth S. Bakker, Sabine Hilt, Aquatic Ecology (AqE), National Institute of Water and Atmospheric Research [Auckland] (NIWA), Ecosystem management research group - ECOBE (Wilrijk, Belgium), University of Antwerp (UA), University of Florida [Gainesville] (UF), Rhodes University, Grahamstown, Department of Agriculture and Fisheries, United States Department of Agriculture (USDA), Netherlands Institute of Ecology (NIOO-KNAW), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, US Army Engineer Research and Development Center, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut Ecologie et Environnement (INEE), and Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)
Subjects: 0106 biological sciences, Alien invasive aquatic plants, Ecology (disciplines), Biodiversity, Applied and fundamental ecology, Plant Science, Alien, Aquatic Science, 010603 evolutionary biology, 01 natural sciences, Freshwater ecosystem, Aquatic plant, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, 14. Life underwater, Biology, [SDV.EE]Life Sciences [q-bio]/Ecology, environment, Ecosystem health, Ecology, 010604 marine biology & hydrobiology, Aquatic ecosystem, Restoration of macrophyte habitats, Plan_S-Compliant_NO, 15. Life on land, 6. Clean water, Bio-indicator value, Macrophyte, Geography, 13. Climate action, international, Alien invasive aquatic plantsApplied and fundamental ecologyBiodiversityBio-indicator valueRestoration of macrophyte habitats
Abstract: International audience; Globally, freshwater ecosystems are under threat. The main threats come from catchment land-use changes, altered water regimes, eutrophication, invasive species, climate change and combinations of these factors. We need scientific research to respond to these challenges by providing solutions to halt the deterioration and improve the condition of our valuable freshwaters. This requires a good understanding of aquatic ecosystems, and the nature and scale of changes occurring. Macrophytes play a fundamental role in aquatic systems. They are sensitive indicators of ecosystem health, as they are affected by run-off from agricultural, industrial or urban areas. On the other hand, alien macrophytes are increasingly invading aquatic systems all over the world. Improving our knowledge on the ecology and management of both native and alien plants is indispensable to address threats to freshwaters in order to protect and restore aquatic habitats. The International Aquatic Plants Group (IAPG) brings together scientists and practitioners based at universities, research and environmental organisations around the world. The main themes of the 15th symposium 2018 in New Zealand were biodiversity and conservation, management, invasive species, and ecosystem response and restoration. This Virtual Special Issue provides a comprehensive review from the symposium, addressing the ecology of native macrophytes, including those of conservation concern, and highly invasive alien macrophytes, and the implications of management interventions. In this editorial paper, we highlight insights and paradigms on the ecology and management of native and alien macrophytes gathered during the meeting.
Published: 2020
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18. Do's and don'ts when inferring assembly rules from diversity patterns

Author: Laura J. Pollock, Marta Carboni, Laure Gallien, Ceres Barros, Karel Mokany, Florent Mazel, Matthew V. Talluto, Loïc Chalmandrier, Tamara Münkemüller, Jan Smyčka, Cristina Roquet, Wilfried Thuiller, Laboratoire d'Ecologie Alpine (LECA ), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), University of Wyoming (UW), Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich), University of British Columbia (UBC), Data61 [Canberra] (CSIRO), Australian National University (ANU)-Commonwealth Scientific and Industrial Research Organisation [Canberra] (CSIRO), Charles University [Prague] (CU), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Münkemüller, Tamara, Gallien, Laure, Pollock, Laura J., Barros, Cere, Carboni, Marta, Chalmandrier, Loïc, Mazel, Florent, Mokany, Karel, Roquet, Cristina, Smyčka, Jan, Talluto, Matthew V., and Thuiller, Wilfried
Subjects: 0106 biological sciences, Assembly rules, Biology, 010603 evolutionary biology, 01 natural sciences, Overdispersion, Cluster analysis, Divergence (statistics), Ecology, Evolution, Behavior and Systematics, Global and Planetary Change, convergence, Ecology, trait diversity, Community processes, simulation model, 010604 marine biology & hydrobiology, overdispersion, 15. Life on land, Phylogenetic diversity, 13. Climate action, Evolutionary biology, phylogenetic diversity, Convergence (relationship), [SDE.BE]Environmental Sciences/Biodiversity and Ecology, divergence, Diversity (business), clustering
Abstract: International audience; Aim: More than ever, ecologists seek to understand how species are distributed and have assembled into communities using the “filtering framework”. This framework is based on the hypothesis that local assemblages result from a series of abiotic and biotic filters applied to regional species pools and that these filters leave predictable signals in observed diversity patterns. In theory, statistical comparisons of expected and observed patterns enable data‐driven tests of assembly processes. However, so far this framework has fallen short in delivering generalizable conclusions, challenging whether (and how) diversity patterns can be used to characterize and understand underlying assembly processes better.Methods: By synthesizing the previously raised critiques and suggested solutions in a comprehensive way, we identify 10 pitfalls that can lead to flawed interpretations of α‐diversity patterns, summarize solutions developed to circumvent these pitfalls and provide general guidelines.Results: We find that most issues arise from an overly simplistic view of potential processes that influence diversity patterns, which is often motivated by practical constraints on study design, focal scale and methodology. We outline solutions for each pitfall, such as methods spanning over spatial, environmental or phylogenetic scales, and suggest guidelines for best scientific practices in community ecology. Among key future challenges are the integration of mechanistic modelling and multi‐trophic interactions.Main conclusions: Our conclusion is that the filtering framework still holds promise, but only if researchers successfully navigate major pitfalls, foster the integration of mechanistic modelling and multi‐trophic interactions and directly account for uncertainty in their conclusions.
Published: 2020
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19. Global Climate [in 'State of the Climate in 2019']

Author: Dunn, Robert J. H., Stanitski, Diane M., Gobron, Nadine, Willett, Kate M., Ades, M., Adler, R., Allan, R. P., Anderson, J., Argüez, Anthony, Arosio, C., Augustine, J. A., Azorin-Molina, C., Barichivich, J., Barnes, J., Beck, H. E., Becker, Andreas, Bellouin, Nicolas, Benedetti, Angela, Berry, David I., Blenkinsop, Stephen, Bock, Olivier, Bosilovich, Michael G., Boucher, Olivier, Buehler, S. A., Carrea, Laura, Christiansen, Hanne H., Chouza, F., Christy, John R., Chung, E.-S., Coldewey-Egbers, Melanie, Compo, Gil P., Cooper, Owen R., Covey, Curt, Crotwell, A., Davis, Sean M., Eyto, Elvira De, de Jeu, Richard A. M., Degasperi, Curtis L., Degenstein, Doug, Di Girolamo, Larry, Dokulil, Martin T., Donat, Markus G., Dorigo, Wouter A., Durre, Imke, Dutton, Geoff S., Duveiller, G., Elkins, James W., Fioletov, Vitali E., Flemming, Johannes, Foster, Michael J., Frey, Richard A., Frith, Stacey M., Froidevaux, Lucien, Garforth, J., Gupta, S. K., Haimberger, Leopold, Hall, Brad D., Harris, Ian, Heidinger, Andrew K., Hemming, D. L., Ho, Shu-Peng (ben), Hubert, Daan, Hurst, Dale F., Hüser, I., Inness, Antje, Isaksen, K., John, Viju, Jones, Philip D., Kaiser, J. W., Kelly, S., Khaykin, Sergey, Kidd, R., Kim, Hyungiun, Kipling, Z., Kraemer, B. M., Kratz, D. P., Fuente, R. S. La, Lan, Xin, Lantz, Kathleen O., Leblanc, Thierry, Li, Bailing, Loeb, Norman G., Long, Craig S., Loyola, Diego, Marszelewski, Wlodzimierz, Martens, B., May, Linda, Mayer, Michael, Mccabe, M. F., Mcvicar, Tim R., Mears, Carl A., Menzel, W. Paul, Merchant, Christopher J., Miller, Ben R., Miralles, Diego G., Montzka, Stephen A., Morice, Colin, Mühle, Jens, Myneni, R., Nicolas, Julien P., Noetzli, Jeannette, Osborn, Tim J., Park, T., Pasik, A., Paterson, Andrew M., Pelto, Mauri S., Perkins-Kirkpatrick, S., Petron, G., Phillips, C., Pinty, Bernard, Po-Chedley, S., Polvani, L., Preimesberger, W., Pulkkanen, M., Randel, W. J., Remy, Samuel, Ricciardulli, L., Richardson, A. D., Rieger, L., Robinson, David A., Rodell, Matthew, Rosenlof, Karen H., Roth, Chris, Rozanov, A., Rusak, James A., Rusanovskaya, O., Rutishäuser, T., Sánchez-Lugo, Ahira, Sawaengphokhai, P., Scanlon, T., Schenzinger, Verena, Schladow, S. Geoffey, Schlegel, R. W, Schmid, Martin, Selkirk, H. B., Sharma, S., Shi, Lei, Shimaraeva, S. V., Silow, E. A., Simmons, Adrian J., Smith, C. A., Smith, Sharon L, Soden, B. J., Sofieva, Viktoria, Sparks, T. H., Jr., Paul W. Stackhouse, Steinbrecht, Wolfgang, Streletskiy, Dimitri A., Taha, G., Telg, Hagen, Thackeray, S. J., Timofeyev, M. A., Tourpali, Kleareti, Tye, Mari R., A, Ronald J. van Der, van Der Schalie, Robin, van Der Schrier, Gerard, van Der Werf, Guido R., Verburg, Piet, Vernier, Jean-Paul, Vömel, Holger, Vose, Russell S., Wang, Ray, Watanabe, Shohei G., Weber, Mark, Weyhenmeyer, Gesa A., Wiese, David, Wilber, Anne C., Wild, Jeanette D., Wong, Takmeng, Woolway, R. Iestyn, Yin, Xungang, Zhao, Lin, Zhao, Guanguo, Zhou, Xinjia, Ziemke, Jerry R., Ziese, Markus, Met Office Hadley Centre for Climate Change (MOHC), United Kingdom Met Office [Exeter], NOAA Earth System Research Laboratory (ESRL), National Oceanic and Atmospheric Administration (NOAA), European Commission - Joint Research Centre [Ispra] (JRC), European Centre for Medium-Range Weather Forecasts (ECMWF), University of Maryland [College Park], University of Maryland System, University of Reading (UOR), Department of Atmospheric and Planetary Sciences [Hampton] (APS), Hampton University, NOAA National Environmental Satellite, Data, and Information Service (NESDIS), Universität Bremen, Centro de Investigaciones sobre Desertificacion (CIDE), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), Pontificia Universidad Católica de Valparaíso (PUCV), Department of Civil and Environmental Engineering [Princeton], Princeton University, Deutscher Wetterdienst [Offenbach] (DWD), Department of Meteorology [Reading], National Oceanography Centre [Southampton] (NOC), University of Southampton, Newcastle University [Newcastle], Institut de Physique du Globe de Paris (IPGP), Institut national des sciences de l'Univers (INSU - CNRS)-IPG PARIS-Université de La Réunion (UR)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), École nationale des sciences géographiques (ENSG), Institut National de l'Information Géographique et Forestière [IGN] (IGN)-Université Gustave Eiffel, Global Modeling and Assimilation Office (GMAO), NASA Goddard Space Flight Center (GSFC), Sorbonne Université (SU), Universität Hamburg (UHH), The University Centre in Svalbard (UNIS), Jet Propulsion Laboratory (JPL), California Institute of Technology (CALTECH)-NASA, University of Alabama in Huntsville (UAH), IBS Center for Climate Physics, Pusan National University, Deutsches Zentrum für Luft- und Raumfahrt [Oberpfaffenhofen-Wessling] (DLR), Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado [Boulder]-National Oceanic and Atmospheric Administration (NOAA), Lawrence Livermore National Laboratory (LLNL), Marine Institute [Ireland], VanderSat B.V., King County Water and Land Resources Division, Institute of Space and Atmospheric Studies [Saskatoon] (ISAS), Department of Physics and Engineering Physics [Saskatoon], University of Saskatchewan [Saskatoon] (U of S)-University of Saskatchewan [Saskatoon] (U of S), University of Illinois at Urbana-Champaign [Urbana], University of Illinois System, University of Innsbruck, Barcelona Supercomputing Center - Centro Nacional de Supercomputacion (BSC - CNS), Department of Geodesy and Geoinformation [Wien], Vienna University of Technology (TU Wien), Environment and Climate Change Canada, Cooperative Institute for Meteorological Satellite Studies (CIMSS), National Oceanic and Atmospheric Administration (NOAA)-University of Wisconsin-Madison-NASA, Science Systems and Applications, Inc. [Lanham] (SSAI), Woodland Trust, Science Systems and Applications, Inc. [Hampton] (SSAI), Department of Meteorology and Geophysics [Vienna], Universität Wien, School of Environmental Sciences [Norwich], University of East Anglia [Norwich] (UEA), Belgian Institute for Space Aeronomy / Institut d'Aéronomie Spatiale de Belgique (BIRA-IASB), ESRL Global Monitoring Laboratory [Boulder] (GML), National Oceanic and Atmospheric Administration (NOAA)-National Oceanic and Atmospheric Administration (NOAA), Norwegian Meteorological Institute [Oslo] (MET), European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT), Dundalk Institute of Technology (DkIT), TROPO - LATMOS, Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), Sorbonne Université (SU)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS), Earth Observation Data Centre GmbH (EODC), Institute of Industrial Science (IIS), The University of Tokyo (UTokyo), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, NASA Langley Research Center [Hampton] (LaRC), GSFC Hydrological Sciences Laboratory, Earth Science System Interdisciplinary Center [College Park] (ESSIC), College of Computer, Mathematical, and Natural Sciences [College Park], University of Maryland System-University of Maryland System-University of Maryland [College Park], University of Maryland System-University of Maryland System, NOAA National Weather Service (NWS), DLR Institut für Methodik der Fernerkundung / DLR Remote Sensing Technology Institute (IMF), Department of Hydrology and Water Resources Management, Nicolaus Copernicus University [Toruń], Hydro-Climate Extremes Laboratory (H-CEL), Universiteit Gent = Ghent University [Belgium] (UGENT), Centre for Ecology and Hydrology [Edinburgh] (CEH), Natural Environment Research Council (NERC), King Abdullah University of Science and Technology (KAUST), CSIRO Land and Water, Commonwealth Scientific and Industrial Research Organisation [Canberra] (CSIRO), Remote Sensing Systems [Santa Rosa] (RSS), Space Science and Engineering Center [Madison] (SSEC), University of Wisconsin-Madison, NERC National Centre for Earth Observation (NCEO), Scripps Institution of Oceanography (SIO), University of California [San Diego] (UC San Diego), University of California-University of California, Department of Environmental, Earth and Ocean Sciences [Boston] (EEOS), University of Massachusetts [Boston] (UMass Boston), University of Massachusetts System (UMASS)-University of Massachusetts System (UMASS), Swiss Federal Institute for Forest, Snow and Landscape Research WSL, NASA Ames Research Center (ARC), Dorset Environmental Science Centre, Ontario Ministry of the Environment and Climate Change, Nichols College Dudley, University of New South Wales [Sydney] (UNSW), Department of Atmospheric and Oceanic Sciences [Madison], Columbia University [New York], Finnish Meteorological Institute (FMI), National Center for Atmospheric Research [Boulder] (NCAR), Institut Pierre-Simon-Laplace (IPSL (FR_636)), École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), School of Informatics, Computing, and Cyber Systems (SICCS), Northern Arizona University [Flagstaff], Center for Ecosystem Science and Society (ECOSS), University of Saskatchewan [Saskatoon] (U of S), Department of Geography [Piscataway], Rutgers, The State University of New Jersey [New Brunswick] (RU), Rutgers University System (Rutgers)-Rutgers University System (Rutgers), Irkutsk State University (ISU), Institute of Geography [Bern], University of Bern, UC Davis Tahoe Environmental Research Center, University of California [Davis] (UC Davis), Department of Physical Oceanography [Woods Hole], Woods Hole Oceanographic Institution (WHOI), Swiss Federal Insitute of Aquatic Science and Technology [Dübendorf] (EAWAG), York University [Toronto], Geological Survey of Canada [Ottawa] (GSC Central & Northern Canada), Geological Survey of Canada - Office (GSC), Natural Resources Canada (NRCan)-Natural Resources Canada (NRCan), Rosenstiel School of Marine and Atmospheric Science (RSMAS), University of Miami [Coral Gables], Poznan University of Life Sciences (Uniwersytet Przyrodniczy w Poznaniu) (PULS), Meteorologisches Observatorium Hohenpeißenberg (MOHp), Department of Geography [Washington], The George Washington University (GW), Goddard Earth Sciences and Technology and Research (GESTAR), Universities Space Research Association (USRA)-NASA, Centre for Ecology and Hydrology [Lancaster] (CEH), Laboratory of Atmospheric Physics [Thessaloniki], Aristotle University of Thessaloniki, Capacity Center for Climate and Weather Extremes (C3WE), Royal Netherlands Meteorological Institute (KNMI), Vrije Universiteit Amsterdam [Amsterdam] (VU), National Institute of Water and Atmosphere [Hamilton] (NIWA), Earth Observing Laboratory [Boulder] (EOL), National Center for Atmospheric Research [Boulder] (NCAR)-University Corporation for Atmospheric Research (UCAR), School of Earth and Atmospheric Sciences [Atlanta], Georgia Institute of Technology [Atlanta], Nanjing University of Information Science and Technology (NUIST), Institut de Physique du Globe de Paris (IPGP (UMR_7154)), Institut national des sciences de l'Univers (INSU - CNRS)-Université de La Réunion (UR)-Institut de Physique du Globe de Paris (IPG Paris)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), NASA-California Institute of Technology (CALTECH), Leopold Franzens Universität Innsbruck - University of Innsbruck, University of Wisconsin-Madison-NASA-National Oceanic and Atmospheric Administration (NOAA), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Universiteit Gent = Ghent University (UGENT), Scripps Institution of Oceanography (SIO - UC San Diego), University of California (UC)-University of California (UC), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), and NASA-Universities Space Research Association (USRA)
Subjects: [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology
Abstract: International audience; Global Climate is one chapter from the State of the Climate in 2019 annual report and is avail- able from https://doi.org/10.1175/BAMS-D-20-0104.1 Compiled by NOAA’s National Centers for Environmental Information, State of the Climate in 2019 is based on contributions from scien- tists from around the world. It provides a detailed update on global climate indicators, notable weather events, and other data collected by environmental monitoring stations and instru- ments located on land, water, ice, and in space.The full report is available from https://doi.org/10.1175/2020BAMSStateoftheClimate.1.
Published: 2020
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20. Global CO2 emissions from dry inland waters share common drivers across ecosystems

