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201. Additional file 2 of Frequency of occurrence and habitat selection shape the spatial variation in the antibiotic resistome in riverine ecosystems in eastern China

Author

Jiang, Chunxia, Chen, Haiyang, Grossart, Hans-Peter, Zhang, Quanfa, Stoks, Robby, Zhao, Yi, Ju, Feng, Liu, Wenzhi, and Yang, Yuyi

Abstract

Additional file 2: Fig. S1Number (a) and relative abundance (b) of ARGs detected inriverine ecosystems of eastern China. R represents rhizosphere soil; SBrepresents surface bulk soil (0-20 cm below bulk soil surface); BB represents bottombulk soil (40-60 cm below bulk soil surface); S represents sediment (0-20 cmbelow sediment surface); SR and NR represent rhizosphere soil in the south andnorth, respectively; SSB and NSB represent surface bulk soil (0-20 cm belowbulk soil surface) in the south and north, respectively; SBB and NBB represent bottombulk soil (40-60 cm below bulk soil surface) in the south and north,respectively; SS and NS represent sediment (0-20 cm below sediment surface) inthe south and north, respectively. MLS representmacrolides-lincosamides-streptogramines. Fig.S2. Proportion of detected ARGsin terms of number (a) and relative abundance (b). (Forabbreviations, see legend of Fig. S1). Fig. S3. Relative abundance ofcore ARGs in the riverine ecosystems of eastern China. (For abbreviations, seelegend of Fig. S1). Fig. S3. Relative abundance of core ARGs in the riverineecosystems of eastern China. (For abbreviations, see legend of Fig. S1). Fig.S4. The standard deviation of ARG abundance (a) and subtype number (b)in the riverine ecosystems of eastern China. (For abbreviations, see legend ofFig. S1). Fig.S5. Proportion of detected ARGs (number (a) and abundance (b)) in different habitats in the riverine ecosystem of easternChina. (For abbreviations, see legend of Fig. S1). Fig. S6. Influence of vegetation richness, coverage and plant biomasson ARG abundance. (For abbreviations, see legend of Fig. S1). Fig. S7. SPEC-OCCU plots showing ARGs that differ between two defined groups (i.e. SR vs. SSB&SBB, NR vs. NSB&NBB); the x-axis represents occupancy, i.e. how well an ARG is distributed across all sites of each group; and the y-axis represents specificity, i.e. whether ARGs are also found in other groups. (For abbreviations, see legend of Fig. S1).Fig. S8. RDA of ARGs and physiochemical variables controlling ARGs in different habitats (rhizosphere (R), surface bulk soil (SB), bottom bulk soil (BB), and sediment (S)). Note: *0.01 < P < 0.05, **P < 0.01. (For abbreviations, see legend of Fig. S1). Fig. S9. Network diagrams showing the correlation of individual ARGs and individual parameters in the different habitats. Blue and red lines represent negative and positive relationships, respectively (ρ > 0.8 or ρ < -0.8, P > 0.01). (The complement of Fig. 7). (For abbreviations, see legend of Fig. S1).

Published
2022
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202. Microbial trait-based approaches for agroecosystems

Author

Krause, Sascha, Bertilsson, S.A., Grossart, Hans-Peter, Bodelier, Paul, van Bodegom, Peter M., Lennon, J.T., Philippot, Laurent, Le Roux, X., Sparks, Donald L., and Microbial Ecology (ME)

Subjects
Innovative agricultural practices, Plant-soil feedbacks, Ecological theory, Agriculture, Microbial functional diversity, Soil functions, Microbiome-associated plant phenotypes
Abstract