Author: C. Feijoó, Jong-Gil Park, Nusret Karakaya, Jason Condon, Sarian Kosten, Rafael Marcé, Giovanna Flaim, Annika Linkhorst, Lluís Gómez-Gener, Hans-Peter Grossart, M. Melita, Catherine Leigh, M. M. Sánchez-Montoya, Philipp S. Keller, D. von Schiller, Sophie Cauvy-Fraunié, E. S. Oliveira Junior, Tenna Riis, Qian Zhang, Gabriela Onandia, Marieke A. Frassl, Clara Mendoza-Lera, André Megali Amado, Fábio Roland, Claumir Cezar Muniz, María Isabel Arce, Thibault Datry, Ada Pastor, Ralf Aben, Alo Laas, Julia Howitt, Ulrike Obertegger, Arturo Elosegi, C. M. Finlayson, Raquel Mendonça, Matthias Koschorreck, José R. Paranaíba, Biel Obrador, Florian Reverey, Núria Catalán, Rosa Gómez, Eva-Ingrid Rõõm, Nathan Barros, R. del Campo, H. Wang, CATALAN INSTITUTE FOR WATER RESEARCH GIRONA ESP, Partenaires IRSTEA, Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Universidad del Pais Vasco / Euskal Herriko Unibertsitatea [Espagne] (UPV/EHU), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, DEPARTMENT OF EVOLUTIONARY BIOLOGY ECOLOGY AND ENVIRONMENTAL SCIENCES FACULTY OF BIOLOGY UNIVERSITY OF BARCELONA ESP, Laboratoire de Nanophysique Magnétisme et Optoélectronique (LNMO), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), FONDAZIONE EDMUND MACH SAN MICHELE ALL ADIGE ITA, Instituto de Investigación en Paleobiología y Geología [Río Negro] (IIPG), Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] (CONICET)-Universidad Nacional de Río Negro (UNRN), DEPARTMENT OF ECOLOGY AND HYDROLOGY FACULTY OF BIOLOGY UNIVERSITY OF MURCIA ESP, Laboratoire d'Ecologie des Hydrosystèmes Fluviaux (EHF), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), Department of Physics [Toronto], University of Toronto, China Jiliang University (CJLU), RADBOUD UNIVERSITY NIJMEGEN NLD, Honda Research Institute, University of the Basque Country, IHE Delft, Institute for Water Education, Milieux aquatiques, écologie et pollutions (UR MALY), Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Laboratoire de cristallographie et sciences des matériaux (CRISMAT), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS), Helmholtz Zentrum für Umweltforschung = Helmholtz Centre for Environmental Research (UFZ), Instituto Catalán de Investigación del Agua - ICRA (SPAIN) (ICRA), Universitat de Girona (UdG), University of Barcelona, University of Potsdam = Universität Potsdam, Australian Rivers Institute, Griffith University [Brisbane], Abant Izzet Baysal University - Bolu Abant İzzet Baysal Üniversitesi, Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT), Universidade Federal de Juiz de Fora (UFJF), Charles Sturt University [Australia], RiverLy - Fonctionnement des hydrosystèmes (RiverLy), Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Aarhus University [Aarhus], Fondazione Edmund Mach - Edmund Mach Foundation [Italie] (FEM), Radboud University [Nijmegen], Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), Leibniz-Zentrum für Agrarlandschaftsforschung = Leibniz Centre for Agricultural Landscape Research (ZALF), Uppsala University, Leopold Franzens Universität Innsbruck - University of Innsbruck, Universidad de Murcia, Universidade Federal do Rio Grande do Norte [Natal] (UFRN), Utah State University (USU), Estonian University of Life Sciences (EMU), EWHA Womans University (EWHA), Universidad Nacional de Luján [Buenos Aires], University of the Basque Country/Euskal Herriko Unibertsitatea (UPV/EHU), Institute for Water Education (IHE Delft ), CNR Water Research Institute (IRSA), National Research Council of Italy | Consiglio Nazionale delle Ricerche (CNR), Universidade Federal de Mato Grosso (UFMT), Umeå University, Queensland University of Technology [Brisbane] (QUT), Royal Melbourne Institute of Technology University (RMIT University), Normandie Université (NU)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche sur les Matériaux Avancés (IRMA), Normandie Université (NU)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Institut national des sciences appliquées Rouen Normandie (INSA Rouen Normandie), Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Rouen Normandie (UNIROUEN), Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS), Nanjing Institute of Geography and Limnology (Niglas), Chinese Academy of Sciences [Beijing] (CAS), GLEON (Global Lake Ecological Observatory Network)-German Research Foundation (DFG) : KO1911 / 6-1, GR1540 / 23-1-Spanish Ministry of Science, Innovation and Universities : CGL2017-86788-C3-3-P, CGL2017-86788-C3-2-P-Spanish Government European Commission : CGL2016-77487-R-Basque Government : IT951-16-BBVA Foundation : 06417-European Research Council (ERC) European Commission :336642-National Council for Scientific and Technological Development (CNPq) : 310033/2017-9-Carlsberg Foundation : CF16-0325-Netherlands Organization for Scientific Research (NWO) : 86312012-Ministry of Education and Research, Estonia : IUT 21-02-Estonian Research Council : PUT PSG32, PUT1598-National Research Foundation of Korea : 2017R1D1A1B06035179-Federal Ministry of Education & Research (BMBF) : 2WCL1337A-Deutscher Akademischer Austausch Dienst (DAAD) : 57218695-Fundacion Seneca : 20645/JLI/18-Beatriu de Pinos grant : 201600215-Ramon Areces Foundation postgraduate studies programme -University of Murcia : FPU R-269/2014 001-French Agency for Biodiversity - Spanish Agencia Estatal de Investigacion (AEI) -European Commission : FEDER-MCIU-AEI/CGL2017-86788-C3-European Cooperation in Science and Technology (COST) : CA15113, BAİBÜ, Mühendislik Fakültesi, Çevre Mühendisliği Bölümü, Karakaya, Nusret, Universitat de Girona [Girona], Department of Environmental Engineering, Abant Izzet Baysal University, Gölköy Campus, 14280 Bolu, Turkey, Riverly (Riverly), Radboud university [Nijmegen], Inst Landscape Biogeochem, Leibniz Ctr Agr Landscape Res, Muncheberg, Germany, Partenaires INRAE, ESTONIAN UNIVERSITY OF LIFE SCIENCES INSTITUTE OF AGRICULTURAL AND ENVIRONMENTAL SCIENCES RUNNU EST, Consiglio Nazionale delle Ricerche (CNR), University of Mato Grosso State, INSTITUTE FOR FUTURE ENVIRONMENTS AND SCHOOL OF MATHEMATICAL SCIENCES QUEENSLAND UNIVERSITY OF TECHNOLOGY BRISBANE AUS, École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-Université de Caen Normandie (UNICAEN), and Normandie Université (NU)-Institut de Chimie du CNRS (INC)
Subjects: Drawdown, General Physics and Astronomy, Wetland, hydrology, 02 engineering and technology, 01 natural sciences, Klimatforskning, chemistry.chemical_compound, Environmental protection, Seas, Responses, Canvi climàtic, lcsh:Science, ComputingMilieux_MISCELLANEOUS, Multidisciplinary, geography.geographical_feature_category, Respiration, Carbon cycle, 021001 nanoscience & nanotechnology, Miljövetenskap, Dry sediments, Mar, Fluxes, Carbon dioxide, [SDE]Environmental Sciences, 0210 nano-technology, Climate Research, Science, 010402 general chemistry, CO2 emissions, General Biochemistry, Genetics and Molecular Biology, Article, Carbon-dioxide emissions, Atmosphere, Hydrology (agriculture), Rivers, Settore BIO/07 - ECOLOGIA, Ecosystem, geography, Aquatic Ecology, Global change, Exchange, General Chemistry, 0104 chemical sciences, Climatic change, CO2 fluxes, Lakes, chemistry, 13. Climate action, Reservoirs, Greenhouse gas, Ecological Microbiology, Environmental science, lcsh:Q, Ch4 emissions, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Diòxid de carboni, Environmental Sciences, Greenhouse-gas emissions
Abstract: Many inland waters exhibit complete or partial desiccation, or have vanished due to global change, exposing sediments to the atmosphere. Yet, data on carbon dioxide (CO2) emissions from these sediments are too scarce to upscale emissions for global estimates or to understand their fundamental drivers. Here, we present the results of a global survey covering 196 dry inland waters across diverse ecosystem types and climate zones. We show that their CO2 emissions share fundamental drivers and constitute a substantial fraction of the carbon cycled by inland waters. CO2 emissions were consistent across ecosystem types and climate zones, with local characteristics explaining much of the variability. Accounting for such emissions increases global estimates of carbon emissions from inland waters by 6% (~0.12 Pg C y−1). Our results indicate that emissions from dry inland waters represent a significant and likely increasing component of the inland waters carbon cycle., Many inland waters seasonally or permanently dry up, thus exposing sediments to the atmosphere. Here the authors show that a substantial amount of CO2 is emitted from these dry sediments, increasing current inland water carbon flux estimates by 6%.
Published: 2020
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21. Troubling travellers: are ecologically harmful alien species associated with particular introduction pathways?

Author: Wolfgang Nentwig, David B. Roy, Alain Roques, Piero Genovesi, Franz Essl, Jonathan E. Jeschke, Irena Perglová, Marten Winter, Helen E. Roy, Montserrat Vilà, Ingolf Kühn, Marc Kenis, Sven Bacher, Petr Pyšek, Colin A. Harrower, Wolfgang Rabitsch, Philip E. Hulme, Jan Pergl, Institute of Botany, Department of Invasion Ecology, Czech Academy of Sciences [Prague] (ASCR), Department of Ecology, Faculty of Science, Charles University, Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Department of Biology, Northern Arizona University [Flagstaff], Division of Conservation, Vegetation and Landscape Ecology, University of Vienna, Institute for Environmental Protection and Research (ISPRA), SSC Invasive Species Specialist Group, International Union for the Conservation of Nature and Natural Resources (IUCN), IUCN SSC Invasive Species Specialist Group, Centre for Ecology and Hydrology, The Bio-Protection Research Centre, Lincoln University, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Department of Biology, Chemistry and Pharmacy, Free University of Berlin (FU), Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), Centre for Agricultural and Biosciences International (CABI), Department of Community Ecology, Helmholtz Zentrum für Umweltforschung (UFZ), Institute of Biology/Geobotany and Botanical Garden, Martin-Luther-Universität Halle Wittenberg (MLU), Martin Luther Univ Halle Wittenberg, Inst Biol Geobot & Bot Garden, Kirchtor 1, D-06108 Halle, Germany, German Centre for Integrative Biodiversity Research, Department of Biodiversity and Nature Conservation, Environment Agency Austria, Unité de recherche Zoologie Forestière (UZF), Institut National de la Recherche Agronomique (INRA), Estación Biológica de Doñana (EBD-CSIC), Estación Biológica de Doñana (EBD), Consejo Superior de Investigaciones Científicas, Institute of Ecology and Evolution, Russian Academy of Sciences [Moscow] (RAS), Czech Academy of Sciences [Prague] (CAS), Charles University [Prague] (CU), University of Vienna [Vienna], Helmholtz Zentrum für Umweltforschung = Helmholtz Centre for Environmental Research (UFZ), Unité de recherche Zoologie Forestière (URZF), and Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)
Subjects: 0106 biological sciences, ecological impact, pathways, Introduced species, Plant Science, 580 Plants (Botany), 01 natural sciences, Invasive species, poisson, invertébré, Milieux et Changements globaux, Alien species, lcsh:QH301-705.5, Mammals, Ecology, biology, plants, Ecological Modeling, mammifère, gestion des invasions biologiques, Plants, Ecological impact, Europe, plante, Freshwater fish, 590 Animals (Zoology), invasion biologique, europe, [SDE.MCG]Environmental Sciences/Global Changes, Alien, Aquatic Science, 010603 evolutionary biology, Ecology and Environment, ddc:570, DAISIE, fish, introductions, invertebrates, mammals, 14. Life underwater, Ecology, Evolution, Behavior and Systematics, Invertebrate, impact écologique, 010604 marine biology & hydrobiology, Propagule pressure, Botany, 15. Life on land, biology.organism_classification, Invertebrates, Fish, Taxon, voie d'introduction, lcsh:Biology (General), Introductions, 13. Climate action, Insect Science, 570 Life sciences, introduction d'insecte, Animal Science and Zoology, Zoology, Pathway
Abstract: Prioritization of introduction pathways is seen as an important component of the management of biological invasions. We address whether established alien plants, mammals, freshwater fish and terrestrial invertebrates with known ecological impacts are associated with particular introduction pathways (release, escape, contaminant, stowaway, corridor and unaided). We used the information from the European alien species database DAISIE (www.europe-aliens.org) supplemented by the EASIN catalogue (European Alien Species Information Network), and expert knowledge. Plants introduced by the pathways release, corridor and unaided were disproportionately more likely to have ecological impacts than those introduced as contaminants. In contrast, impacts were not associated with particular introduction pathways for invertebrates, mammals or fish. Thus, while for plants management strategies should be targeted towards the appropriate pathways, for animals, management should focus on reducing the total number of taxa introduced, targeting those pathways responsible for high numbers of introductions. However, regardless of taxonomic group, having multiple introduction pathways increases the likelihood of the species having an ecological impact. This may simply reflect that species introduced by multiple pathways have high propagule pressure and so have a high probability of establishment. Clearly, patterns of invasion are determined by many interacting factors and management strategies should reflect this complexity
Published: 2017
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22. Changes in food characteristics reveal indirect effects of lake browning on zooplankton performance

Author: Stella A. Berger, Erik Sperfeld, Mark O. Gessner, Jens C. Nejstgaard, Laetitia Minguez, Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Zoological Institute and Museum, Universität Greifswald - University of Greifswald, Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Technische Universität Berlin (TU), Berger, Stella A., 1 Department of Experimental Limnology Leibniz‐Institute of Freshwater Ecology and Inland Fisheries (IGB) Stechlin Germany, Nejstgaard, Jens C., and Gessner, Mark O.
Subjects: 0106 biological sciences, 551.9, 010504 meteorology & atmospheric sciences, Ecology, 010604 marine biology & hydrobiology, Aquatic ecosystem, Seston, Enclosure, dissolved organic matter, Aquatic Science, Plankton, Biology, Oceanography, 01 natural sciences, Zooplankton, Colored dissolved organic matter, Lake Stechlin, 13. Climate action, Abundance (ecology), [SDE]Environmental Sciences, Browning, ddc:577, 14. Life underwater, 0105 earth and related environmental sciences
Abstract: Browning caused by colored dissolved organic matter is predicted to have large effects on aquatic ecosystems. However, there is limited experimental evidence about direct and indirect effects of browning on zooplankton in complex field settings. We used a combination of an ecosystem‐scale enclosure experiment and laboratory incubations to test how prolonged browning affects physiological and life‐history traits of the water flea Daphnia longispina, a key species in lake food webs, and whether any such effects are reversible. Daphnids and water were collected from enclosures in a deep clear‐water lake, where the natural plankton community had been exposed for 10 weeks to browning or to control conditions in clear water. Daphnid abundance was much lower in the brown than in the clear enclosure. Surprisingly, however, daphnids continuously kept in brown enclosure water in the laboratory showed increased metabolic performance and survival, and also produced more offspring than daphnids kept in clear enclosure water. This outcome was related to more and higher‐quality seston in brown compared to clear water. Moreover, daphnids transferred from clear to brown water or vice versa adjusted their nucleic acid and protein contents, as indicators of physiological state, to similar levels as individuals previously exposed to the respective recipient environment, indicating immediate and reversible browning effects on metabolic performance. These results demonstrate the importance of conducting experiments in settings that capture both indirect effects (i.e., emerging from species interactions in communities) and direct effects on individuals for assessing impacts of browning and other environmental changes on lakes., German Federal Ministry of Education and Research, German Research Foundation http://dx.doi.org/10.13039/501100001659, IGB's Frontiers in Freshwater Science program
Published: 2019
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23. An aerobic eukaryotic parasite with functional mitochondria that likely lacks a mitochondrial genome

Author: Felix Christopher Mark, Betina M. Porcel, Uwe John, Jan Janouškovec, Yameng Lu, Stephan Frickenhaus, Laure Guillou, Marco Groth, Klaus-Ulrich Valentin, Marius Felder, Ahmed A. Moustafa, Sylke Wohlrab, Sarah Farhat, Gurjeet S. Kohli, Ulf Bickmeyer, Patrick J. Keeling, Gernot Glöckner, Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung (AWI), Leibniz Institute on Aging - Fritz Lipmann Institute (FLI), Leibniz Association, British Columbia, Diversité et Interactions au sein du Plancton Océanique (DIPO), Adaptation et diversité en milieu marin (ADMM), Institut national des sciences de l'Univers (INSU - CNRS)-Station biologique de Roscoff (SBR), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Station biologique de Roscoff (SBR), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Department of Biology and Biotechnology Graduate Program, American University in Cairo, American University in Cairo, Génomique métabolique (UMR 8030), Genoscope - Centre national de séquençage [Evry] (GENOSCOPE), Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université d'Évry-Val-d'Essonne (UEVE)-Centre National de la Recherche Scientifique (CNRS), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Adaptation et diversité en milieu marin (AD2M), Station biologique de Roscoff (SBR), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Station biologique de Roscoff (SBR), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS)-Université d'Évry-Val-d'Essonne (UEVE), and Singapore Centre for Environmental Life Sciences and Engineering
Subjects: Mitochondrial DNA, DNA, Complementary, [SDV]Life Sciences [q-bio], Mitochondrion, Aerobic Eukaryotic Parasit, Genome, Evolution, Molecular, Engineering::Environmental engineering [DRNTU], 03 medical and health sciences, 0302 clinical medicine, Phylogenetics, Cluster Analysis, Genomic library, Plastid, Gene, Phylogeny, Research Articles, Mitochondrial Genome, ComputingMilieux_MISCELLANEOUS, Gene Library, 030304 developmental biology, Cell Nucleus, Genetics, Likelihood Functions, Evolutionary Biology, 0303 health sciences, Microscopy, Confocal, Multidisciplinary, Ecology, biology, fungi, SciAdv r-articles, Sequence Analysis, DNA, biology.organism_classification, Aerobiosis, Mitochondria, Genome, Mitochondrial, [SDE]Environmental Sciences, Dinoflagellida, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, 030217 neurology & neurosurgery, Research Article, Syndiniales
Abstract: The parasitic marine dinoflagellate Amoebophrya is the first known eukaryote with aerobic mitochondria without a genome., Dinoflagellates are microbial eukaryotes that have exceptionally large nuclear genomes; however, their organelle genomes are small and fragmented and contain fewer genes than those of other eukaryotes. The genus Amoebophrya (Syndiniales) comprises endoparasites with high genetic diversity that can infect other dinoflagellates, such as those forming harmful algal blooms (e.g., Alexandrium). We sequenced the genome (~100 Mb) of Amoebophrya ceratii to investigate the early evolution of genomic characters in dinoflagellates. The A. ceratii genome encodes almost all essential biosynthetic pathways for self-sustaining cellular metabolism, suggesting a limited dependency on its host. Although dinoflagellates are thought to have descended from a photosynthetic ancestor, A. ceratii appears to have completely lost its plastid and nearly all genes of plastid origin. Functional mitochondria persist in all life stages of A. ceratii, but we found no evidence for the presence of a mitochondrial genome. Instead, all mitochondrial proteins appear to be lost or encoded in the A. ceratii nucleus.
Published: 2019
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24. Litter Quality Modulates Effects of Dissolved Nitrogen on Leaf Decomposition by Stream Microbial Communities

Author: Antoine Lecerf, Sylvain Lamothe, Eric Chauvet, Mark O. Gessner, Jérémy Jabiol, Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Technische Universität Berlin (TU), Centre National de la Recherche Scientifique - CNRS (FRANCE), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Technische Universität Berlin - TU Berlin (GERMANY), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Leibniz-Institute of Freshwater Ecology and Inland Fisheries - IGB (GERMANY), Université de Lorraine (FRANCE), Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Technical University of Berlin / Technische Universität Berlin (TU), and Institut National Polytechnique de Toulouse - INPT (FRANCE)
Subjects: 0301 basic medicine, Nitrogen, Nutrient enrichment, 030106 microbiology, Soil Science, chemistry.chemical_element, Biology, Michaelis–Menten–Monod kinetics, Litter lignin, Litter traits, 03 medical and health sciences, chemistry.chemical_compound, Nutrient, Rivers, Litter breakdown, Lignin, Ecology, Evolution, Behavior and Systematics, Ecologie, Environnement, [SDV.EE]Life Sciences [q-bio]/Ecology, environment, Ecology, Phosphorus, Microbiota, fungi, Fungi, food and beverages, Interspecific competition, 15. Life on land, Plant litter, Decomposition, Plant Leaves, 030104 developmental biology, chemistry, Freshwater fungi, Environmental chemistry, Litter
Abstract: International audience; Rates of leaf litter decomposition in streams are strongly influenced both by inorganic nutrients dissolved in stream water and by litter traits such as lignin, nitrogen (N) and phosphorus (P) concentrations. As a result, decomposition rates of different leaf species can show contrasting responses to stream nutrient enrichment resulting from human activities. It is unclear, however, whether the root cause of such discrepancies in field observations is the interspecific variation in either litter nutrient or litter lignin concentrations. To address this question, we conducted a controlled laboratory experiment with a known fungal community to determine decomposition rates of 38 leaf species exhibiting contrasting litter traits (N, P and lignin concentrations), which were exposed to 8 levels of dissolved N concentrations representative of field conditions across European streams (0.07 to 8.96 mg N L−1). The effect of N enrichment on decomposition rate was modelled using Monod kinetics to quantify N effects across litter species. Lignin concentration was the most important litter trait determining decomposition rates and their response to N enrichment. In particular, increasing dissolved N supply from 0.1 to 3.0 mg N L−1 accelerated the decomposition of lignin-poor litter (e.g. 15% of lignin, 1.4× increase ± 0.2 SD, n = 9). Litter nutrient concentrations were less important, with a slight positive effect of P on decomposition rates and no effect of litter N. These results indicate that shifts in riparian vegetation towards species characterized by high litter lignin concentrations could alleviate the stimulation of C turnover by stream nutrient enrichment
Published: 2019
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25. Science Advances

Author: Tiegs, Scott D., Costello, David M., Isken, Mark W., Woodward, Guy, McIntyre, Peter B., Gessner, Mark O., Chauvet, Eric, Griffiths, Natalie A., Flecker, Alex S., Acuña, Vicenç, Albariño, Ricardo, Allen, Daniel C., Alonso, Cecilia, Andino, Patricio, Arango, Clay, Aroviita, Jukka, Barbosa, Marcus V. M., Barmuta, Leon A., Baxter, Colden V., Bell, Thomas D. C., Bellinger, Brent, Boyero, Luz, Brown, Lee E., Bruder, Andreas, Bruesewitz, Denise A., Burdon, Francis J., Callisto, Marcos, Canhoto, Cristina, Capps, Krista A., Castillo, María M., Clapcott, Joanne, Colas, Fanny, Colón-Gaud, Checo, Cornut, Julien, Crespo-Pérez, Verónica, Cross, Wyatt F., Culp, Joseph M., Danger, Michael, Dangles, Olivier, de Eyto, Elvira, Derry, Alison M., Villanueva, Veronica Díaz, Douglas, Michael M., Elosegi, Arturo, Encalada, Andrea C., Entrekin, Sally, Espinosa, Rodrigo, Ethaiya, Diana, Ferreira, Verónica, Ferriol, Carmen, Flanagan, Kyla M., Fleituch, Tadeusz, Follstad Shah, Jennifer J., Frainer, André, Friberg, Nikolai, Frost, Paul C., Garcia, Erica A., García Lago, Liliana, García Soto, Pavel Ernesto, Ghate, Sudeep, Giling, Darren P., Gilmer, Alan, Gonçalves, José Francisco, Gonzales, Rosario Karina, Graça, Manuel A. S., Grace, Mike, Grossart, Hans-Peter, Guérold, François, Gulis, Vlad, Hepp, Luiz U., Higgins, Scott, Hishi, Takuo, Huddart, Joseph, Hudson, John, Imberger, Samantha, Iñiguez-Armijos, Carlos, Iwata, Tomoya, Janetski, David J., Jennings, Eleanor, Kirkwood, Andrea E., Koning, Aaron A., Kosten, Sarian, Kuehn, Kevin A., Laudon, Hjalmar, Leavitt, Peter R., Lemes da Silva, Aurea L., Leroux, Shawn J., LeRoy, Carri J., Lisi, Peter J., MacKenzie, Richard, Marcarelli, Amy M., Masese, Frank O., McKie, Brendan G., Oliveira Medeiros, Adriana, Meissner, Kristian, Miliša, Marko, Mishra, Shailendra, Miyake, Yo, Moerke, Ashley, Mombrikotb, Shorok, Mooney, Rob, Moulton, Tim, Muotka, Timo, Negishi, Junjiro N., Neres-Lima, Vinicius, Nieminen, Mika L., Nimptsch, Jorge, Ondruch, Jakub, Paavola, Riku, Pardo, Isabel, Patrick, Christopher J., Peeters, Edwin T. H. M., Pozo, Jesus, Pringle, Catherine, Prussian, Aaron, Quenta, Estefania, Quesada, Antonio, Reid, Brian, Richardson, John S., Rigosi, Anna, Rincón, José, Rîşnoveanu, Geta, Robinson, Christopher T., Rodríguez-Gallego, Lorena, Royer, Todd V., Rusak, James A., Santamans, Anna C., Selmeczy, Géza B., Simiyu, Gelas, Skuja, Agnija, Smykla, Jerzy, Sridhar, Kandikere R., Sponseller, Ryan, Stoler, Aaron, Swan, Christopher M., Szlag, David, Teixeira-de Mello, Franco, Tonkin, Jonathan D., Uusheimo, Sari, Veach, Allison M., Vilbaste, Sirje, Vought, Lena B. M., Wang, Chiao-Ping, Webster, Jackson R., Wilson, Paul B., Woelfl, Stefan, Xenopoulos, Marguerite A., Yates, Adam G., Yoshimura, Chihiro, Yule, Catherine M., Zhang, Yixin X., Zwart, Jacob A., School of Biological and Chemical Sciences, Queen Mary University of London (QMUL), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, ICRA, Catalan Institute for Water Research, ICRA, Pontificia Universidad Catolica del Ecuador, Wetland ecology department (Seville, Espagne), Doñana biological station - CSIC (SPAIN), Swiss Federal Institute of Aquatic Science and Technology - EAWAG (SWITZERLAND), Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences – Uppsala, Sweden, Burdon, Universidade Federal de Minas Gerais [Belo Horizonte] (UFMG), Marine and environmental research centre - IMAR-CMA (Coimbra, Portugal), University of Coimbra [Portugal] (UC), GRET, Sécurité et Qualité des Produits d'Origine Végétale (SQPOV), Institut National de la Recherche Agronomique (INRA)-Avignon Université (AU), Laboratorio de Limnología [Bariloche], Instituto Nacional de Investigaciones en Biodiversidad y Medioambiente [Bariloche] (INIBIOMA-CONICET), Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] (CONICET)-Universidad Nacional del Comahue [Neuquén] (UNCOMA)-Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] (CONICET)-Universidad Nacional del Comahue [Neuquén] (UNCOMA), Faculty of Science and Technology, University of the Basque Country, Polska Akademia Nauk (PAN), Norwegian Institute for Water Research (NIVA), Limnology of Stratified Lakes, IGB-Neuglobsow, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Faculty of Agriculture, Kyushu University, University of Bath [Bath], Yamanashi University, Department of Forest Ecology and Management, Swedish University of Agricultural Sciences (SLU), University of Vienna [Vienna], University of Zagreb, VTT Information technology, Technical Research Centre of Finland, Instituto de Ciencias Marinas y Limnológicas, Universidate de Vigo, Hospital Universitario La Paz, Department of Biology, Universidad Autonoma de Madrid (UAM), Universidad del Zulia (LUZ), Department of River Ecology and Conservation, Senckenberg Research Institute and Natural History Museum Frankfurt, Gelnhausen, Germany, University of Southampton, Research Institute of New-Type Urbanization, Avignon Université (AU)-Institut National de la Recherche Agronomique (INRA), Centre National de la Recherche Scientifique - CNRS (FRANCE), Institut National Polytechnique de Toulouse - INPT (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Oakland University (USA), Kent State University, Imperial College London, Cornell University, Department of Ecology and Evolutionary Biology, Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Climate Change Science Institute [Oak Ridge] (CCSI), Oak Ridge National Laboratory [Oak Ridge] (ORNL), UT-Battelle, LLC-UT-Battelle, LLC, Instituto Catalán de Investigación del Agua - ICRA (SPAIN) (ICRA), Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] (CONICET)-Universidad Nacional del Comahue [Neuquén] (UNCOMA), DEPARTMENT OF BIOLOGY UNIVERSITY OF OKLAHOMA NORMAN USA, Partenaires IRSTEA, Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), University of the Republic of Uruguay, Central Washington University, Finnish Environment Institute (SYKE), Federal University of Tocantins, University of Tasmania [Hobart, Australia] (UTAS), Idaho State University, Watershed Protection Department, Estación Biológica de Doñana (EBD), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)-Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), School of Geography, University of Leeds, Leeds, UK, Swiss Federal Insitute of Aquatic Science and Technology [Dübendorf] (EAWAG), Colby College, Department of Aquatic Sciences and Assessment, University of Georgia [USA], EI Colegio de la Frontera Sur (ECOSUR), Consejo Nacional de Ciencia y Tecnología [Mexico] (CONACYT), Cawthron Institute, Risques, Ecosystèmes, Vulnérabilité, Environnement, Résilience (RECOVER), Aix Marseille Université (AMU)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Georgia Southern University, University System of Georgia (USG), Pontifical Catholic University of Ecuador, Montana State University (MSU), Wilfrid Laurier University (WLU), Centre d’Ecologie Fonctionnelle et Evolutive (CEFE), Université Paul-Valéry - Montpellier 3 (UPVM)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud])-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Polska Akademia Nauk = Polish Academy of Sciences (PAN), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Universidade de Vigo, Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Department of Ecology and Evolutionary Biology [CALS], College of Agriculture and Life Sciences [Cornell University] (CALS), Cornell University [New York]-Cornell University [New York], Laboratoire Ecologie Fonctionnelle et Environnement (LEFE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), Pontificia Universidad Católica del Ecuador, Universidade Federal do Tocantins (UFT), University of Leeds, Université Paul-Valéry - Montpellier 3 (UPVM)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-École Pratique des Hautes Études (EPHE), Universidad Autónoma de Madrid (UAM), and Entomology
Subjects: Aquatic Ecology and Water Quality Management, riparian zones, ORGANIC-MATTER DECOMPOSITION, Biodiversité et Ecologie, Oceanografi, hydrologi och vattenresurser, Carbon Cycle, CARBON, ekosysteemit, Oceanography, Hydrology and Water Resources, biomes, biomit, ddc:570, carbon cycle, Humans, STREAMS, Life Science, Human Activities, Riparian zones, TEMPERATURE, Institut für Biochemie und Biologie, Ecosystem, ComputingMilieux_MISCELLANEOUS, SDG 15 - Life on Land, aquatic ecosystems, Science & Technology, WIMEK, hiilen kierto, vesiekosysteemit, Aquatic Ecology, Aquatische Ecologie en Waterkwaliteitsbeheer, rivers, Multidisciplinary Sciences, ekosysteemit (ekologia), Biomonitoring, articles, Science & Technology - Other Topics, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, ecosystems, joet, Environmental Monitoring
Abstract: River ecosystems receive and process vast quantities of terrestrial organic carbon, the fate of which depends strongly on microbial activity. Variation in and controls of processing rates, however, are poorly characterized at the global scale. In response, we used a peer-sourced research network and a highly standardized carbon processing assay to conduct a global-scale field experiment in greater than 1000 river and riparian sites. We found that Earth’s biomes have distinct carbon processing signatures. Slow processing is evident across latitudes, whereas rapid rates are restricted to lower latitudes. Both the mean rate and variability decline with latitude, suggesting temperature constraints toward the poles and greater roles for other environmental drivers (e.g., nutrient loading) toward the equator. These results and data set the stage for unprecedented “next-generation biomonitoring” by establishing baselines to help quantify environmental impacts to the functioning of ecosystems at a global scale. This research was supported by awards to S.D.T. from the Ecuadorian Ministry of Science [Secretaría de Educación Superior Ciencia, Tecnología e Innovación (SENESCYT)] through the PROMETEO scholar exchange program, the Oakland University Research Development Grant program, and a Huron Mountain Wildlife Foundation research grant. N.A.G. was supported by the U.S. Department of Energy’s Office of Science, Biological and Environmental Research. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725. We are grateful for open-access-publishing funds from Kresge Library at Oakland University and Queen’s University Belfast. This research was supported by awards to S.D.T. from the Ecuadorian Ministry of Science [Secretaría de Educación Superior Ciencia, Tecnología e Innovación (SENESCYT)] through the PROMETEO scholar exchange program, the Oakland University Research Development Grant program, and a Huron Mountain Wildlife Foundation research grant. N.A.G. was supported by the U.S. Department of Energy’s Office of Science, Biological and Environmental Research. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725. We are grateful for open-access-publishing funds from Kresge Library at Oakland University and Queen’s University Belfast.
Published: 2019
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26. Sediment Respiration Pulses in Intermittent Rivers and Ephemeral Streams