Conventional agricultural practices negatively impact soil biodiversity, carbon stocks, and greenhouse gas emissions in ways that make them unsustainable for supporting future supply of food and fiber. Better management of agrobiodiversity will likely play a critical role in transitioning toward more sustainable practices. In particular, innovation and developments targeting the aboveground and belowground components of agroecosystems should be informed by frameworks and approaches that harness the—in particular functional—diversity of complex microbial communities. Here, we review and discuss microbial trait-based approaches that will help us understand and steer agroecosystem functioning in the face of global change. We highlight how trait-based approaches can improve agricultural practices related to soil functioning (e.g., soil fertility and aggregation); climate regulation (e.g., carbon storage and greenhouse gas emissions) and adaptation to climate change; plant health; and reduction of contaminant-related hazards for human health. We also consider how microbial trait-based approaches can be used as a tool to improve cultivated plant performance through artificial selection and microbiome engineering. Last, we discuss the inherent obstacles associated with the development and implementation of trait-based approaches owing to strong interactions within microbial communities and linkages between plants and the soil environment. Despite these obstacles, microbial trait-based approaches hold promise for the sustainable management of agricultural ecosystems needed to feed and nourish a rapidly growing human population.

Published
2022

203. Can space-for-time-substitution surveys represent zooplankton biodiversity patterns and their relationship to environmental drivers?

Author

Stockwell, Jason, Ivanick, Lia, Chiapella, Ariana, Vichi, Cecilia, Grossart, Hans-Peter, Zagarese, Horacio, Diovisalvi, Nadia, Odriozola, Mariana, Gideon, Gal, Geraldes, Ana Maria, Christoffersen, Kirsten Seestern, Sarvala, Jouko, Blank, Kätlin, Beklioğlu, Meryem, Kainz, Martin, Bruel, Rosalie, Ger, Kemal Ali, Matsuzaki, Shin-Ichiro, Khan, Samiullah, Nejstgaard, Jens, Znachor, Petr, Seda, Jaromír, Obertegger, Ulrike, Salmaso, Nico, García-Girón, Jorge, Leoni, Barbara, Jeppesen, Erik, Tavşanoğlu, Ülkü Nihan, Rusanovskaya, Olga O., Tartarotti, Barbara, Dur, Gaël, Kuczyńska-Kippen, Natalia, Dondajewska-Pielka, Renata, Eyto, Elvira de, Thackeray, Stephen, Garcia de Souza, Javier R., Rusak, James A., Moe, Jannicke, Figary, Stephanie, May, Linda, Gunn, Iain, Doubek, Jonathan, Symons, Celia C., Burnet, Sarah, Lepori, Fabio, Alcocer, Javier, Fernández, Rocío, Oseguera, Luis A., Verburg, Piet, and Fontanarrosa, María Soledad

Subjects
Space-for-Time-Substitution, Lago di Tovel, Zooplancton, Space for time, Settore BIO/07 - ECOLOGIA
Abstract

Space-for-Time-Substitution surveys (SFTS) are commonly used to describe zooplankton community dynamics and to determine lake ecosystem health. SFTS surveys typically combine single point observations from many lakes to evaluate the response of zooplankton community structure and dynamics (e.g., species abundance and biomass, diversity, demographics and modeled rate processes) to spatial gradients in hypothesized environmental drivers (e.g., temperature, nutrients, predation), in lieu of tracking such responses over long time scales. However, the reliability and reproducibility of SFTS zooplankton surveys have not yet been comprehensively tested against empirically-based community dynamics from longterm monitoring efforts distributed worldwide. We use a recently compiled global data set of more than 100 lake zooplankton time series to test whether SFTS surveys can accurately capture zooplankton diversity, and the hypothesized relationship with temperature, using simulated SFTS surveys of the time series data. Specifically, we asked: (1) to what degree can SFTS surveys capture observed biodiversity dynamics; (2) how does timing and duration of sampling affect detected biodiversity patterns; (3) does biodiversity ubiquitously increase with temperature across lakes, or vary by climate zone or lake type; and (4) do results from SFTS surveys produce comparable biodiversity-temperature relationship(s) to empirical data within and among lakes? Testing biodiversity-ecosystem function (BEF) relationships, and the drivers of such relationships, requires a solid data basis. Our work provides a global perspective on the design and usefulness of (long-term) zooplankton monitoring programs and how much confidence we can place in the zooplankton biodiversity patterns observed from SFTS surveys. info:eu-repo/semantics/publishedVersion

Published
2022

213. Cover Image

Author

Maasri, Alain, primary, Jähnig, Sonja C., additional, Adamescu, Mihai C., additional, Adrian, Rita, additional, Baigun, Claudio, additional, Baird, Donald J., additional, Batista‐Morales, Angelica, additional, Bonada, Núria, additional, Brown, Lee E., additional, Cai, Qinghua, additional, Campos‐Silva, Joao V., additional, Clausnitzer, Viola, additional, Contreras‐MacBeath, Topiltzin, additional, Cooke, Steven J., additional, Datry, Thibault, additional, Delacámara, Gonzalo, additional, De Meester, Luc, additional, Dijkstra, Klaus‐Douwe B., additional, Do, Van Tu, additional, Domisch, Sami, additional, Dudgeon, David, additional, Erös, Tibor, additional, Freitag, Hendrik, additional, Freyhof, Joerg, additional, Friedrich, Jana, additional, Friedrichs‐Manthey, Martin, additional, Geist, Juergen, additional, Gessner, Mark O., additional, Goethals, Peter, additional, Gollock, Matthew, additional, Gordon, Christopher, additional, Grossart, Hans‐Peter, additional, Gulemvuga, Georges, additional, Gutiérrez‐Fonseca, Pablo E., additional, Haase, Peter, additional, Hering, Daniel, additional, Hahn, Hans Jürgen, additional, Hawkins, Charles P., additional, He, Fengzhi, additional, Heino, Jani, additional, Hermoso, Virgilio, additional, Hogan, Zeb, additional, Hölker, Franz, additional, Jeschke, Jonathan M., additional, Jiang, Meilan, additional, Johnson, Richard K., additional, Kalinkat, Gregor, additional, Karimov, Bakhtiyor K., additional, Kasangaki, Aventino, additional, Kimirei, Ismael A., additional, Kohlmann, Bert, additional, Kuemmerlen, Mathias, additional, Kuiper, Jan J., additional, Kupilas, Benjamin, additional, Langhans, Simone D., additional, Lansdown, Richard, additional, Leese, Florian, additional, Magbanua, Francis S., additional, Matsuzaki, Shin‐ichiro S., additional, Monaghan, Michael T., additional, Mumladze, Levan, additional, Muzon, Javier, additional, Mvogo Ndongo, Pierre A., additional, Nejstgaard, Jens C., additional, Nikitina, Oxana, additional, Ochs, Clifford, additional, Odume, Oghenekaro Nelson, additional, Opperman, Jeffrey J., additional, Patricio, Harmony, additional, Pauls, Steffen U., additional, Raghavan, Rajeev, additional, Ramírez, Alonso, additional, Rashni, Bindiya, additional, Ross‐Gillespie, Vere, additional, Samways, Michael J., additional, Schäfer, Ralf B., additional, Schmidt‐Kloiber, Astrid, additional, Seehausen, Ole, additional, Shah, Deep Narayan, additional, Sharma, Subodh, additional, Soininen, Janne, additional, Sommerwerk, Nike, additional, Stockwell, Jason D., additional, Suhling, Frank, additional, Tachamo Shah, Ram Devi, additional, Tharme, Rebecca E., additional, Thorp, James H., additional, Tickner, David, additional, Tockner, Klement, additional, Tonkin, Jonathan D., additional, Valle, Mireia, additional, Vitule, Jean, additional, Volk, Martin, additional, Wang, Ding, additional, Wolter, Christian, additional, and Worischka, Susanne, additional

Published
2022
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215. Significant organic carbon acquisition byProchlorococcusin the oceans

Author

Wu, Zhen, primary, Aharonovich, Dikla, additional, Roth-Rosenberg, Dalit, additional, Weissberg, Osnat, additional, Luzzatto-Knaan, Tal, additional, Vogts, Angela, additional, Zoccarato, Luca, additional, Eigemann, Falk, additional, Grossart, Hans-Peter, additional, Voss, Maren, additional, Follows, Michael J., additional, and Sher, Daniel, additional

Published
2022
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220. A global agenda for advancing freshwater biodiversity research