Author: Robert J. Rolls, Chelsea J. Little, Simone Guareschi, Annamaria Zoppini, R. Vander Vorste, Eduardo J. Martín, Arnaud Foulquier, Núria Cid, Kate S. Boersma, Michael T. Bogan, Björn Gücker, Cleo Woelfle-Erskine, Amina Taleb, V. D. Diaz-Villanueva, Manuela Morais, J. Marshall, Arturo Elosegi, Vladimir Pešić, Lluís Gómez-Gener, S. Kubheka, Marko Miliša, Clara Mendoza-Lera, Florian Altermatt, Rachel Stubbington, Iola G. Boëchat, Ryan M. Burrows, Arnaud Dehedin, Damien Banas, Iñaki Odriozola, Núria Bonada, Roland Corti, Marcos Moleón, R. Gómez, Ricardo J. Albariño, Erin E. Beller, Alex Laini, Pablo Rodríguez-Lozano, Andreas Bruder, Melanie L. Blanchette, Felicitas Hoppeler, Shai Arnon, B. de Freitas Terra, A. Papatheodoulou, Nathan J. Waltham, Christophe Piscart, Rafael Marcé, Catherine M. Febria, A. Uzan, Peter M. Negus, Dev K. Niyogi, Dominik Zak, Sophie Cauvy-Fraunié, Ana Savić, Catherine Leigh, R. Figueroa, Sarig Gafny, Alisha L. Steward, Emile Faye, Elisabeth I. Meyer, Petr Pařil, Daniel C. Allen, Klement Tockner, D. von Schiller, Mark O. Gessner, K. Brintrup, Jason L. Hwan, Fiona Dyer, C. P. Duerdoth, Gonzalo García-Baquero, Michael Danger, Isabel Pardo, Musa C. Mlambo, R. del Campo, Tommaso Cancellario, Brian Four, A. M. De Girolamo, Thibault Datry, Oleksandra Shumilova, María Isabel Arce, M. M. Sánchez-Montoya, Marek Polášek, Nick Bond, Juan F. Blanco-Libreros, Simone D. Langhans, Stephanie M. Carlson, Andy Banegas-Medina, Manuel A. S. Graça, Joanna Blessing, Biel Obrador, Stefan Lorenz, Christiane Zarfl, Angus R. McIntosh, European Commission, Milieux aquatiques, écologie et pollutions (UR MALY), Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Department of Plant Biology and Ecology, University of the Basque Country, Department of Advanced Materials, Cranfield University, Laboratoire d'Ecologie des Hydrosystèmes Fluviaux (EHF), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Purdue University [West Lafayette], Centro de investigaciones biológicas, Spanish National Research Council (CSIC), Ecosystèmes, biodiversité, évolution [Rennes] (ECOBIO), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Electronique Quantique, Université des Sciences et de la Technologie Houari Boumediene [Alger] (USTHB)-Faculté de Physique, 748625, Horizon 2020 Framework Programme, 603629, European Commission, CGL2017‐86788‐C3‐3‐P, Ministerio de Economía y Competitividad, PP00P3_179089, Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, IT‐951‐16, Eusko Jaurlaritza, CA15113, European Cooperation in Science and Technology, Universidad del Pais Vasco / Euskal Herriko Unibertsitatea [Espagne] (UPV/EHU), Universitat de Barcelona (UB), RiverLy (UR Riverly), Laboratoire d'Ecologie Alpine (LECA ), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Austrian Science Fund (FWF), Instituto Catalán de Investigación del Agua - ICRA (SPAIN) (ICRA), Laboratory of Molecular Structure Characterization [Prague] (MBU / CAS), Institute of Microbiology of the Czech Academy of Sciences (MBU / CAS), Czech Academy of Sciences [Prague] (CAS)-Czech Academy of Sciences [Prague] (CAS), University of Barcelona, Technische Universität Berlin (TU), Nottingham Trent University, Instituto Nacional de Investigaciones en Biodiversidad y Medioambiente [Bariloche] (INIBIOMA-CONICET), Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] (CONICET)-Universidad Nacional del Comahue [Neuquén] (UNCOMA), University of Oklahoma (OU), Universität Zürich [Zürich] = University of Zurich (UZH), Swiss Federal Insitute of Aquatic Science and Technology [Dübendorf] (EAWAG), The Jacob Blaustein Institutes for Desert Research (BIDR), Ben-Gurion University of the Negev (BGU), Unité de Recherches Animal et Fonctionnalités des Produits Animaux (URAFPA), Institut National de la Recherche Agronomique (INRA)-Université de Lorraine (UL), Universidad de Concepción - University of Concepcion [Chile], Department of Geography [Berkeley], University of California [Berkeley], University of California-University of California, Edith Cowan University (ECU), Commonwealth Scientific and Industrial Research Organisation [Canberra] (CSIRO)-Planning and Transport Research Centre (PATREC), Universidad de Antioquia = University of Antioquia [Medellín, Colombia], Queensland Government, Universidade Federal de São João del-Rei (UFSJ), University of San Diego, University of Arizona, La Trobe University, Scuola universitaria professionale della Svizzera italiana [Manno] (SUPSI), Australian Rivers Institute, Griffith University [Brisbane], Universidad de Navarra [Pamplona] (UNAV), Department of Environmental Science, Policy, and Management [Berkeley] (ESPM), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Universidade Estadual Vale do Acarau, Asconit Consultants, National Research Council, Water Research Institute, Universidad de Murcia, Queen Mary University of London (QMUL), University of Canberra, Fonctionnement agroécologique et performances des systèmes de cultures horticoles (UPR HORTSYS), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad), School of biological Sciences [Christchurch], University of Canterbury [Christchurch], University of Windsor [Ca], Département Ecologie des Forêts, Prairies et milieux Aquatiques (DEPT EFPA), Institut National de la Recherche Agronomique (INRA), Ruppin Academic Center, Department of Ecology and Environmental Science [Umeå], Umeå University, Marine and Environmental Sciences Centre (MARE UC), Universidade de Coimbra [Coimbra], Loughborough University, Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Goethe-Universität Frankfurt am Main-Senckenberg – Leibniz Institution for Biodiversity and Earth System Research - Senckenberg Gesellschaft für Naturforschung, Leibniz Association-Leibniz Association, Ezemvelo KZN Wildlife, University of Parma = Università degli studi di Parma [Parme, Italie], University of Otago [Dunedin, Nouvelle-Zélande], Basque Centre for Climate Change (BC3), Queensland University of Technology [Brisbane] (QUT), Julius Kühn-Institut (JKI), Institute for Evolution and Biodiversity (IEB), Westfälische Wilhelms-Universität Münster (WWU), University of Zagreb, Rhodes University, Grahamstown, Universidad de Granada (UGR), Universidade de Évora, Missouri University of Science and Technology (Missouri S&T), University of Missouri System, Terra Cypria - Cyprus Conservation Foundation, Universidade de Vigo, Masaryk University [Brno] (MUNI), University of Montenegro (UCG), Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES), School of Environmental and Rural Science, University of New England (UNE), University of Niš, Freie Universität Berlin, University of Trento [Trento], Université Aboubekr Belkaid - University of Belkaïd Abou Bekr [Tlemcen], Israel Nature and Parks Authority, Partenaires INRAE, Centre for TropicalWater and Aquatic Ecosystem Research (TropWATER), School of Earth and Environmental Sciences [Australia], James Cook University (JCU)-James Cook University (JCU), University of Washington [Seattle], Universität Rostock, Aarhus University [Aarhus], Center for Applied Geoscience [Tübingen] (ZAG), Eberhard Karls Universität Tübingen = Eberhard Karls University of Tuebingen, Short-Term Scientific Mission of the COST Action : CA15113, European Cooperation in Science and Technology (COST), European Commission : 603629 , 748625, Grant for Research Groups of the Basque University System - Basque Government : IT-951-16, Spanish Ministry of Science, Innovation and Universities through project CHYDROCHANGE : CGL2017-86788C3-2-P , CGL2017-86788-C3-3-P, Swiss National Science Foundation (SNSF) - European Commission : PP00P3_150698, PP00P3_179089, EU project LIFE+ TRivers : LIFE13 ENV/ES/000341, INTER-COST project : LTC17017, CONICYT/FONDAT/15130015, European Project: 748625,H2020-MSCA-IF-2016,SABER CULTURAL, European Project: 0934954(2009), Institute of Microbiology of the Czech Academy of Sciences [Prague, Czech Republic] (MBU / CAS), Technical University of Berlin / Technische Universität Berlin (TU), Université de Lorraine (UL)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), University of California [Berkeley] (UC Berkeley), University of California (UC)-University of California (UC), University of San Diego (USD), Scuola universitaria professionale della Svizzera italiana = University of Applied Sciences and Arts of Southern Switzerland [Manno] (SUPSI), Università degli studi di Parma = University of Parma (UNIPR), Westfälische Wilhelms-Universität Münster = University of Münster (WWU), Universidad de Granada = University of Granada (UGR), Université de Rennes (UR)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR), and Université de Rennes (UR)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Carbon sequestration, 0106 biological sciences, Atmospheric Science, 010504 meteorology & atmospheric sciences, [SDE.MCG]Environmental Sciences/Global Changes, river, CO, 2, intermittent, respiration, stream, temporary, STREAMS, Atmospheric sciences, 01 natural sciences, River sediments, chemistry.chemical_compound, Rivers, Respiration, Environmental Chemistry, Ecosystem, Captura i emmagatzematge de diòxid de carboni, ComputingMilieux_MISCELLANEOUS, Cursos d'aigua, 0105 earth and related environmental sciences, General Environmental Science, Riparian zone, Global and Planetary Change, geography, geography.geographical_feature_category, 010604 marine biology & hydrobiology, Sediments fluvials, fungi, River, Stream, Intermittent, Temporary, CO2, CO2 emissions, C cycling, stream respiration, Sediment, Vegetation, 15. Life on land, 6. Clean water, chemistry, 13. Climate action, CO 2, [SDE]Environmental Sciences, Carbon dioxide, Plant cover, Environmental science
Abstract: The dataset (Data File S1; DOI: 10.6084/m9.figshare.8863721) and the R code used to generate the results (Code S1; DOI: 10.6084/m9.figshare.8863655), including step by step explanations of the statistical tests, have been deposited in Figshare Digital Repository (https://figshare.com/projects/Sediment_Respiration_Pulses_in_Intermittent_Rivers_and_Ephemeral_Streams/66104)., Intermittent rivers and ephemeral streams (IRES) may represent over half the global stream network, but their contribution to respiration and carbon dioxide (CO2) emissions is largely undetermined. In particular, little is known about the variability and drivers of respiration in IRES sediments upon rewetting, which could result in large pulses of CO2. We present a global study examining sediments from 200 dry IRES reaches spanning multiple biomes. Results from standardized assays show that mean respiration increased 32–66-fold upon sediment rewetting. Structural equation modelling indicates that this response was driven by sediment texture and organic matter quantity and quality, which, in turn, were influenced by climate, land use and riparian plant cover. Our estimates suggest that respiration pulses resulting from rewetting of IRES sediments could contribute significantly to annual CO2 emissions from the global stream network, with a single respiration pulse potentially increasing emission by 0.2–0.7%. As the spatial and temporal extent of IRES increases globally, our results highlight the importance of recognizing the influence of wetting-drying cycles on respiration and CO2 emissions in stream networks., We thank Y. Etxeberria, L. Sánchez, C. Gutiérrez, G. LeGoff and B. Launay for laboratory support. DvS was supported by a Short-Term Scientific Mission of the COST Action CA15113 (SMIRES, Science and Management of Intermittent Rivers and Ephemeral Streams, www.smires.eu), supported by COST (European Cooperation in Science and Technology) and received additional funding from the EU’s 7th Framework Programme for research, technological development and demonstration under grant agreement No. 603629 (GLOBAQUA) and a Grant for Research Groups of the Basque University System (IT-951-16) funded by the Basque Government. RM and BO were supported by the Spanish Ministry of Science, Innovation and Universities through project C-HYDROCHANGE (CGL2017-86788-C3-2-P and CGL2017-86788-C3-3-P). FA was funded by the Swiss National Science Foundation grants No. PP00P3_150698 and PP00P3_179089. NC was supported by the EU project LIFE+ TRivers (LIFE13 ENV/ES/000341). SDL received funding from the EU’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 748625. PP and MP were supported by INTER-COST project LTC17017. The authors declare that they have no competing interests.
Published: 2019
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27. On the overlap between scientific and societal taxonomic attentions - insights for conservation

Author: Ricardo A. Correia, Ivan Jarić, Yves Meinard, Jörn Gessner, Franck Courchamp, David L. Roberts, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, School of Geography and the Environment [Oxford], University of Oxford [Oxford], Institute of Biological and Health Sciences, Universidade Federal de Alagoas = Federal University of Alagoas (UFAL), Durrell Institute of Conservation and Ecology, University of Kent [Canterbury], Laboratoire d'analyse et modélisation de systèmes pour l'aide à la décision (LAMSADE), Université Paris Dauphine-PSL, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Ecologie Systématique et Evolution (ESE), Centre National de la Recherche Scientifique (CNRS)-AgroParisTech-Université Paris-Sud - Paris 11 (UP11), Biology Centre of the Czech Academy of Sciences (BIOLOGY CENTRE CAS), Czech Academy of Sciences [Prague] (CAS), Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), School of Geography and the Environment [Oxford] (SoGE), AgroParisTech-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Université Paris Dauphine-PSL-Centre National de la Recherche Scientifique (CNRS), and Université Paris-Sud - Paris 11 (UP11)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS)
Subjects: Primates, Conservation of Natural Resources, Environmental Engineering, Species groups, 010504 meteorology & atmospheric sciences, Carnivora, QH75, 010501 environmental sciences, 01 natural sciences, Political science, Societal attention, Animals, Environmental Chemistry, Charisma, Degree of similarity, Social media, [INFO]Computer Science [cs], Waste Management and Disposal, ComputingMilieux_MISCELLANEOUS, 0105 earth and related environmental sciences, QL, Raptors, Field (Bourdieu), Endangered Species, Charismatic megafauna, Environmental ethics, Biodiversity, Classification, Pollution, Caniformia, Research objectives, Marine mammals, Threatened species, [SDE]Environmental Sciences, Birds of prey, Cetacea, [SDE.BE]Environmental Sciences/Biodiversity and Ecology
Abstract: International audience; Attention directed at different species by society and science is particularly relevant within the field of conservation, as societal preferences will strongly impact support for conservation initiatives and their success. Here, we assess the association between societal and research interests in four charismatic and threatened species groups, derived from a range of different online sources and social media platforms as well as scientific publications. We found a high level of concordance between scientific and societal taxonomic attention, which was consistent among assessed species groups and media sources. Results indicate that research is apparently not as disconnected from the interests of society as it is often reproached, and that societal support for current research objectives should be adequate. While the high degree of similarity between scientific and societal interest is both striking and satisfying, the dissimilarities are also interesting, as new scientific findings may constitute a constant source of novel interest for the society. In that respect, additional efforts will be necessary to draw scientific and societal focus towards less charismatic species that are in urgent need of research and conservation attention.
Published: 2019
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28. Ecological stoichiometry of aquatic fungi: current knowledge and perspectives

Author: Felix Bärlocher, Michael Danger, Mark O. Gessner, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Technische Universität Berlin (TU), Mt Allison University, Department of Biology, and Mount Allison University
Subjects: 0106 biological sciences, Hyphal growth, Nutrient cycle, Plant Science, Biology, Nutrient-recycling, 010603 evolutionary biology, 01 natural sciences, Decomposer, Ecological stoichiometry, Ecosystem, 14. Life underwater, Ecology, Evolution, Behavior and Systematics, Detritus, Ecology, 010604 marine biology & hydrobiology, Ecological Modeling, Aquatic ecosystem, Decomposers, Fungal elemental composition, 15. Life on land, Plant litter, 13. Climate action, [SDE]Environmental Sciences, Fungal homeostasis
Abstract: International audience; Ecological stoichiometry investigates how the ratios of elements in organisms shape their ecology and nutrient and energy fluxes in ecosystems. Despite their global distribution and essential roles in nutrient cycling, microbial decomposers are among the least known organisms in terms of elemental concentrations and stoichiometric relationships. This review compiles information currently available on aquatic fungi and the role of stoichiometric constraints in fungal ecology. These data show that elemental ratios of fungal biomass vary widely, with ranges exceeding those found for bacteria. In part, this variability may be related to hyphal growth rates, according to the growth rate hypothesis, but results have been equivocal so far and could be partly attributed to limited fungal homeostasis. However, this issue requires further investigation before firm conclusions can be drawn. Much evidence indicates that aquatic fungi enhance the quality of leaf litter to consumers by lowering C:N or C:P ratios, thereby affecting the life history of consumers and promoting nutrient and energy transfer in aquatic ecosystems. In contrast, pertinent data to assess the importance of resource stoichiometry on aquatic fungal community structure appears to be lacking at present. Differences in the stoichiometric requirements of fungi vs bacteria could partly explain literature observations on stoichiometric determinants of fungal–bacterial interaction in aquatic ecosystems. Numerous perspectives for future research unfold when applying stoichiometric theory to aquatic fungi and their role in aquatic food webs and ecosystems.
Published: 2016
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29. Recreational sea fishing in Europe in a global contextParticipation rates, fishing effort, expenditure, and implications for monitoring and assessment

Author: Janis Birzaks, Tomas Zolubas, Hans Jakob Olesen, Anders Kagervall, Graham G. Monkman, Alf Ring Kleiven, Anssi Ahvonen, David Turnbull, Jon Ruiz, Harry Vincent Strehlow, Ryszard Grzebielec, Roi Martinez, Jeremy M. Lyle, Bryony Townhill, Giulia Cambiè, Trude Borch, Pablo Pita, Thomas Verleye, Paul O'Reilly, Jon-Helge Vølstad, Estanis Mugerza, Arvydas Svagzdys, Tessa van der Hammen, Zachary Radford, Adam M Lejk, Roberto Silvestri, Martin de Graaf, Kieran Hyder, Ana Gordoa, Scott R. Steinback, William Roche, Delphine Rocklin, Beatriz Morales-Nin, Martin Karlsson, Lucia Zarauz, Andreas Sundelöf, Bruce Hartill, Manuel Bellanger, Kostas Kapiris, Callum Scougal, Marc Simon Weltersbach, Pedro Veiga, Łukasz Dziemian, Pentti Moilanen, Harold Levrel, Frankwin van Winsen, Mike Armstrong, Christian Skov, Robert Arlinghaus, Sabrina Lovell, Andrei Baikov, Anastasios Papadopoulos, Hugo Diogo, Krzysztof Radtke, David van Voorhees, Keno Ferter, Centre for Environment, Fisheries and Aquaculture Science [Lowestoft] (CEFAS), Institute of Baltic Sea Fishery (OSF), Institute of Marine Research [Bergen] (IMR), University of Bergen (UiB), Natural Resources Institute Finland (LUKE), Humboldt-Universität zu Berlin, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, University of Tartu, Aménagement des Usages des Ressources et des Espaces marins et littoraux - Centre de droit et d'économie de la mer (AMURE), Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Institut Universitaire Européen de la Mer (IUEM), Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Akvaplan-Niva [Tromsø], Norwegian Institute for Water Research (NIVA), Wageningen University and Research [Wageningen] (WUR), Department of Oceanography and Fisheries [Horta], University of the Azores, National Marine Fisheries Research Institute, Centre d'Estudis Avançats de Blanes (CEAB), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), National Institute of Water and Atmospheric Research [Auckland] (NIWA), Swedish University of Agricultural Sciences (SLU), Hellenic Centre for Marine Research (HCMR), centre international de recherche sur l'environnement et le développement (CIRED), Centre National de la Recherche Scientifique (CNRS)-École des Ponts ParisTech (ENPC)-École des hautes études en sciences sociales (EHESS)-AgroParisTech-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad), NOAA National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), Institute for Marine and Antarctic Studies [Horbat] (IMAS), University of Tasmania [Hobart, Australia] (UTAS), School of Ocean Sciences [Menai Bridge], Bangor University, Institut Mediterrani d'Estudis Avancats (IMEDEA), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)-Universidad de las Islas Baleares (UIB), AZTI - Tecnalia, Inland Fisheries Ireland, DTU Aqua, National Institute of Aquatic Resources, Technical University of Denmark [Lyngby] (DTU), Hellenic Center for Marine Research (HCMR), Universidade de Santiago de Compostela [Spain] (USC ), Memorial University of Newfoundland [St. John's], Centro Interuniversitario di Biologia Marina ed Ecologia Applicata (C.I.B.M.), Northeast Fisheries Science Center (NEFSC), National Oceanic and Atmospheric Administration (NOAA)-National Oceanic and Atmospheric Administration (NOAA), Marine Scotland, Research Institute for Agricultural, Fisheries and Food (ILVO), Vlaams Instituut voor de Zee, Centre of Marine Sciences [Faro] (CCMAR), University of Algarve [Portugal], Humboldt University Of Berlin, Institute of Food Safety, Animal Health and Environment (BIOR), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École des hautes études en sciences sociales (EHESS)-AgroParisTech-École des Ponts ParisTech (ENPC)-Centre National de la Recherche Scientifique (CNRS), Institute for Marine and Antarctic Studies [Hobart] (IMAS), Danmarks Tekniske Universitet = Technical University of Denmark (DTU), and Memorial University of Newfoundland = Université Memorial de Terre-Neuve [St. John's, Canada] (MUN)
Subjects: 0106 biological sciences, Oceanography, Fish stock, 01 natural sciences, Gadus, Economic value, Cod Gadus-Morhua, Fisheries Management, Surveys and monitoring of marine recreational fisheries, media_common, 2. Zero hunger, biology, Participation, 04 agricultural and veterinary sciences, Geography, Social benefits, Impact, [SDE]Environmental Sciences, Industrialized Countries, Fisheries management, Fishing, Context (language use), United-States, Conservation, Management, Monitoring, Policy and Law, Aquatic Science, Onderzoeksformatie, Atlantic Cod, European marine recreational fisheries, media_common.cataloged_instance, 14. Life underwater, SDG 14 - Life Below Water, European union, Recreation, Ecology, Evolution, Behavior and Systematics, Marine, 010604 marine biology & hydrobiology, Gadidae, Semi‐quantitative bias assessment, Sustainable fisheries management, biology.organism_classification, Fish stocks, Fishery, [SDU]Sciences of the Universe [physics], Marine recreational fishing, 040102 fisheries, 0401 agriculture, forestry, and fisheries, Fishing effort and expenditure, Fisheries assessment and management, Catch
Abstract: Este artículo contiene 19 páginas, 7 tablas, 4 figuras., Marine recreational fishing (MRF) is a high-participation activity with large economic value and social benefits globally, and it impacts on some fish stocks. Although reporting MRF catches is a European Union legislative requirement, estimates are only available for some countries. Here, data on numbers of fishers, participation rates, days fished, expenditures, and catches of two widely targeted species were synthesized to provide European estimates of MRF and placed in the global context. Uncertainty assessment was not possible due to incomplete knowledge of error distributions; instead, a semi-quantitative bias assessment was made. There were an estimated 8.7 million European recreational sea fishers corresponding to a participation rate of 1.6%. An estimated 77.6 million days were fished, and expenditure was €5.9 billion annually. There were higher participation, numbers of fishers, days fished and expenditure in the Atlantic than the Mediterranean, but the Mediterranean estimates were generally less robust. Comparisons with other regions showed that European MRF participation rates and expenditure were in the mid-range, with higher participation in Oceania and the United States, higher expenditure in the United States, and lower participation and expenditure in South America and Africa. For both northern European sea bass (Dicentrarchus labrax, Moronidae) and western Baltic cod (Gadus morhua, Gadidae) stocks, MRF represented 27% of the total removals. This study highlights the importance of MRF and the need for bespoke, regular and statistically sound data collection to underpin European fisheries management. Solutions are proposed for future MRF data collection in Europe and other regions to support sustainable fisheries management., Institut Français de Recherche pour l’Exploitation de la Mer; French Ministry of Fisheries Management; Greek National Data Collection Programme; European Commission, Data Collection Framework; Department for Environment, Food and Rural Affairs, Grant/Award Number: MF1221, MF1230 and MI001; Norges Forskningsråd, Grant/Award Number: A framework for science-based management of marine recreational fisheries in Norway (267808); State Department of Agriculture, Food Security and Fisheries Mecklenburg- Western Pomerania; Interreg IVa 2 Seas, Grant/Award Number: GIFS project; Dutch Ministry of Economic Affairs, Grant/Award Number: WOT (Wettelijke Onderzoekstaken) programme; European Fishery Fund - Axis 4, approved by FLAG; Department of Environment, Planning, Agriculture and Fisheries from the Basque Government; Government of Galicia, Grant/Award Number: RECREGES project (ED481B2014/034-0)
Published: 2018
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30. A transitory microbial habitat in the hyperarid Atacama desert