Author

Maasri, Alain, primary, Jähnig, Sonja C., additional, Adamescu, Mihai C., additional, Adrian, Rita, additional, Baigun, Claudio, additional, Baird, Donald J., additional, Batista‐Morales, Angelica, additional, Bonada, Núria, additional, Brown, Lee E., additional, Cai, Qinghua, additional, Campos‐Silva, Joao V., additional, Clausnitzer, Viola, additional, Contreras‐MacBeath, Topiltzin, additional, Cooke, Steven J., additional, Datry, Thibault, additional, Delacámara, Gonzalo, additional, De Meester, Luc, additional, Dijkstra, Klaus‐Douwe B., additional, Do, Van Tu, additional, Domisch, Sami, additional, Dudgeon, David, additional, Erös, Tibor, additional, Freitag, Hendrik, additional, Freyhof, Joerg, additional, Friedrich, Jana, additional, Friedrichs‐Manthey, Martin, additional, Geist, Juergen, additional, Gessner, Mark O., additional, Goethals, Peter, additional, Gollock, Matthew, additional, Gordon, Christopher, additional, Grossart, Hans‐Peter, additional, Gulemvuga, Georges, additional, Gutiérrez‐Fonseca, Pablo E., additional, Haase, Peter, additional, Hering, Daniel, additional, Hahn, Hans Jürgen, additional, Hawkins, Charles P., additional, He, Fengzhi, additional, Heino, Jani, additional, Hermoso, Virgilio, additional, Hogan, Zeb, additional, Hölker, Franz, additional, Jeschke, Jonathan M., additional, Jiang, Meilan, additional, Johnson, Richard K., additional, Kalinkat, Gregor, additional, Karimov, Bakhtiyor K., additional, Kasangaki, Aventino, additional, Kimirei, Ismael A., additional, Kohlmann, Bert, additional, Kuemmerlen, Mathias, additional, Kuiper, Jan J., additional, Kupilas, Benjamin, additional, Langhans, Simone D., additional, Lansdown, Richard, additional, Leese, Florian, additional, Magbanua, Francis S., additional, Matsuzaki, Shin‐ichiro S., additional, Monaghan, Michael T., additional, Mumladze, Levan, additional, Muzon, Javier, additional, Mvogo Ndongo, Pierre A., additional, Nejstgaard, Jens C., additional, Nikitina, Oxana, additional, Ochs, Clifford, additional, Odume, Oghenekaro Nelson, additional, Opperman, Jeffrey J., additional, Patricio, Harmony, additional, Pauls, Steffen U., additional, Raghavan, Rajeev, additional, Ramírez, Alonso, additional, Rashni, Bindiya, additional, Ross‐Gillespie, Vere, additional, Samways, Michael J., additional, Schäfer, Ralf B., additional, Schmidt‐Kloiber, Astrid, additional, Seehausen, Ole, additional, Shah, Deep Narayan, additional, Sharma, Subodh, additional, Soininen, Janne, additional, Sommerwerk, Nike, additional, Stockwell, Jason D., additional, Suhling, Frank, additional, Tachamo Shah, Ram Devi, additional, Tharme, Rebecca E., additional, Thorp, James H., additional, Tickner, David, additional, Tockner, Klement, additional, Tonkin, Jonathan D., additional, Valle, Mireia, additional, Vitule, Jean, additional, Volk, Martin, additional, Wang, Ding, additional, Wolter, Christian, additional, and Worischka, Susanne, additional

Published
2021
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225. Oxic and Anoxic Organic Polymer Degradation Potential of Endophytic Fungi From the Marine Macroalga, Ecklonia radiata

Author

Perkins, Anita (PhD), Rose, Andrew (PhD), Grossart, Hans-Peter F. (Prof. Dr.), Rojas-Jimenez, Keilor Osvaldo (PhD), Barroso Prescott, Selva Kiri, Oakes, Joanne M. (PhD), Roleda, Michael Yu (Dr. rer. nat.), Labes, Antje (Prof. Dr.), and Hassett, Brandon T. (PhD)

Subjects
ddc:570, fungi, Institut für Biochemie und Biologie, Extern
Abstract

Cellulose and chitin are the most abundant polymeric, organic carbon source globally. Thus, microbes degrading these polymers significantly influence global carbon cycling and greenhouse gas production. Fungi are recognized as important for cellulose decomposition in terrestrial environments, but are far less studied in marine environments, where bacterial organic matter degradation pathways tend to receive more attention. In this study, we investigated the potential of fungi to degrade kelp detritus, which is a major source of cellulose in marine systems. Given that kelp detritus can be transported considerable distances in the marine environment, we were specifically interested in the capability of endophytic fungi, which are transported with detritus, to ultimately contribute to kelp detritus degradation. We isolated 10 species and two strains of endophytic fungi from the kelp Ecklonia radiata. We then used a dye decolorization assay to assess their ability to degrade organic polymers (lignin, cellulose, and hemicellulose) under both oxic and anoxic conditions and compared their degradation ability with common terrestrial fungi. Under oxic conditions, there was evidence that Ascomycota isolates produced cellulose-degrading extracellular enzymes (associated with manganese peroxidase and sulfur-containing lignin peroxidase), while Mucoromycota isolates appeared to produce both lignin and cellulose-degrading extracellular enzymes, and all Basidiomycota isolates produced lignin-degrading enzymes (associated with laccase and lignin peroxidase). Under anoxic conditions, only three kelp endophytes degraded cellulose. We concluded that kelp fungal endophytes can contribute to cellulose degradation in both oxic and anoxic environments. Thus, endophytic kelp fungi may play a significant role in marine carbon cycling via polymeric organic matter degradation.

Published
2021

231. Stratification strength and light climate explain variation in chlorophyll a at the continental scale in a European multilake survey in a heatwave summer