Author: Beate Schneider, Markus Flury, Peter Grathwohl, Rainer U. Meckenstock, Jenny Uhl, Samuel P. Kounaves, Alexander J. Probst, Felix L. Arens, Tobias Sattler, Matthias Hess, Wren Montgomery, Daniel Carrizo, Francisco Solís Cornejo, Mark A. Sephton, Lars Wörmer, Johan S. Saenz, Lisa Guan, Janosch Schirmack, Bernardita Valenzuela, Jacob Heinz, Gisle Vestergaard, Elizabeth Oberlin, Alfonso F. Davila, Philippe Schmitt-Kopplin, Hans-Peter Grossart, Jocelyne DiRuggiero, Martin Kaupenjohann, Christopher P. McKay, Frank Keppler, Kevin G. Devine, Victor Parro, Kai Mangelsdorf, Jan Frösler, Lars Ganzert, Dirk Schulze-Makuch, Mark O. Gessner, Dirk Wagner, Jean-Pierre de Vera, Michael Schloter, Deborah Maus, Luis Cáceres, Alessandro Airo, Pedro Zamorano, Albert Galy, Lewis Dartnell, Science and Technology Facilities Council (STFC), Zentrum für Astronomie und Astrophysik [Berlin] (ZAA), Technische Universität Berlin (TU), Washington State University (WSU), GeoForschungsZentrum - Helmholtz-Zentrum Potsdam (GFZ), Institute of Earth and Environmental Science [Potsdam], University of Potsdam, Tufts University [Medford], Department of Earth Science and Engineering [Imperial College London], Imperial College London, London Metropolitan University, DLR Institut für Planetenforschung, Deutsches Zentrum für Luft- und Raumfahrt [Berlin] (DLR), Technische Universität Munchen - Université Technique de Munich [Munich, Allemagne] (TUM), Helmholtz-Zentrum München (HZM), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Institut fur Biochemie und Biologie, Molekularbiologie (UP), Universität Potsdam, Instituto Nacional de Técnica Aeroespacial (INTA), Centre de Recherches Pétrographiques et Géochimiques (CRPG), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Universität Duisburg-Essen [Essen], NASA Ames Research Center (ARC), Institute of Geological Sciences [Berlin], Department of Earth Sciences [Berlin], Free University of Berlin (FU)-Free University of Berlin (FU), Universidad de Antofagasta, University of Westminster [London] (UOW), Johns Hopkins University (JHU), Center for Applied Geoscience [Tübingen] (ZAG), Eberhard Karls Universität Tübingen = Eberhard Karls University of Tuebingen, University of California [Davis] (UC Davis), University of California, Universität Heidelberg [Heidelberg], Center for Marine Environmental Sciences [Bremen] (MARUM), Universität Bremen, and Technische Universität München [München] (TUM)
Subjects: 0301 basic medicine, Microorganism, DIVERSITY, habitat, Soil, [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry, CHILE, NOV, ddc:550, Extreme environment, dewey550, Soil Microbiology, 2. Zero hunger, Biomass (ecology), Multidisciplinary, Ecology, Biodiversity, Biological Sciences, Multidisciplinary Sciences, Habitat, aridity, Physical Sciences, Institut für Chemie, Science & Technology - Other Topics, biomarker, Desert Climate, VIRUSES, Chemie, Mars, Biology, complex mixtures, microbial activity, 03 medical and health sciences, Earth, Atmospheric, and Planetary Sciences, ddc:570, Ecosystem, dewey520, Science & Technology, Bacteria, Leitungsbereich PF, fungi, DNA, 15. Life on land, South America, Arid, LIFE, 030104 developmental biology, Microbial population biology, 13. Climate action, Extraterrestrial life, Adaptation
Abstract: Significance It has remained an unresolved question whether microorganisms recovered from the most arid environments on Earth are thriving under such extreme conditions or are just dead or dying vestiges of viable cells fortuitously deposited by atmospheric processes. Based on multiple lines of evidence, we show that indigenous microbial communities are present and temporally active even in the hyperarid soils of the Atacama Desert (Chile). Following extremely rare precipitation events in the driest parts of this desert, where rainfall often occurs only once per decade, we were able to detect episodic incidences of biological activity. Our findings expand the range of hyperarid environments temporarily habitable for terrestrial life, which by extension also applies to other planetary bodies like Mars., Traces of life are nearly ubiquitous on Earth. However, a central unresolved question is whether these traces always indicate an active microbial community or whether, in extreme environments, such as hyperarid deserts, they instead reflect just dormant or dead cells. Although microbial biomass and diversity decrease with increasing aridity in the Atacama Desert, we provide multiple lines of evidence for the presence of an at times metabolically active, microbial community in one of the driest places on Earth. We base this observation on four major lines of evidence: (i) a physico-chemical characterization of the soil habitability after an exceptional rain event, (ii) identified biomolecules indicative of potentially active cells [e.g., presence of ATP, phospholipid fatty acids (PLFAs), metabolites, and enzymatic activity], (iii) measurements of in situ replication rates of genomes of uncultivated bacteria reconstructed from selected samples, and (iv) microbial community patterns specific to soil parameters and depths. We infer that the microbial populations have undergone selection and adaptation in response to their specific soil microenvironment and in particular to the degree of aridity. Collectively, our results highlight that even the hyperarid Atacama Desert can provide a habitable environment for microorganisms that allows them to become metabolically active following an episodic increase in moisture and that once it decreases, so does the activity of the microbiota. These results have implications for the prospect of life on other planets such as Mars, which has transitioned from an earlier wetter environment to today’s extreme hyperaridity.
Published: 2018
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31. A global analysis of terrestrial plant litter dynamics in non-perennial waterways

Author: Roland Corti, Clara Mendoza-Lera, Ross Vander Vorste, María Isabel Arce, Iola G. Boëchat, Ryan M. Burrows, A. Uzan, Jonathan C. Marshall, Nick Bond, Cleo Woelfle-Erskine, Christopher T. Robinson, S. Kubheka, Damien Banas, Vladimir Pešić, Arnaud Foulquier, Klement Tockner, Nathan J. Waltham, Núria Cid, Thibault Datry, Michael T. Bogan, Marcos Moleón, Melanie L. Blanchette, Björn Gücker, Brian Four, Sudeep D. Ghate, Michael Danger, Musa C. Mlambo, V. D. Diaz-Villanueva, Florian Altermatt, Rosa Gómez, K. C. Brintrup Barría, Evans De La Barra, Manuela Morais, Richard G. Storey, Robert J. Rolls, Bianca de Freitas Terra, Tommaso Cancellario, Nabor Moya, A. M. De Girolamo, Arturo Elosegi, Chelsea J. Little, Amina Taleb, Ana Savić, R. del Campo, Simone Guareschi, Dominik Zak, Elisabeth I. Meyer, J. I. Jones, Annamaria Zoppini, Dev K. Niyogi, Peter M. Negus, Manuel A. S. Graça, Isabel Pardo, Pablo Rodríguez-Lozano, Eduardo J. Martín, Kate S. Boersma, Petr Pařil, Erin E. Beller, Alex Laini, Kandikere R. Sridhar, Cristina Canhoto, Felicitas Hoppeler, D. von Schiller, Shai Arnon, Rachel Stubbington, Sarig Gafny, Alisha L. Steward, Núria Bonada, Lluís Gómez-Gener, Ricardo J. Albariño, A. Papatheodoulou, Joanna Blessing, Steffen U. Pauls, Juan F. Blanco-Libreros, Simone D. Langhans, Christiane Zarfl, Jean-Christophe Clément, Mark O. Gessner, Angus R. McIntosh, Fiona Dyer, Oleksandra Shumilova, Catherine M. Febria, Marek Polášek, Stefan Lorenz, Sophie Cauvy-Fraunié, Stephanie M. Carlson, Andy Banegas-Medina, Jason L. Hwan, M. M. Sánchez-Montoya, Daniel C. Allen, Catherine Leigh, Emile Faye, Marko Miliša, Andreas Bruder, Milieux aquatiques, écologie et pollutions (UR MALY), Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Laboratoire d'Ecologie Alpine (LECA ), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Universidad del Pais Vasco / Euskal Herriko Unibertsitatea [Espagne] (UPV/EHU), Centre Alpin de Recherche sur les Réseaux Trophiques et Ecosystèmes Limniques (CARRTEL), Institut National de la Recherche Agronomique (INRA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry]), School of Geography and the Environment [Oxford] (SoGE), University of Oxford [Oxford], Instituto de Investigación en Paleobiología y Geología [Río Negro] (IIPG), Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] (CONICET)-Universidad Nacional de Río Negro (UNRN), Unité de Recherches Animal et Fonctionnalités des Produits Animaux (URAFPA), Université de Lorraine (UL)-Institut National de la Recherche Agronomique (INRA), Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona (UB), Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Department of Plant Biology and Ecology, University of the Basque Country, Intelligent Control Systems Laboratory (ICSL), Griffith University [Brisbane], Conseil Général du Rhône, Département du Rhône, Science et Ingénierie des Matériaux et Procédés (SIMaP ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Purdue University [West Lafayette], Centro de investigaciones biológicas, Spanish National Research Council (CSIC), Klinik für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Ulm - University Hospital of Ulm, Department of Biosciences [Mangalore], Mangalore University, Langenberg, Heike, Goldin, Tamara, Plail, Melissa, Laboratoire d'Ecologie Alpine (LECA), Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Université Joseph Fourier - Grenoble 1 (UJF)-Université Grenoble Alpes (UGA), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de la Recherche Agronomique (INRA), School of Geography and the Environment [Oxford], Institut National de la Recherche Agronomique (INRA)-Université de Lorraine (UL), Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Science et Ingénierie des Matériaux et Procédés (SIMaP), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National Polytechnique de Grenoble (INPG)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Milieux aquatiques, écologie et pollutions ( UR MALY ), Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture ( IRSTEA ), Laboratoire d'Ecologie Alpine ( LECA ), Université Joseph Fourier - Grenoble 1 ( UJF ) -Université Savoie Mont Blanc ( USMB [Université de Savoie] [Université de Chambéry] ) -Centre National de la Recherche Scientifique ( CNRS ), Leibniz Institute of Freshwater Ecology & Inland Fisheries, Universidad del Pais Vasco / Euskal Herriko Unibertsitatea ( UPV/EHU ), Leibniz-Institute of Freshwater Ecology and Inland Fisheries ( IGB ), Freie Universität Berlin [Berlin], Centre Alpin de Recherche sur les Réseaux Trophiques et Ecosystèmes Limniques ( CARRTEL ), Institut National de la Recherche Agronomique ( INRA ) -Université Savoie Mont Blanc ( USMB [Université de Savoie] [Université de Chambéry] ), Laboratoire Environnement Géomécanique et Ouvrages ( LAEGO ), Institut National Polytechnique de Lorraine ( INPL ), Instituto de Investigación en Paleobiología y Geología, Universidad Nacional de Río Negro, Unité de Recherches Animal et Fonctionnalités des Produits Animaux ( URAFPA ), Institut National de la Recherche Agronomique ( INRA ) -Université de Lorraine ( UL ), Universitat de Barcelona ( UB ), Laboratoire Interdisciplinaire des Environnements Continentaux ( LIEC ), Université de Lorraine ( UL ) -Centre National de la Recherche Scientifique ( CNRS ), Centre d'études et de recherches appliquées à la gestion ( CERAG ), Université Pierre Mendès France - Grenoble 2 ( UPMF ) -Centre National de la Recherche Scientifique ( CNRS ), Intelligent Control Systems Laboratory ( ICSL ), Griffith University, Science et Ingénierie des Matériaux et Procédés ( SIMaP ), Université Joseph Fourier - Grenoble 1 ( UJF ) -Institut polytechnique de Grenoble - Grenoble Institute of Technology ( Grenoble INP ) -Institut National Polytechnique de Grenoble ( INPG ) -Centre National de la Recherche Scientifique ( CNRS ) -Université Grenoble Alpes ( UGA ), Spanish National Research Council ( CSIC ), Universitätsklinikum Ulm, Organic Chemistry Division-I, Indian Institute of Chemical Technology, Hyderabad-500 007, India, Institut de Recherches Subatomiques ( IReS ), and Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique ( CNRS )
Subjects: 0106 biological sciences, RIVERS, 010504 meteorology & atmospheric sciences, Perennial plant, ved/biology.organism_classification_rank.species, C CYCLE, SEQUESTRATION, 01 natural sciences, [ SDE ] Environmental Sciences, ECOSYSTEMS, ZONE CLIMATIQUE, 212 dry riverbeds, ComputingMilieux_MISCELLANEOUS, DROUGHT, CLIMATE-CHANGE, geography.geographical_feature_category, CYCLE DU CARBONE, Plant litter, CARBON-DIOXIDE EMISSIONS, 6. Clean water, global research, CO2 EMISSION, [ SDE.MCG ] Environmental Sciences/Global Changes, TEMPORARY RIVERS, [SDE]Environmental Sciences, Ecosystem ecology, DECOMPOSITION, riverbeds, P40 - Météorologie et climatologie, [SDE.MCG]Environmental Sciences/Global Changes, VÉGÉTATION RIPICOLE, ephemeral streams, ECOLOGY, Terrestrial plant, [ SDU.ENVI ] Sciences of the Universe [physics]/Continental interfaces, environment, STREAMS, P10 - Ressources en eau et leur gestion, GLOBAL CHANGE, [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment, 0105 earth and related environmental sciences, Riparian zone, RIVER ECOSYSTEM FUNCTIONING, Hydrology, geography, ved/biology, 010604 marine biology & hydrobiology, RIPARIAN VEGETATION, Global change, 15. Life on land, Arid, global change, river ecosystem functioning, CO2 emissions, temporary rivers, riparian vegetation, C cycle, COURS D'EAU, 13. Climate action, CO2 EMISSIONS, CHANGEMENT CLIMATIQUE, C-CYCLING, PATTERNS, Litter, General Earth and Planetary Sciences, Environmental science, terrestrial plant litter, intermittent rivers, MATTER, LITIÈRE VÉGÉTALE
Abstract: International audience; Perennial rivers and streams make a disproportionate contribution to global carbon (C) cycling. However, the contribution of intermittent rivers and ephemeral streams (IRES), which sometimes cease to flow and can dry completely, is largely ignored although they represent over half the global river network. Substantial amounts of terrestrial plant litter (TPL) accumulate in dry riverbeds and, upon rewetting, this material can undergo rapid microbial processing. We present the results of a global research collaboration that collected and analysed TPL from 212 dry riverbeds across major environmental gradients and climate zones. We assessed litter decomposability by quantifying the litter carbon-to-nitrogen ratio and oxygen (O2) consumption in standardized assays and estimated the potential short-term CO2 emissions during rewetting events. Aridity, cover of riparian vegetation, channel width and dry-phase duration explained most variability in the quantity and decomposability of plant litter in IRES. Our estimates indicate that a single pulse of CO2 emission upon litter rewetting contributes up to 10% of the daily CO2 emission from perennial rivers and stream, particularly in temperate climates. This indicates that the contributions of IRES should be included in global C-cycling assessments.
Published: 2018
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32. Assessing linkages between river morphology and ecosystem services provided by alpine rivers: the EU HyMoCARES project

Author: Carolli, Mauro, Pusch, Martin, Beichler, S, Costea, G, Zolezzi, Guido, Geneletti, D, Goltara, Andrea, Boz, Bruno, Habersack, Helmut, Liébault, Frédéric, Chouquet, Isabelle, Gaucher, Romain, Javornik, Luka, Santl, Saso, Kloetsch, Mario, Marangoni, Nicola, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, University of Natural Resources and Life Sciences [Wien] (BOKU), Université médicale de Vienne, Autriche, Erosion torrentielle neige et avalanches (UR ETGR (ETNA)), and Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)
Subjects: [SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, ComputingMilieux_MISCELLANEOUS
Abstract: International audience
Published: 2018