Author

Donis, Daphne, primary, Mantzouki, Evanthia, additional, McGinnis, Daniel F., additional, Vachon, Dominic, additional, Gallego, Irene, additional, Grossart, Hans‐Peter, additional, de Senerpont Domis, Lisette N., additional, Teurlincx, Sven, additional, Seelen, Laura, additional, Lürling, Miquel, additional, Verstijnen, Yvon, additional, Maliaka, Valentini, additional, Fonvielle, Jeremy, additional, Visser, Petra M., additional, Verspagen, Jolanda, additional, van Herk, Maria, additional, Antoniou, Maria G., additional, Tsiarta, Nikoletta, additional, McCarthy, Valerie, additional, Perello, Victor C., additional, Machado‐Vieira, Danielle, additional, de Oliveira, Alinne Gurjão, additional, Maronić, Dubravka Špoljarić, additional, Stević, Filip, additional, Pfeiffer, Tanja Žuna, additional, Vucelić, Itana Bokan, additional, Žutinić, Petar, additional, Udovič, Marija Gligora, additional, Plenković‐Moraj, Anđelka, additional, Bláha, Luděk, additional, Geriš, Rodan, additional, Fránková, Markéta, additional, Christoffersen, Kirsten Seestern, additional, Warming, Trine Perlt, additional, Feldmann, Tõnu, additional, Laas, Alo, additional, Panksep, Kristel, additional, Tuvikene, Lea, additional, Kangro, Kersti, additional, Koreivienė, Judita, additional, Karosienė, Jūratė, additional, Kasperovičienė, Jūratė, additional, Savadova‐Ratkus, Ksenija, additional, Vitonytė, Irma, additional, Häggqvist, Kerstin, additional, Salmi, Pauliina, additional, Arvola, Lauri, additional, Rothhaupt, Karl, additional, Avagianos, Christos, additional, Kaloudis, Triantafyllos, additional, Gkelis, Spyros, additional, Panou, Manthos, additional, Triantis, Theodoros, additional, Zervou, Sevasti‐Kiriaki, additional, Hiskia, Anastasia, additional, Obertegger, Ulrike, additional, Boscaini, Adriano, additional, Flaim, Giovanna, additional, Salmaso, Nico, additional, Cerasino, Leonardo, additional, Haande, Sigrid, additional, Skjelbred, Birger, additional, Grabowska, Magdalena, additional, Karpowicz, Maciej, additional, Chmura, Damian, additional, Nawrocka, Lidia, additional, Kobos, Justyna, additional, Mazur‐Marzec, Hanna, additional, Alcaraz‐Párraga, Pablo, additional, Wilk‐Woźniak, Elżbieta, additional, Krztoń, Wojciech, additional, Walusiak, Edward, additional, Gagala‐Borowska, Ilona, additional, Mankiewicz‐Boczek, Joana, additional, Toporowska, Magdalena, additional, Pawlik‐Skowronska, Barbara, additional, Niedźwiecki, Michał, additional, Pęczuła, Wojciech, additional, Napiórkowska‐Krzebietke, Agnieszka, additional, Dunalska, Julita, additional, Sieńska, Justyna, additional, Szymański, Daniel, additional, Kruk, Marek, additional, Budzyńska, Agnieszka, additional, Goldyn, Ryszard, additional, Kozak, Anna, additional, Rosińska, Joanna, additional, Szeląg‐Wasielewska, Elżbieta, additional, Domek, Piotr, additional, Jakubowska‐Krepska, Natalia, additional, Kwasizur, Kinga, additional, Messyasz, Beata, additional, Pełechata, Aleksandra, additional, Pełechaty, Mariusz, additional, Kokocinski, Mikolaj, additional, Madrecka‐Witkowska, Beata, additional, Kostrzewska‐Szlakowska, Iwona, additional, Frąk, Magdalena, additional, Bańkowska‐Sobczak, Agnieszka, additional, Wasilewicz, Michał, additional, Ochocka, Agnieszka, additional, Pasztaleniec, Agnieszka, additional, Jasser, Iwona, additional, Antão‐Geraldes, Ana M., additional, Leira, Manel, additional, Vasconcelos, Vitor, additional, Morais, Joao, additional, Vale, Micaela, additional, Raposeiro, Pedro M., additional, Gonçalves, Vítor, additional, Aleksovski, Boris, additional, Krstić, Svetislav, additional, Nemova, Hana, additional, Drastichova, Iveta, additional, Chomova, Lucia, additional, Remec‐Rekar, Spela, additional, Elersek, Tina, additional, Hansson, Lars‐Anders, additional, Urrutia‐Cordero, Pablo, additional, Bravo, Andrea G., additional, Buck, Moritz, additional, Colom‐Montero, William, additional, Mustonen, Kristiina, additional, Pierson, Don, additional, Yang, Yang, additional, Richardson, Jessica, additional, Edwards, Christine, additional, Cromie, Hannah, additional, Delgado‐Martín, Jordi, additional, García, David, additional, Cereijo, Jose Luís, additional, Gomà, Joan, additional, Trapote, Mari Carmen, additional, Vegas‐Vilarrúbia, Teresa, additional, Obrador, Biel, additional, García‐Murcia, Ana, additional, Real, Monserrat, additional, Romans, Elvira, additional, Noguero‐Ribes, Jordi, additional, Duque, David Parreño, additional, Fernández‐Morán, Elísabeth, additional, Úbeda, Bárbara, additional, Gálvez, José Ángel, additional, Catalán, Núria, additional, Pérez‐Martínez, Carmen, additional, Ramos‐Rodríguez, Eloísa, additional, Cillero‐Castro, Carmen, additional, Moreno‐Ostos, Enrique, additional, Blanco, José María, additional, Rodríguez, Valeriano, additional, Montes‐Pérez, Jorge Juan, additional, Palomino, Roberto L., additional, Rodríguez‐Pérez, Estela, additional, Hernández, Armand, additional, Carballeira, Rafael, additional, Camacho, Antonio, additional, Picazo, Antonio, additional, Rochera, Carlos, additional, Santamans, Anna C., additional, Ferriol, Carmen, additional, Romo, Susana, additional, Soria, Juan Miguel, additional, Özen, Arda, additional, Karan, Tünay, additional, Demir, Nilsun, additional, Beklioğlu, Meryem, additional, Filiz, Nur, additional, Levi, Eti, additional, Iskin, Uğur, additional, Bezirci, Gizem, additional, Tavşanoğlu, Ülkü Nihan, additional, Çelik, Kemal, additional, Ozhan, Koray, additional, Karakaya, Nusret, additional, Koçer, Mehmet Ali Turan, additional, Yilmaz, Mete, additional, Maraşlıoğlu, Faruk, additional, Fakioglu, Özden, additional, Soylu, Elif Neyran, additional, Yağcı, Meral Apaydın, additional, Çınar, Şakir, additional, Çapkın, Kadir, additional, Yağcı, Abdulkadir, additional, Cesur, Mehmet, additional, Bilgin, Fuat, additional, Bulut, Cafer, additional, Uysal, Rahmi, additional, Latife, Köker, additional, Akçaalan, Reyhan, additional, Albay, Meriç, additional, Alp, Mehmet Tahir, additional, Özkan, Korhan, additional, Sevindik, Tuğba Ongun, additional, Tunca, Hatice, additional, Önem, Burçin, additional, Paerl, Hans, additional, Carey, Cayelan C., additional, and Ibelings, Bastiaan W., additional