33. Trophic patterns and home‐range size of two generalist urban carnivores: a review

Author: Benoît Pisanu, Jean-Louis Chapuis, Ivan Jarić, Céline Bellard, Elsa Bonnaud, I. Castañeda, Centre d'Ecologie et des Sciences de la COnservation (CESCO), Muséum national d'Histoire naturelle (MNHN)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU), University of Belgrade [Belgrade], Czech Academy of Sciences [Prague] (CAS), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Ecologie Systématique et Evolution (ESE), Université Paris-Sud - Paris 11 (UP11)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), Université de Caen Normandie (UNICAEN), and Normandie Université (NU)-Normandie Université (NU)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA)
Subjects: 0106 biological sciences, Future studies, Home range, anthropogenic habitats, home range, Biology, Generalist and specialist species, 010603 evolutionary biology, 01 natural sciences, Predation, domestic cat, red fox, [SDV.BA.ZV]Life Sciences [q-bio]/Animal biology/Vertebrate Zoology, 0501 psychology and cognitive sciences, 050102 behavioral science & comparative psychology, Ecology, Evolution, Behavior and Systematics, Invertebrate, Trophic level, Ecology, 05 social sciences, trophic pattern, Urban wildlife, Habitat, Animal Science and Zoology, urban carnivores, predation, diet, [SDV.EE.IEO]Life Sciences [q-bio]/Ecology, environment/Symbiosis
Abstract: International audience; Foxes and cats are the most abundant medium-sized urban carnivores. To date, however, there has been a lack of effort to synthesize data on the spatial and trophic resources used by these two carnivores, despite the importance of this information for assessing their similarity and roles in urban food webs. In this paper, we first synthesize all available information on the trophic patterns and home-range size of these two predators based on a total of 91 studies. Second, we conduct statistical analyses to test the influence of environmental and biological variables such as regional differences, habitat characteristics, age, and sexual status on their home-range size and diet patterns within urban habitats, and then evaluate the methods used to investigate these components. Our findings highlight the lack of studies that simultaneously monitor the diet and home-range size of both predators within urban habitats. To the best of our knowledge, this is the first study to compare fox and cat home-range size and diet. Foxes exhibited larger ranges than cats, while intact cats showed larger home ranges than desexed cats. Diet diversity obtained for both predators confirmed their trophic plasticity within urban habitats. Both predators consumed fewer mammals and invertebrates in highly disturbed habitats compared to medium ones. We also found that the procedure of data acquisition significantly influenced fox and cat home-range sizes. In terms of diet, the type of recovered samples had a significant effect on the diet composition of both predators. To improve our understanding of the relative impact of these two urban carnivores on urban wildlife, we recommend simultaneously studying both species in future studies. Moreover, methodological standards for both diet and home-range size studies are needed to allow comparisons.
Published: 2018
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34. Spatial variability of marine bacterial and archaeal communities along the particulate matter continuum

Author: Ortega-Retuerta, Eva, Mestre, Mireia, Ferrera, Isabel, Borrull, Encarna, Mbedi, Susan, Grossart, Hans-Peter, Gasol, Josep M, Sala, M. Montserrat, Laboratoire d'Océanographie Microbienne (LOMIC), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Observatoire océanologique de Banyuls (OOB), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Institute of Marine Sciences / Institut de Ciències del Mar [Barcelona] (ICM), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), Universidad de Concepción - University of Concepcion [Chile], Universidad Austral de Chile, Observatoire océanologique de Banyuls (OOB), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Berlin Center for Genomics in Biodiversity Research (BeGenDiv), Limnology of Stratified Lakes, IGB-Neuglobsow, Department of Marine Biology and Oceanography [Barcelone], Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)-Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), Biologia Marina i Oceanografia [Barcelona], Instituto de Ciencias del Mar de Barcelona (ICM), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Institut fur Biochemie und Biologie, Molekularbiologie (UP), and University of Potsdam = Universität Potsdam
Subjects: [SDE]Environmental Sciences
Abstract: International audience
Published: 2017

35. Predator–prey interactions in a changing world: humic stress disrupts predator threat evasion in copepods

Author: Mark O. Gessner, Mathieu Santonja, Laetitia Minguez, Erik Sperfeld, Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), Avignon Université (AU)-Aix Marseille Université (AMU)-Institut de recherche pour le développement [IRD] : UMR237-Centre National de la Recherche Scientifique (CNRS), Ecosystèmes, biodiversité, évolution [Rennes] (ECOBIO), Université de Rennes (UR)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR), Université de Rennes (UR)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Centre National de la Recherche Scientifique (CNRS), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, SAW project ILES (SAW-2015-IGB-1), Leibniz Association, Research Grant, French GDR MediatEC 3658, Frontiers in Freshwater Ecology program, IGB, EU project MARS (contract no. 603378), 7th Framework Programme, Centre National de la Recherche Scientifique (CNRS)-Institut de recherche pour le développement [IRD] : UMR237-Aix Marseille Université (AMU)-Avignon Université (AU), Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Rennes (OSUR)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), and Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)
Subjects: 0106 biological sciences, Food Chain, Humic substances, Fresh Water, Chemical ecology, 010603 evolutionary biology, 01 natural sciences, Zooplankton, Predation, Copepoda, Animals, 14. Life underwater, Predator, Global change, Ecology, Evolution, Behavior and Systematics, biology, Brownification, Ecology, 010604 marine biology & hydrobiology, Aquatic ecosystem, biology.organism_classification, Colored dissolved organic matter, Zooplankton behavior, Kairomone, Predatory Behavior, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Copepod
Abstract: International audience; Increasing inputs of colored dissolved organic matter (cDOM), which is mainly composed of humic substances (HS), are a widespread phenomenon of environmental change in aquatic ecosystems. This process of brownification alters the chemical conditions of the environment, but knowledge is lacking of whether elevated cDOM and HS levels interfere with the ability of prey species to evade chemical predator cues and thus affect predator–prey interactions. We assessed the effects of acute and prolonged exposure to HS at increasing concentrations on the ability of freshwater zooplankton to avoid predator threat (imposed by fish kairomones) in laboratory trials with two calanoid copepods (Eudiaptomus gracilis and Heterocope appendiculata). Populations of both species clearly avoided water containing fish kairomones. However, the avoidance behavior weakened with increasing HS concentration, suggesting that HS affected the ability of copepods to perceive or respond to the predator cue. The behavioral responses of the two copepod populations to increasing HS concentrations differed, with H. appendiculata being more sensitive than E. gracilis in an acute exposure scenario, whereas E. gracilis responded more strongly after prolonged exposure. Both showed similar physiological impairment after prolonged exposure, as revealed by their oxidative balance as a stress indicator, but mortality increased more strongly for H. appendiculata when the HS concentration increased. These results indicate that reduced predator threat evasion in the presence of cDOM could make copepods more susceptible to predation in future, with variation in the strength of responses among populations leading to changes in zooplankton communities and lake food-web structure.
Published: 2017
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36. No saturation in the accumulation of alien species worldwide

Author: Seebens, Hanno, Blackburn, Tim M., Dyer, Ellie E., Genovesi, Piero, Hulme, Philip E., Jeschke, Jonathan M., Pagad, Shyama, Pysek, Petr, Winter, Marten, Arianoutsou, Margarita, Bacher, Sven, Blasius, Bernd, Brundu, Giuseppe, Capinha, Cesar, Celesti-Grapow, Laura, Dawson, Wayne, Dullinger, Stefan, Fuentes, Nicol, Jaeger, Heinke, Kartesz, John, Kenis, Marc, Kreft, Holger, Kuehn, Ingolf, Lenzner, Bernd, Liebhold, Andrew, Mosena, Alexander, Moser, Dietmar, Nishino, Misako, Pearman, David, Pergl, Jan, Rabitsch, Wolfgang, Rojas-Sandoval, Julissa, Roques, Alain, Rorke, Stephanie, Rossinelli, Silvia, Roy, Helen E., Scalera, Riccardo, Schindler, Stefan, Stajerova, Katerina, Tokarska-Guzik, Barbara, van Kleunen, Mark, Walker, Kevin, Weigelt, Patrick, Yamanaka, Takehiko, Essl, Franz, Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Goethe-Universität Frankfurt am Main-Senckenberg – Leibniz Institution for Biodiversity and Earth System Research - Senckenberg Gesellschaft für Naturforschung, Leibniz Association-Leibniz Association, Department of Botany and Biodiversity Research, University of Vienna [Vienna], Institute for Chemistry and Biology of the Marine Environment (ICBM), University of Oldenburg, Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, University College of London [London] (UCL), Institute of Zoology, Université de Neuchâtel (UNINE), Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Distinguished Scientist Fellowship Program, King Saud University [Riyadh] (KSU), School of Biological Sciences [Adelaïde], University of Adelaide, Institute for Environmental Protection and Research (ISPRA), Species Survival Commission - IUCN (International Union for the Conservation of Nature and Natural Resources) - Invasive Species Specialist Group (ISSG), IUCN SSC Invasive Species Specialist Group, Bio-Protection Research Centre, Lincoln University, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Institute of Biology at the Department of Biology, Chemistry and Pharmacy, Free University of Berlin (FU), Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), University of Auckland [Auckland], Department of Invasion Ecology, Institute of Botany, Czech Academy of Sciences [Prague] (CAS), Faculty of Science, Department of Ecology, Charles University [Prague] (CU), German Centre for Integrative Biodiversity Research, Faculty of Biology, Department of Ecology and Systematics, School of Sciences, National and Kapodistrian University of Athens (NKUA), Department of Biology, Northern Arizona University [Flagstaff], Department of Agriculture, Università degli studi di Napoli Federico II, Universidade do Porto, Zoologisches Forschungsmuseum Alexander Koenig, Department of Environmental Biology, University of Guelph, Department of Ecology [Warsaw], Institute of Zoology [Warsaw], Faculty of Biology [Warsaw], University of Warsaw (UW)-University of Warsaw (UW)-Faculty of Biology [Warsaw], University of Warsaw (UW)-University of Warsaw (UW), Department of Biosciences, Karolinska Institutet [Stockholm], Departamento de Botanica, Facultad de Ciencias Naturales y Oceanograficas, Universidad de Concepción [Chile], Charles Darwin Foundation, Biota of North America Program (BONAP), Centre for Agricultural and Biosciences International (CABI), Department of Biodiversity, Macroecology and Biogeography, Georg-August-University [Göttingen], Department of Community Ecology, Helmholtz Zentrum für Umweltforschung = Helmholtz Centre for Environmental Research (UFZ), Department of Geobotany and Botanical Garden, Martin-Luther-Universität Halle Wittenberg (MLU), Northern Research Station, Forest Research [Great Britain], Center for Interamerican Studies (CIAS), Department of Experimental and Systems Ecology, Universität Bielefeld = Bielefeld University, Botanical Society of Britain and Ireland (BSBI), Department of Biodiversity and Nature Conservation, Environment Agency Austria, Department of Botany, Smithsonian Institution, National Museum of Natural History, Unité de recherche Zoologie Forestière (URZF), Institut National de la Recherche Agronomique (INRA), Centre for Ecology and Hydrology, Faculty of Biology and Environmental Protection, Department of Botany and Nature Protection, University of Silesia in Katowice, National Agriculture and Food Research Organization (NARO), National Institute of Agro-Environmental Sciences (NIAES), Goethe-Universität Frankfurt am Main-Senckenberg Gesellschaft für Naturforschung, University College London (UCL), King Saud University, Czech Academy of Sciences [Prague] (ASCR), Charles University [Prague], National and Kapodistrian University of Athens = University of Athens (NKUA | UoA), CIBIO/InBIO Centro de Investigação em Biodiversidade e Recursos Genéticos, Càtedra Infraestruturas de Portugal-Biodiversidade, Universidade do Porto, Universidade do Porto [Porto], Department of Ecology, University of Warsaw (UW), Departamento de Bota´nica, Facultad de Ciencias Naturales y Oceanogra´ficas, University of Concepcion, Georg-August-Universität Göttingen, Helmholtz Zentrum für Umweltforschung (UFZ), Forest Research, Unité de recherche Zoologie Forestière (UZF), aculty of Biology and Environmental Protection, Department of Botany and Nature Protection, University of Silesia, and National Agriculture and Food Research Organization
Subjects: Internationality, Time Factors, Science, [SDE.MCG]Environmental Sciences/Global Changes, dynamique de la colonisation, Invasive Species, biogeographie, distribution des populations, population distribution, Article, Ecology and Environment, Mammal, dynamique de colonisation, Species Specificity, espèce exotique, taxa, espèce exotique invasive, Computer Simulation, Invertebrate, Macroecology, Milieux et Changements globaux, taxon, Islands, Geography, Vascular plants, fungi, Botany, food and beverages, biological invasions, plant invasions, biogeography, trade, biodiversity, pathways, policy, extinctions, framework, islands, saturation, alien species, dynamique temporelle, buildup, invasion biologique, donnée taxonomique, Introduced Species, accumulation, Zoology
Abstract: Although research on human-mediated exchanges of species has substantially intensified during the last centuries, we know surprisingly little about temporal dynamics of alien species accumulations across regions and taxa. Using a novel database of 45,813 first records of 16,926 established alien species, we show that the annual rate of first records worldwide has increased during the last 200 years, with 37% of all first records reported most recently (1970–2014). Inter-continental and inter-taxonomic variation can be largely attributed to the diaspora of European settlers in the nineteenth century and to the acceleration in trade in the twentieth century. For all taxonomic groups, the increase in numbers of alien species does not show any sign of saturation and most taxa even show increases in the rate of first records over time. This highlights that past efforts to mitigate invasions have not been effective enough to keep up with increasing globalization., Alien species of animals and plants can invade new regions of the earth. This study performs a global analysis of temporal dynamics and spatial patterns of alien species introductions over the past 200 years, and reports no saturation in the rate at which these invasion are increasing.
Published: 2017
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37. Long term effects of urbanisation and anthropic alterations on river fish assemblages

Author: Tales, E., Belliard, J., Beslagic, S., Stefani, F., Tartari, G., Wolter, C., Hydrosystèmes et bioprocédés (UR HBAN), Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Consiglio Nazionale delle Ricerche [Bologna] (CNR), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Lestel, L., Carré, C., and Hydrosystèmes et Bioprocédés (UR HBAN)
Subjects: fish, COURS D'EAU, [SDE]Environmental Sciences, urbanization, URBANISATION, rivers, POISSON
Abstract: Dans cette étude, nous avons comparé l'évolution de trois grandes villes
Published: 2017

38. Local and regional drivers of headwater streams metabolism : insights from the first AIL collaborative project

Author: Ada Pastor, Maite Arroita, Silvia Monroy, Eduardo J. Martín, Rubén Rasines-Ladero, Anna Freixa, Tamara Rodríguez-Castillo, Meritxell Abril, Diego Fernández, Mireia Fillol, Juanita Mora-Gómez, Aingeru Martínez, Rubén del Campo, Andrea G. Bravo, Olatz Pereda, Lorea Flores, Pablo Rodríguez-Lozano, Alexia María González-Ferreras, Carlos Palacin-Lizarbe, Núria De Castro-Català, Ibon Aristi, Anna Lupon, Lluís Gómez-Gener, Elena Hernández-del Amo, Celia Ruiz, Núria Catalán, Sílvia Poblador, Isis Sanpera-Calbet, Joan Pere Casas-Ruiz, Irene Tornero, Libe Solagaistua, Marta Reyes, Edurne Estévez, Pau Giménez-Grau, María Isabel Arce, Departament de Biologia Evolutiva, Ecologia i Ciencies Ambientals, Facultat de Biologia, Universitat Autònoma de Barcelona (UAB), Instituto Catalán de Investigación del Agua - ICRA (SPAIN) (ICRA), Department of Forest Ecology and Management, Swedish University of Agricultural Sciences (SLU), Environmental Hydraulics institute, Universidad de Cantabria [Santander], Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Laboratory of Stream Ecology, Department of Plant Biology and Ecology, University of the Basque Country, Limnology [Norbyvägen], Department of Ecology and Genetics [Uppsala] (EBC), Uppsala University-Uppsala University, Department of Ecology and Hydrology, Faculty of Biology, Regional Campus of International Excellence 'Campus Mare Nostrum', Universidad de Murcia, Institute of Environmental Sciences [Landau], University of Koblenz-Landau, Ecologie Comportementale et Biologie des Populations de Poissons (ECOBIOP), Institut National de la Recherche Agronomique (INRA)-Université de Pau et des Pays de l'Adour (UPPA), Institute of Aquatic Ecology, Facultat de Ciencies, Universitat de Girona (UdG), Centre for Ecological Research and Forestry Applications (CREAF), Swiss Federal Insitute of Aquatic Science and Technology [Dübendorf] (EAWAG), IMDEA Water Institute, Department of Environmental Science, Policy, and Management [Berkeley] (ESPM), University of California [Berkeley], University of California-University of California, IMDEA The National Museum of Natural Sciences (MNCN-CSIC), The authors were supported by the following founding: NC by Wenner-Gren foundation stipend (Sweden, 2014-2016) and a Juan de la Cierva grant (FJCI-2014-23064), EE by a pre-doctoral grant from the Basque Govern- ment (2014-2017), AGB by a Swedish Research Council grant (SMAREF 2014-2016), PRL by a Ramón Areces Foundation Postdoctoral Schol- arship AM by the Univ. of the Basque Country, AMGF and SP by pre-doctoral research grants from the Spanish Ministry of Economy and Competitiveness (Ref: BES-2013-065770, Ref: BES-2012-059743, respectively), and RR by the IMDEA-Water Institute. DOMIPEX project was founded by the First Call of Collaborative Projects among Young Researchers of the Iberian Association of Limnology (AIL, 2013-2015)., Universitat Autònoma de Barcelona [Barcelona] (UAB), Catalan Institute for Water Research (ICRA), and Swiss Federal Institute of Aquatic Science and Technology (EAWAG)
Subjects: 0106 biological sciences, 010504 meteorology & atmospheric sciences, Gross primary production, ecosystem respiration, Biodiversité et Ecologie, STREAMS, Oceanografi, hydrologi och vattenresurser, écosystème, 01 natural sciences, Biodiversity and Ecology, functioning, Oceanography, Hydrology and Water Resources, Limnology, Biologiska vetenskaper, coordinated distributed experiment, ecoregions, ComputingMilieux_MISCELLANEOUS, cours d'eau, 0105 earth and related environmental sciences, ecosystem, 010604 marine biology & hydrobiology, Forestry, 15. Life on land, Biological Sciences, Limnologia, Stream metabolism, gross primary production, ecoregion, season, Geography, 13. Climate action, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, saison, rivière
Abstract: espanolLos ecosistemas fluviales tienen un papel relevante en los ciclos biogeoquimicos globales, ya que procesan el material de la cuenca y lo transportan rio abajo. Sin embargo, los factores que afectan al metabolismo, especialmente aquellos que actuan en una escala espacial mas amplia, todavia no se conocen completamente. Ademas, el metabolismo fluvial puede variar a causa de cambios hidrologicos relacionados con la estacionalidad; lo que tambien hace importante incluir la variabilidad temporal para entender el funcionamiento de los rios. Mediante el uso de un experimento distribuido y coordinado, estudiamos diez rios de cabecera localizados a lo largo de cinco ecoregiones europeas durante verano y otono del 2014. Se midio la magnitud y la variabilidad de la produccion primaria bruta (PPB) y la respiracion ecosistemica (RE) mediante el metodo de canal abierto. Asi mismo, se examinaron los factores climaticos, hidrologico s y fisico-quimicos que potencialmente pueden afectar las tasas metabolicas fl uviales. Las tasas diarias de metabolismo fluvial variaron considerablemente entre rios, con valores de PPB de entre 0.06 a 4.33 g O2 m–2 dia–1, y de RE de entre 0.72 a 14.20 g O2 m–2 dia–1. Todos los rios fueron altamente heterotroficos (P/R EnglishStreams play a key role in the global biogeochemical cycles, processing material from adjacent terrestrial systems and transporting it downstream. However, the drivers of stream metabolism, especially those acting at broad spatial scales, are still not well understood. Moreover, stream metabolism can be affected by hydrological changes associated with seasonality, and thus, assessing the temporality of metabolic rates is a key question to understand stream function. This study aims to analyse the geographical and temporal patterns in stream metabolism and to identify the main drivers regulating the wholeecosystem metabolic rates at local and regional scales. Using a coordinated distributed experiment, we studied ten headwaters streams located across five European ecoregions during summer and fall 2014.We characterized the magnitude and variability of gross primary production (GPP) and ecosystem respiration (ER) with the open-channel method. Moreover, we examined several climatic, geographical, hydrological, morphological, and physicochemical variables that can potentially control stream metabolic rates. Daily rates of stream metabolism varied considerately across streams, with GPP and ER ranging from 0.06 to 4.33 g O2 m–2 d–1 and from 0.72 to 14.20 g O2 m–2 d–1, respectively. All streams were highly heterotrophic (P/R
Published: 2017
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39. Genetic and morphological discrimination of three species of ninespined stickleback Pungitius spp. (Teleostei, Gasterosteidae) in France with the revalidation of Pungitius vulgaris (Mauduyt, 1848)