Published
2021
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233. Spatial and seasonal patterns of water isotopes in northeastern German lakes

Author

Aichner, Bernhard, primary, Dubbert, David, additional, Kiel, Christine, additional, Kohnert, Katrin, additional, Ogashawara, Igor, additional, Jechow, Andreas, additional, Harpenslager, Sarah-Faye, additional, Hölker, Franz, additional, Nejstgaard, Jens Christian, additional, Grossart, Hans-Peter, additional, Singer, Gabriel, additional, Wollrab, Sabine, additional, and Berger, Stella Angela, additional

Published
2021
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236. A Novel Measurement-Based Model for Calculating Diffusive Fluxes Across Substrate-Water Interfaces of Marine Aggregates, Sediments and Biofilms

Author

Moradi, Nasrollah, Klawonn, Isabell, Iversen, Morten H., Wenzhöfer, Frank, Grossart, Hans-Peter, Ploug, Helle, Fischer, Gerhard, and Khalili, Arzhang

Subjects
Global and Planetary Change, Ocean Engineering, Aquatic Science, Oceanography, Water Science and Technology
Abstract

Our understanding of the small-scale processes that drive global biogeochemical cycles and the Earth’s climate is dependent on accurate estimations of interfacial diffusive fluxes to and from biologically-active substrates in aquatic environments. In this study, we present a novel model approach for accurate calculations of diffusive fluxes of dissolved gases, nutrients, and solutes from concentration profiles measured across the substrate-water interfaces using microsensors. The model offers a robust computational scheme for automatized determination of the interface position and enables precise calculations of the interfacial diffusive fluxes simultaneously. In contrast to other methods, the new approach is not restricted to any particular substrate geometry, does not require a priori determination of the interface position for the flux calculation, and, thus, reduces the uncertainties in calculated fluxes arising from partly subjective identification of the interface position. In addition, it is robust when applied to measured profiles containing scattered data points and insensitive to reasonable decreases of the spatial resolution of the data points. The latter feature allows for significantly reducing measurement time which is a crucial factor for in situ experiments.

Published
2021

241. The extent and variability of storm‐induced temperature changes in lakes measured with long‐term and high‐frequency data

Author

Doubek, Jonathan, Anneville, Orlane, Dur, Gaël, Lewandowska, Aleksandra, Patil, Vijay, Rusak, James, Salmaso, Nico, Seltmann, Christian Torsten, Straile, Dietmar, Urrutia‐Cordero, Pablo, Venail, Patrick, Adrian, Rita, Alfonso, María, DeGasperi, Curtis, Eyto, Elvira, Feuchtmayr, Heidrun, Gaiser, Evelyn, Girdner, Scott, Graham, Jennifer, Grossart, Hans‐Peter, Hejzlar, Josef, Jacquet, Stéphan, Kirillin, Georgiy, Llames, María, Matsuzaki, Shin‐ichiro, Nodine, Emily, Piccolo, Maria Cintia, Pierson, Don, Rimmer, Alon, Rudstam, Lars, Sadro, Steven, Swain, Hilary, Thackeray, Stephen, Thiery, Wim, Verburg, Piet, Zohary, Tamar, Stockwell, Jason, Centre Alpin de Recherche sur les Réseaux Trophiques et Ecosystèmes Limniques (CARRTEL), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), and University of Shizuoka

Subjects
[SDE]Environmental Sciences, [SDU.STU]Sciences of the Universe [physics]/Earth Sciences, Ecology and Environment
Abstract