Author: Justine Fesquet, Matthias F. Geiger, Jörg Freyhof, Henri Persat, Agnès Dettai, Gaël P. J. Denys, Philippe Keith, Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Sorbonne Université (SU)-Université des Antilles (UA)-Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS)-Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Institut de Recherche pour le Développement (IRD), Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés (LEHNA), Centre National de la Recherche Scientifique (CNRS)-Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE), Institut de Systématique, Evolution, Biodiversité (ISYEB ), Muséum national d'Histoire naturelle (MNHN)-École pratique des hautes études (EPHE)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA), Zoologisches Forschungsmuseum Alexander Koenig, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA), Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Sorbonne Université (SU)-Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS), Muséum national d'Histoire naturelle (MNHN)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA), and Université des Antilles (UA)-Centre National de la Recherche Scientifique (CNRS)-École pratique des hautes études (EPHE)-Sorbonne Université (SU)-Muséum national d'Histoire naturelle (MNHN)
Subjects: 0106 biological sciences, 0301 basic medicine, Zoology, [SDV.BID.SPT]Life Sciences [q-bio]/Biodiversity/Systematics, Phylogenetics and taxonomy, 010603 evolutionary biology, 01 natural sciences, 03 medical and health sciences, Pungitius, Genetics, 14. Life underwater, Molecular Biology, Ecology, Evolution, Behavior and Systematics, integrative taxonomy, Hybrid, Teleostei, mitochondrial DNA COI, biology, RNF213, Stickleback, biology.organism_classification, 030104 developmental biology, Morphological analysis, Animal Science and Zoology, Taxonomy (biology), France, Tern, Snout
Abstract: International audience; The taxonomy of French ninespined sticklebacks (Pungitius spp.) has long been controver- sial. To clarify the taxonomy in this group, we use mitochondrial (COI) and nuclear (RNF213) sequence markers, as well as morphological data. In France, both genetic mark- ers discriminate three evolutionary lineages. Morphological analysis on fresh and type specimens supports the different lineages and the existence of three species in France. Pungitius pungitius, occurring in the North of France and Rhone basin, is characterized by specimens longer than 35 mm SL, by a flat head with a straight or slightly concave snout, typically 9–10 dorsal spines, 10–11 dorsal soft rays, 9–10 anal soft rays, 0–12 scutes on the caudal peduncle with a keel reaching the last anal-fin ray, longer pelvic fin, post-dor- sal and caudal peduncle lengths, and a slim caudal peduncle (caudal peduncle depth/ length 11.8%–21.9%). Pungitius laevis, occurring in France, in the English Channel basins and Loire drainage, differs from the other species by a head rounded with concave snout in specimens longer than 35 mm SL, accentuating the impression of fleshy lips, 0–4 scutes on the caudal peduncle and a higher caudal peduncle depth/length ratio (15.7%– 34.5%). Finally, Pungitius vulgaris, endemic to the Vienne River and rivers of south-wes- tern France as far north as the Garonne estuary, is differentiated by a rounded head with a straight or slightly convex snout, the absence of scutes on the caudal peduncle and by having 11 pectoral-fin rays. Our data confirm the existence of a hybridization zone in the North of France between P. pungitius and P. laevis. As a result, Pungitius lotharingus is invalid, as it was described based on hybrid specimens. A lectotype for P. laevis was des- ignated because the syntypes included hybrids. This revision provides new perspectives for evolutionary biology studies and will have consequences for Pungitius conservation in France.
Published: 2017
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40. IRBAS: An online database to collate, analyze, and synthesize data on the biodiversity and ecology of intermittent rivers worldwide

Author: Ken M. Fritz, Thibault Datry, Eric Sauquet, Baptiste Laporte, Catherine Leigh, Hervé Pella, Núria Bonada, Klement Tockner, Milieux aquatiques, écologie et pollutions (UR MALY), Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Centre de Synthèse et d’Analyse sur la Biodiversité (CESAB), Fondation pour la recherche sur la Biodiversité (FRB), Universitat Autònoma de Barcelona [Barcelona] (UAB), University of Cincinnati (UC), Hydrologie-Hydraulique (UR HHLY), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Universitat Autònoma de Barcelona (UAB), and Universitat de Barcelona
Subjects: 0106 biological sciences, temporary river, data sharing, Big data, Biodiversity, Context (language use), Biology, 010603 evolutionary biology, 01 natural sciences, Ecosystem services, Rivers, Data retrieval, aquatic and terrestrial biodiversity, Aquatic biodiversity research, water management, 14. Life underwater, intermittent stream, Ecology, Evolution, Behavior and Systematics, global change, Cursos d'aigua, Nature and Landscape Conservation, Original Research, biodiversity, climatic change, business.industry, Ecology, 010604 marine biology & hydrobiology, BIODIVERSITE, Environmental resource management, Online database, Intercanvi electrònic de dades, 15. Life on land, Biodiversitat, 6. Clean water, COURS D'EAU TEMPORAIRE, Data sharing, 13. Climate action, meta‐analysis, CHANGEMENT CLIMATIQUE, [SDE]Environmental Sciences, Electronic data interchange, ecology, business, ECOLOGIE
Abstract: International audience; Key questions dominating contemporary ecological research and management concern interactions between biodiversity, ecosystem processes, and ecosystem services provision in the face of global change. This is particularly salient for freshwater biodiversity and in the context of river drying and flow-regime change. Rivers that stop flowing and dry, herein intermittent rivers, are globally prevalent and dynamic ecosystems on which the body of research is expanding rapidly, consistent with the era of big data. However, the data encapsulated by this work remain largely fragmented, limiting our ability to answer the key questions beyond a case-by-case basis. To this end, the Intermittent River Biodiversity Analysis and Synthesis (IRBAS; http://irbas.cesab.org) project has collated, analyzed, and synthesized data from across the world on the biodiversity and environmental characteristics of intermittent rivers. The IRBAS database integrates and provides free access to these data, contributing to the growing, and global, knowledge base on these ubiquitous and important river systems, for both theoretical and applied advancement. The IRBAS database currently houses over 2000 data samples collected from six countries across three continents, primarily describing aquatic invertebrate taxa inhabiting intermittent rivers during flowing hydrological phases. As such, there is room to expand the biogeographic and taxonomic coverage, for example, through addition of data collected during nonflowing and dry hydrological phases. We encourage contributions and provide guidance on how to contribute and access data. Ultimately, the IRBAS database serves as a portal, storage, standardization, and discovery tool, enabling collation, synthesis, and analysis of data to elucidate patterns in river biodiversity and guide management. Contribution creates high visibility for datasets, facilitating collaboration.The IRBAS database will grow in content as the study of intermittent rivers continues and data retrieval will allow for networking, meta-analyses, and testing of generalizations across multiple systems, regions, and taxa.
Published: 2017
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41. Taxonomical resolution and distribution of bacterioplankton along the vertical gradient reveals pronounced spatio-temporal patterns in contrasted temperate freshwater Lakes

Author: Frenken, Thijs, Alacid, Elisabet, Berger, Stella, Bourne, Elizabeth, Gerphagnon, Mélanie, Grossart, Hans-Peter, Gsell, Alena, Ibelings, Bas, Kagami, Maiko, Küpper, Frithjof, Letcher, Peter, Loyau, Adeline, Miki, Takeshi, Nejstgaard, Jens, Rasconi, Serena, Reñé, Albert, Rohrlack, Thomas, Rojas-Jimenez, Keilor, Schmeller, Dirk, Scholz, Bettina, Seto, Kensuke, Sukenik, Assaf, Van de Waal, Dedmer, Van den Wyngaert, Silke, van Donk, Ellen, Wolinska, Justyna, Wurzbacher, Christian, Agha, Ramsy, Keshri, J., Pradeep Ram, A., Nana, P., Sime-Ngando, Télesphore, Laboratoire Microorganismes : Génome et Environnement (LMGE), Université Clermont Auvergne [2017-2020] (UCA [2017-2020])-Centre National de la Recherche Scientifique (CNRS), Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Université d'Auvergne - Clermont-Ferrand I (UdA)-Centre National de la Recherche Scientifique (CNRS), Limnology of Stratified Lakes, IGB-Neuglobsow, Department of Environmental Sciences, Faculty of Science Engineering, Tokyo, University of Aberdeen, Helmholtz Centre for Environmental Research (UFZ), Institute of Marine Sciences / Institut de Ciències del Mar [Barcelona] (ICM), Consejo Superior de Investigaciones Científicas [Spain] (CSIC), Israel Oceanographic and Limnological Research - IOLR (ISRAEL), Netherlands Inst Ecol NIOO KNAW, Dept Aquat Ecol, Wageningen, Netherlands, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Laboratoire Microorganismes : Génome et Environnement - Clermont Auvergne (LMGE), and Université Clermont Auvergne (UCA)-Centre National de la Recherche Scientifique (CNRS)
Subjects: 0301 basic medicine, 030106 microbiology, Soil Science, [SDV.MP.PRO]Life Sciences [q-bio]/Microbiology and Parasitology/Protistology, 03 medical and health sciences, Microbial ecology, Sulfurimonas, RNA, Ribosomal, 16S, Proteobacteria, Dominance (ecology), Bacteriophages, 14. Life underwater, Ecosystem, Phylogeny, Ecology, Evolution, Behavior and Systematics, ComputingMilieux_MISCELLANEOUS, Ecological niche, Bacteria, Ecology, biology, Bacteroidetes, Microbiota, Temperature, Biodiversity, Bacterioplankton, Plankton, biology.organism_classification, [SDV.MP.BAC]Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, 6. Clean water, Actinobacteria, Lakes, UniFrac, France, Seasons, Water Microbiology
Abstract: We examined the relationship between viruses and co-occurring bacterial communities across spatiotemporal scale in two contrasting freshwater lakes, namely meromictic Lake Pavin and dimictic Lake Aydat (Central France). Next-generation sequencing of 16S rRNA genes suggested distinct patterns in bacterioplankton community composition (BCC) between the lakes over depths and seasons. BCC were generally dominated by members of Actinobacteria, Proteobacteria, and Bacteroidetes covering about 95% of all sequences. Oxygen depletion at the bottom waters in Aydat and existence of permanent anoxia in the monimolimnion of Pavin resulted in the occurrence and dominance of lesser known members of lake communities such as Methylotenera, Methylobacter, Gallionella, Sulfurimonas, and Syntrophus in Pavin and Methylotenera and Sulfuritalea in Aydat. Differences in BCC appeared strongly related to dissolved oxygen concentration, temperature, viral infection, and virus-to-bacteria ratio. UniFrac analysis indicated a clear distinction in BCC when the percentage of viral infected bacterial cells and virus-to-bacteria ratio exceeded a threshold level of 10% and 5, respectively, suggesting a link between viruses and their potential bacterial host communities. Our study revealed that in both the lakes, the prevailing environmental factors across time and space structured and influenced the adaptation of bacterial communities to specific ecological niches.
Published: 2017
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42. Humic dissolved organic carbon drives oxidative stress and severe fitness impairments in Daphnia

Author: Mark O. Gessner, Justyna Wolinska, Manja Saebelfeld, Laetitia Minguez, Johanna Griebel, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Freie Universität Berlin, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Technische Universität Berlin (TU), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut Ecologie et Environnement (INEE), and Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)
Subjects: 0106 biological sciences, Health, Toxicology and Mutagenesis, Population, Fresh Water, 010501 environmental sciences, Aquatic Science, Biology, 01 natural sciences, Zooplankton, Daphnia, Dissolved organic carbon, Animals, education, Humic Substances, ComputingMilieux_MISCELLANEOUS, 0105 earth and related environmental sciences, education.field_of_study, Ecology, 010604 marine biology & hydrobiology, Aquatic ecosystem, fungi, Plankton, biology.organism_classification, Carbon, Oxidative Stress, Fertility, Environmental chemistry, [SDE]Environmental Sciences, Composition (visual arts), Surface water, Water Pollutants, Chemical
Abstract: Increases in dissolved organic carbon (DOC) in the form of humic substances, causing browning of surface water, have been reported worldwide. Field surveys indicate that higher DOC levels can influence primary production and thus plankton composition. Experimental studies on the direct effects of humic DOC on aquatic organisms have shown varying results depending on concentration and additional environmental factors. Moreover, changes in life-histories and stress responses have usually been tested separately, rather than in combination. We experimentally tested the impact of a sudden increase in humic DOC on two species of the zooplankton cladoceran Daphnia, across several levels of biological organisation, from cellular to population responses. In D. magna, strong impacts on reproduction (delayed maturity and reduced number of offspring) were coupled with overall stress induction (increases in antioxidant capacity and oxidative damage, combined with a reduced amount of available energy). In D. longispina, increased mortality and lowered fecundity were observed. We conclude that a strong input of humic DOC into aquatic systems can have severe negative impacts on zooplankton species, and has the potential to alter zooplankton community structures.
Published: 2017
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43. Small-scale variation in sexual size dimorphism and sex ratio in the aquatic mothAcentria ephemerellaDenis and Schiffermüller, 1775 (Lepidoptera: Crambidae)

Author: Dietmar Straile, Elisabeth M. Gross, Oliver Miler, Department of Ecosystem Research, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association-Leibniz Association, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), and Limnological Institute, University of Konstanz, Konstanz, Germany
Subjects: life history, Acentria ephemerella, biology, Ecology, sex ratio, Aquatic Science, biology.organism_classification, Population density, Lepidoptera, Lepidoptera genitalia, Pupa, Sexual dimorphism, sexual size dimorphism Introduction, Crambidae, ddc:570, Insect Science, [SDE]Environmental Sciences, population dynamics, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Potamogeton, Ecology, Evolution, Behavior and Systematics, Sex ratio
Abstract: International audience; The aquatic herbivorous and capital-breeding moth Acentria ephemerella Denis andSchifferm€uller, 1775 feeds on submerged pondweeds, Potamogeton spp., and is highlypreyed upon by fish in the littoral zone. We studied the spatiotemporal within-lakevariability of length, sexual size dimorphism (SSD) and sex ratio of A. ephemerellapupae and of larval population densities. Population densities at three sampling sitesstrongly increased from July to August and were significantly higher at the Reichenausite in July. Acentria ephemerella sex ratio was male-biased at the G€uttingen andHagnau sites, but showed unbiased or slightly biased sex ratios at Reichenau. TheSSD was strongly female-biased. Female size and SSD declined during summer,possibly due to reduced food quantity/quality. The SSD was highest at Reichenau,with little to no differences between Hagnau and G€uttingen. At Reichenau, the highpopulation size in July coincided with an unbiased sex ratio, and large SSD/femalesize due to multiple, possibly interacting factors, including fish predation.
Published: 2014
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44. Consequences of biodiversity loss for litter decomposition across biomes

Author: Bernhard Schmid, Edwin T. H. M. Peeters, Brendan G. McKie, Stefan Scheu, Rien Aerts, Marika Makkonen, Veronique C. A. Vos, I. Tanya Handa, Jasper van Ruijven, Matty P. Berg, Mark O. Gessner, Eric Chauvet, Björn Malmqvist, Frank Berendse, Olaf Butenschoen, Andreas Bruder, Jérémy Jabiol, Stephan Hättenschwiler, University of Zurich, Hättenschwiler, Stephan, Centre d’Ecologie Fonctionnelle et Evolutive (CEFE), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut National de la Recherche Agronomique (INRA)-Université Paul-Valéry - Montpellier 3 (UPVM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut de Recherche pour le Développement (IRD [France-Sud]), Département des Sciences Biologiques, Université du Québec à Montréal = University of Québec in Montréal (UQAM), VU University Amsterdam, Nature Conservation and Plant Ecology Group, Wageningen University and Research [Wageningen] (WUR), Department of Aquatic Ecology, Swiss Federal institute of aquatic science and technology-IBZ, Institute of Integrative Biology IBZ, J. F. Blumenbach Institute of Zoology and Anthropology, Georg-August-University [Göttingen], Laboratoire Ecologie Fonctionnelle et Environnement (ECOLAB), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), Berlin Institute of Technology, Finnish Environment Institute (SYKE), Department of Ecology and Environmental Science [Umeå], Umeå University, Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), Wageningen University and Research Centre (WUR), Universität Zürich [Zürich] = University of Zurich (UZH), European Science Foundation (ESF) as part of the EUROCORES programme EuroDIVERSITY (BioCycle research project), Centre de Coopération Internationale en Recherche Agronomique - CIRAD (FRANCE), Centre National de la Recherche Scientifique - CNRS (FRANCE), Leibniz-Institut für Gewässerökologie und Binnenfischerei - IGB (GERMANY), Institut National Polytechnique de Toulouse - INPT (FRANCE), Institut National de la Recherche Agronomique - INRA (FRANCE), Institut de Recherche pour le Développement - IRD (FRANCE), Montpellier SupAgro (FRANCE), Finnish Environment Institute - SYKE (FINLAND), Technische Universität Berlin - TU Berlin (GERMANY), Umea University (SWEDEN), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Université de Montpellier 1 (FRANCE), Université de Montpellier 2 (FRANCE), Université du Québec à Montréal - UQAM (CANADA), Wageningen University & Research - WUR (NETHERLANDS), Swiss Federal Institute of Aquatic Science and Technology - EAWAG (SWITZERLAND), Ecole Pratique des Hautes Etudes - EPHE (FRANCE), Georg-August-Universität Göttingen (GERMANY), Sveriges lantbruksuniversitet - SLU (SWEDEN), Eidgenössische Technische Hochschule Zürich - ETHZ (SWITZERLAND), Université de Montpellier 3 (FRANCE), Vrije University Amsterdam - VU (NETHERLANDS), Universität Zürich - UZH (SWITZERLAND), Vrije universiteit = Free university of Amsterdam [Amsterdam] (VU), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE), Systems Ecology, Animal Ecology, and Amsterdam Global Change Institute
Subjects: Nutrient cycle, Aquatic Ecology and Water Quality Management, services, species functional diversity, leaf-litter, Nitrogen, Biodiversité et Ecologie, Biodiversity, ta1171, Plant Ecology and Nature Conservation, Biology, Decomposer, Carbon Cycle, 10127 Institute of Evolutionary Biology and Environmental Studies, traits, Litter, Ecosystem, patterns, 14. Life underwater, Nitrogen cycle, climate, Ecologie, Environnement, Tropical Climate, 1000 Multidisciplinary, Multidisciplinary, WIMEK, Arctic Regions, Ecology, Aquatic ecosystem, Nitrogen Cycle, Plants, 15. Life on land, Plant litter, Aquatische Ecologie en Waterkwaliteitsbeheer, PE&RC, Carbon, 13. Climate action, Biodiversity loss, Plantenecologie en Natuurbeheer, 570 Life sciences, biology, 590 Animals (Zoology), [SDE.BE]Environmental Sciences/Biodiversity and Ecology, ecosystems
Abstract: The decomposition of dead organic matter is a major determinant of carbon and nutrient cycling in ecosystems, and of carbon fluxes between the biosphere and the atmosphere1, 2, 3. Decomposition is driven by a vast diversity of organisms that are structured in complex food webs2, 4. Identifying the mechanisms underlying the effects of biodiversity on decomposition is critical4, 5, 6 given the rapid loss of species worldwide and the effects of this loss on human well-being7, 8, 9. Yet despite comprehensive syntheses of studies on how biodiversity affects litter decomposition4, 5, 6, 10, key questions remain, including when, where and how biodiversity has a role and whether general patterns and mechanisms occur across ecosystems and different functional types of organism4, 9, 10, 11, 12. Here, in field experiments across five terrestrial and aquatic locations, ranging from the subarctic to the tropics, we show that reducing the functional diversity of decomposer organisms and plant litter types slowed the cycling of litter carbon and nitrogen. Moreover, we found evidence of nitrogen transfer from the litter of nitrogen-fixing plants to that of rapidly decomposing plants, but not between other plant functional types, highlighting that specific interactions in litter mixtures control carbon and nitrogen cycling during decomposition. The emergence of this general mechanism and the coherence of patterns across contrasting terrestrial and aquatic ecosystems suggest that biodiversity loss has consistent consequences for litter decomposition and the cycling of major elements on broad spatial scales.
Published: 2014
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45. Harmful effects of silver nanoparticles on a complex detrital model system