International audience; The intensity and frequency of storms are projected to increase in many regions of the world because of climate change. Storms can alter environmental conditions in many ecosystems. In lakes and reservoirs, storms can reduce epilimnetic temperatures from wind-induced mixing with colder hypolimnetic waters, direct precipitation to the lake's surface, and watershed runoff. We analyzed 18 long-term and high-frequency lake datasets from 11 countries to assess the magnitude of wind-vs. rainstorm-induced changes in epilimnetic temperature. We found small day-today epilimnetic temperature decreases in response to strong wind and heavy rain during stratified conditions. Day-today epilimnetic temperature decreased, on average, by 0.28 C during the strongest windstorms (storm mean daily wind speed among lakes: 6.7 AE 2.7 m s −1 , 1 SD) and by 0.15 C after the heaviest rainstorms (storm mean daily rainfall: 21.3 AE 9.0 mm). The largest decreases in epilimnetic temperature were observed ≥2 d after sustained strong wind or heavy rain (top 5 th percentile of wind and rain events for each lake) in shallow and medium-depth lakes. The smallest decreases occurred in deep lakes. Epilimnetic temperature change from windstorms, but not rainstorms, was negatively correlated with maximum lake depth. However, even the largest storm-induced mean epilimnetic temperature decreases were typically

Published
2021
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244. Mimicking skyglow at ecosystem level in a large-scale lake enclosure facility

Author

Jechow, Andreas, primary, Schreck, Günther, additional, Kyba, Christopher C. M., additional, Berger, Stella A., additional, Bistarelli, Lukas Thuile, additional, Bodenlos, Matthias, additional, Gessner, Mark O., additional, Grossart, Hans-Peter, additional, Kupprat, Franziska, additional, Nejstgaard, Jens C., additional, Pansch, Andreas, additional, Penske, Armin, additional, Sachtleben, Michael, additional, Shatwell, Tom, additional, Singer, Gabriel A., additional, Stephan, Susanne, additional, Walles, Tim J. W., additional, Wollrab, Sabine, additional, Zielinska-Dabkowska, Karolina M., additional, and Hölker, Franz, additional

Published
2021
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245. Global co‐occurrence of methanogenic archaea and methanotrophic bacteria in Microcystis aggregates

Author

Li, Chuang, primary, Hambright, K. David, additional, Bowen, Hannah G., additional, Trammell, Majoi A., additional, Grossart, Hans‐Peter, additional, Burford, Michele A., additional, Hamilton, David P., additional, Jiang, Helong, additional, Latour, Delphine, additional, Meyer, Elisabeth I., additional, Padisák, Judit, additional, Zamor, Richard M., additional, and Krumholz, Lee R., additional

Published
2021
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247. Earlier winter/spring runoff and snowmelt during warmer winters lead to lower summer chlorophyll‐ a in north temperate lakes

Author

Hrycik, Allison R., primary, Isles, Peter D. F., additional, Adrian, Rita, additional, Albright, Matthew, additional, Bacon, Linda C., additional, Berger, Stella A., additional, Bhattacharya, Ruchi, additional, Grossart, Hans‐Peter, additional, Hejzlar, Josef, additional, Hetherington, Amy Lee, additional, Knoll, Lesley B., additional, Laas, Alo, additional, McDonald, Cory P., additional, Merrell, Kellie, additional, Nejstgaard, Jens C., additional, Nelson, Kirsten, additional, Nõges, Peeter, additional, Paterson, Andrew M., additional, Pilla, Rachel M., additional, Robertson, Dale M., additional, Rudstam, Lars G., additional, Rusak, James A., additional, Sadro, Steven, additional, Silow, Eugene A., additional, Stockwell, Jason D., additional, Yao, Huaxia, additional, Yokota, Kiyoko, additional, and Pierson, Donald C., additional

Published
2021
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250. Microbial trait-based approaches for agroecosystems

Author

Krause, Sascha M.B., primary, Bertilsson, Stefan, additional, Grossart, Hans-Peter, additional, Bodelier, Paul L.E., additional, van Bodegom, Peter, additional, Lennon, Jay T., additional, Philippot, Laurent, additional, and Le Roux, Xavier, additional

Published
2021
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