Author: Julien Cornut, Ahmed Tlili, Carmen Gil-Allué, Renata Behra, Mark O. Gessner, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Swiss Federal Insitute of Aquatic Science and Technology [Dübendorf] (EAWAG), Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Institut Ecologie et Environnement (INEE), Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Terre et Environnement de Lorraine (OTELo), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich), Ecole Polytechnique Fédérale de Lausanne (EPFL), and Technische Universität Berlin (TU)
Subjects: Geologic Sediments, Silver, Microbial Consortia, Biomedical Engineering, Metal Nanoparticles, community nanotoxicology, stream ecosystem, 02 engineering and technology, litter decomposition, 010501 environmental sciences, Bacterial growth, Biology, extracellular enzymatic activities, Toxicology, 01 natural sciences, Silver nanoparticle, chemistry.chemical_compound, Botany, Extracellular, Bacterial and fungal growth, Chelation, Cysteine, Ecosystem, Environmental Restoration and Remediation, 0105 earth and related environmental sciences, Ions, Models, Theoretical, 021001 nanoscience & nanotechnology, Acute toxicity, Plant Leaves, Silver nitrate, chemistry, Solubility, 13. Climate action, Toxicity, [SDE]Environmental Sciences, Biophysics, Silver Nitrate, Leucine, 0210 nano-technology
Abstract: International audience; The rapid proliferation of silver nanoparticles (AgNP) in industry and the environment requires realistic toxicity assessments based on approaches that consider the biological complexity of ecosystems. Here we assessed the acute toxicity of carbonate-coated AgNP and, for comparison, AgNO3 (Ag(+)) by using a model system consisting of decomposing plant litter and the associated fungal and bacterial decomposers as central players in the functioning of stream ecosystems. Little variation in size and surface charge during the experiment indicated that the AgNP used were essentially stable. AgNP disrupted bacterial growth (≤83% reduction in protein biosynthesis, EC50 = 0.3 μM), clearly affected fungal growth (≤61% reduction in ergosterol synthesis, EC50 = 47 μM) with both endpoints more sensitive to AgNP than to Ag(+). Fungal reproduction, in contrast, was stimulated by AgNP, but not Ag(+), at concentrations up to 25 μM. Both AgNP and Ag(+ )also stimulated extracellular alkaline phosphatase but reduced leucine aminopeptidase, whereas β-glucosidase was stimulated by AgNP and reduced by Ag(+). Importantly, the provision of cysteine, a chelating ligand that complexes free Ag(+), failed to alleviate AgNP toxicity to microbial growth, clearly demonstrating particle-mediated toxicity independent of the presence of ionic silver. This contrasts with the observed inhibition of leucine aminopeptidase by Ag(+), which accounted for 2-6% of the total silver in treatments receiving AgNP. These results show that although outcomes of AgNP and Ag(+ )exposure assessed by different functional endpoints vary widely, AgNP strongly interferes with bacterial growth and a range of other microbial processes, resulting in severe consequences for natural microbial communities and ecosystem functioning.
Published: 2016
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46. Stream solute tracer timescales changing with discharge and reach length confound process interpretation

Author: Schmadel, N.M., Ward, A.S., Kurz, M.J., Fleckenstein, J.H., Zarnetske, J.P., Hannah, D.M., Blume, T., Vieweg, M., Blaen, P.J., Schmidt, C., Knapp, J.L.A., Klaar, M.J., Romeijn, P., Datry, T., Keller, T., Folegot, S., Arricibita, A.I.M., Krause, S., Indiana University [Bloomington], Indiana University System, Helmholtz Centre for Environmental Research (UFZ), Michigan State University [East Lansing], Michigan State University System, University of Birmingham [Birmingham], German Research Centre for Geosciences - Helmholtz-Centre Potsdam (GFZ), Eberhard Karls Universität Tübingen, Milieux aquatiques, écologie et pollutions (UR MALY), Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Helmholtz Zentrum für Umweltforschung = Helmholtz Centre for Environmental Research (UFZ), and Eberhard Karls Universität Tübingen = Eberhard Karls University of Tuebingen
Subjects: COURS D'EAU, solutes, [SDE]Environmental Sciences, TRACEUR, SOLUTE, tracer, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, rivers
Abstract: International audience; Improved understanding of stream solute transport requires meaningful comparison of processes across a wide range of discharge conditions and spatial scales. At reach scales where solute tracer tests are commonly used to assess transport behavior, such comparison is still confounded due to the challenge of separating dispersive and transient storage processes from the influence of the advective timescale that varies with discharge and reach length. To better resolve interpretation of these processes from field-based tracer observations, we conducted recurrent conservative solute tracer tests along a 1 km study reach during a storm discharge period and further discretized the study reach into six segments of similar length but different channel morphologies. The resulting suite of data, spanning an order of magnitude in advective timescales, enabled us to (1) characterize relationships between tracer response and discharge in individual segments and (2) determine how combining the segments into longer reaches influences interpretation of dispersion and transient storage from tracer tests. We found that the advective timescale was the primary control on the shape of the observed tracer response. Most segments responded similarly to discharge, implying that the influence of morphologic heterogeneity was muted relative to advection. Comparison of tracer data across combined segments demonstrated that increased advective timescales could be misinterpreted as a change in dispersion or transient storage. Taken together, our results stress the importance of characterizing the influence of changing advective timescales on solute tracer responses before such reach-scale observations can be used to infer solute transport at larger network scales.
Published: 2016
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47. One for all, all for one: a global river research network

Author: Roland Corti, Arnaud Foulquier, T. Tockner, Thibault Datry, D. von Schiller, Milieux aquatiques, écologie et pollutions (UR MALY), Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Laboratoire d'Ecologie Alpine (LECA), Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Université Joseph Fourier - Grenoble 1 (UJF)-Université Grenoble Alpes (UGA), Universidad del Pais Vasco / Euskal Herriko Unibertsitatea [Espagne] (UPV/EHU), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Laboratoire d'Ecologie Alpine (LECA ), and Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])
Subjects: 0106 biological sciences, Hydrology, 010504 meteorology & atmospheric sciences, ComputingMilieux_THECOMPUTINGPROFESSION, ComputingMethodologies_SIMULATIONANDMODELING, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, 01 natural sciences, 6. Clean water, GeneralLiterature_MISCELLANEOUS, COURS D'EAU TEMPORAIRE, 010601 ecology, Current (stream), River network, General Earth and Planetary Sciences, Environmental science, intermittent stream, ecology, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, Water resource management, ECOLOGIE, 0105 earth and related environmental sciences, ComputingMethodologies_COMPUTERGRAPHICS
Abstract: International audience; Intermittent rivers are an increasing share of the world's river network, but current models don't include them. One research network is gathering knowledge about these rivers from around the world.
Published: 2016
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48. The Physarum polycephalum Genome Reveals Extensive Use of Prokaryotic Two-Component and Metazoan-Type Tyrosine Kinase Signaling

Author: Mareike Schallenberg-Rüdinger, Chrystelle Maric, Michael Schleicher, Catrina Fronick, Kenneth B. Storey, Reema Singh, Ralf Bundschuh, Laura F. Landweber, Thomas Winckler, Niels Jahn, Marianne Bénard, Gérard Pierron, Chad Tomlinson, Angelika A. Noegel, Ernst R. Werner, Kyle K. Biggar, Pauline Schaap, Roger W. Anderson, Narie Sasaki, Gernot Glöckner, Georg Golderer, Rob Peace, Jonatha M. Gott, Takamasa Suzuki, Nicolas E. Buchler, Dennis L. Miller, Wesley C. Warren, Richard K. Wilson, Patrick Minx, Xiao Chen, John J. Tyson, Taeko Sasaki, Thomas Spaller, Volker Knoop, Lucinda Fulton, Israel Barrantes, Wolfgang Marwan, Gabriele Werner-Felmayer, University of Dundee, Otto-von-Guericke University [Magdeburg] (OVGU), Washington University School of Medecine [Saint Louis, MO], Nagoya (NAGOYA), Nagoya University, University of Sheffield [Sheffield], Laboratoire de Biologie du Développement (LBD), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut de Biologie Paris Seine (IBPS), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), University of Western Ontario (UWO), Duke University [Durham], Ohio State University [Columbus] (OSU), Princeton University, Universität Innsbruck [Innsbruck], Fritz Lipmann Institute, Rheinische Friedrich-Wilhelms-Universität Bonn, Institut Jacques Monod (IJM (UMR_7592)), Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), University of Texas at Dallas [Richardson] (UT Dallas), University of Cologne, Carleton University, Ludwig-Maximilians-Universität München (LMU), Friedrich-Schiller-Universität = Friedrich Schiller University Jena [Jena, Germany], Virginia Polytechnic Institute and State University [Blacksburg], Case Western Reserve University [Cleveland], Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Otto-von-Guericke-Universität Magdeburg = Otto-von-Guericke University [Magdeburg] (OVGU), Washington University School of Medicine [Saint Louis, MO], Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Washington University School of Medecine, and Friedrich-Schiller-Universität Jena
Subjects: 0301 basic medicine, Opisthokont, [SDV]Life Sciences [q-bio], Protozoan Proteins, Cell Cycle Proteins, Physarum polycephalum, Biology, Genome, Receptor tyrosine kinase, Evolution, Molecular, 03 medical and health sciences, Genetics, Ecology, Evolution, Behavior and Systematics, phytochrome, Physarum, Histidine kinase, Receptor Protein-Tyrosine Kinases, biology.organism_classification, Amoebozoa, 030104 developmental biology, two-component system, Genetic Loci, Horizontal gene transfer, biology.protein, Pentatricopeptide repeat, tyrosine kinase receptor, signaling, Transcriptome, Genome, Protozoan, Research Article, Signal Transduction
Abstract: Physarum polycephalum is a well-studied microbial eukaryote with unique experimental attributes relative to other experimental\ud model organisms. It has a sophisticated life cycle with several distinct stages including amoebal, flagellated, and plasmodial cells. It is\ud unusual in switching between open and closed mitosis according to specific life-cycle stages. Here we present the analysis of the\ud genome of this enigmatic and important model organism and compare it with closely related species. The genome is littered with\ud simple and complex repeats and the coding regions are frequently interrupted by introns with a mean size of 100 bases.\ud Complemented with extensive transcriptome data, we define approximately 31,000 gene loci, providing unexpected insights into\ud earlyeukaryoteevolution.Wedescribeextensiveuseofhistidinekinase-basedtwo-componentsystemsandtyrosinekinasesignaling,\ud the presence of bacterial and plant type photoreceptors (phytochromes, cryptochrome, and phototropin) and of plant-type pentatricopeptide\ud repeat proteins, as well as metabolic pathways, and a cell cycle control system typically found in more complex eukaryotes.\ud Our analysis characterizes P. polycephalum as a prototypical eukaryote with features attributed to the last common ancestor of\ud Amorphea, that is, the Amoebozoa and Opisthokonts. Specifically, the presence of tyrosine kinases inAcanthamoeba and Physarum\ud as representatives of two distantly related subdivisions ofAmoebozoa argues against the later emergence of tyrosine kinase signaling\ud in the opisthokont lineage and also against the acquisition by horizontal gene transfer
Published: 2016
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49. Les communautés d'invertébrés à lit de gravier, rivières tressés sont très résistants à l'écoulement intermittence

Author: Vander Vorste, R., Corti, R., Sagouis, A., Datry, T., Milieux aquatiques, écologie et pollutions (UR MALY), Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Hydrobiologie (UR HYAX), and Laboratoire d'ingénierie pour les systèmes complexes (UR LISC)
Subjects: COURS D'EAU ALLUVIAL, GRAVEL, INVERTEBRE, INTERMITTENT STREAM, ECOLOGICAL RESILIENCE, HYPORHEIC ZONE, GRAVIER, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, ZONE HYPORHEIQUE, INVERTEBRATES, RESILIENCE ECOLOGIQUE, COURS D'EAU TEMPORAIRE
Abstract: International audience; In naturally disturbed systems, harsh environmental conditions act as filters on the regional species pool, restricting the number of taxa able to form a local community to those with traits promoting resistance or resilience. Thus, communities in highly disturbed ecosystems may be less sensitive to a given disturbance than those in less disturbed ecosystems. We explored this idea by examining the response of aquatic invertebrate communities to flow intermittence in gravel-bed, braided rivers (BRs). Flow intermittence is considered a major driver of communities in rivers, but its influence on communities in BRs, which are recognized as naturally highly disturbed environments, is relatively unexplored. We used a multisite Before-After–Control- Impact (BACI) design to quantify the effects of drying events of different durations (moderate: 2–3 wk, severe:1–3 mo) on invertebrate communities in 8 BRs in southeastern France. As predicted, no effects of flow intermittence were detected 1 to 4 mo after flow resumption on taxonomic richness, composition, or functional diversity of communities facing moderate drying events. Communities subjected to severe drying events were similar to those in perennial reaches as few as 19 d after flow resumption. Moreover, communities showed functional redundancy and no loss of functional diversity after drying events. These results differ from those of studies in other river systems, where persistent effects of flow intermittence on communities generally have been found, and highlight the need for cross-system comparisons that explore the effects of drying on communities. Identifying the processes (e.g., niche selection, cotolerance) and habitat features (e.g., hyporheic zone refugia) that promote community resilience in BRs will advance our understanding of how anthropogenic stressors and climate change may affect communities in freshwater ecosystems.
Published: 2016
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50. The paradoxical extinction of the most charismatic animals

Author: Ivan Jarić, Céline Albert, William J. Ripple, Franck Courchamp, Guillaume Chapron, Yves Meinard, Ecologie Systématique et Evolution (ESE), Université Paris-Sud - Paris 11 (UP11)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), Department of Ecology and Evolutionary Biology, Center for Tropical Research, Institute of the Environment and Sustainability, University of California [Los Angeles] (UCLA), University of California-University of California, Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB), Leibniz Association, Laboratoire d'analyse et modélisation de systèmes pour l'aide à la décision (LAMSADE), Université Paris Dauphine-PSL, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), University of Oregon, Okayama University, Department of Wildlife, Fish and Environmental Studies, and Swedish University of Agricultural Sciences (SLU)
Subjects: 0106 biological sciences, Conservation Biology, 010504 meteorology & atmospheric sciences, Elephants, Endangered species, Biodiversity, 01 natural sciences, Biology (General), Tigers, animal extinction, Conservation Science, media_common, Mammals, Marketing, Ecology, Social perception, General Neuroscience, Eukaryota, Social Perception, Perspective, Vertebrates, Apes, Conservation biology, General Agricultural and Biological Sciences, Ursidae, Primates, Lions, Gorillas, Conservation of Natural Resources, Evolutionary Processes, QH301-705.5, media_common.quotation_subject, Giraffes, Biology, Extinction, Biological, 010603 evolutionary biology, General Biochemistry, Genetics and Molecular Biology, charismatic species, Perception, Development economics, Animals, Panthera, [INFO]Computer Science [cs], Species Extinction, 0105 earth and related environmental sciences, Evolutionary Biology, Gorilla gorilla, Wolves, Extinction, General Immunology and Microbiology, Ecology and Environmental Sciences, Endangered Species, Charismatic megafauna, Organisms, Biology and Life Sciences, Amniotes, Threatened species, Cats, Acinonyx, [SDE.BE]Environmental Sciences/Biodiversity and Ecology
Abstract: International audience; A widespread opinion is that conservation efforts disproportionately benefit charismatic species. However, this doesn’t mean that they are not threatened, and which species are “charismatic” remains unclear. Here, we identify the 10 most charismatic animals and show that they are at high risk of imminent extinction in the wild. We also find that the public ignores these animals’ predicament and we suggest it could be due to the observed biased perception of their abundance, based more on their profusion in our culture than on their natural populations. We hypothesize that this biased perception impairs conservation efforts because people are unaware that the animals they cherish face imminent extinction and do not perceive their urgent need for conservation. By freely using the image of rare and threatened species in their product marketing, many companies may participate in creating this biased perception, with unintended detrimental effects on conservation efforts, which should be compensated by channeling part of the associated profits to conservation. According to our hypothesis, this biased perception would be likely to last as long as the massive cultural and commercial presence of charismatic species is not accompanied by adequate information campaigns about the imminent threats they face.
Published: 2018
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