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2. Azolla cultivation enables phosphate extraction from inundated former agricultural soils

Author

Vroom, R. J.E., Smolders, A. J.P., Van de Riet, B. P., Lamers, L. P.M., Güngör, E., Krosse, S., Verheggen-Kleinheerenbrink, G. M., Van der Wal, N. R., Kosten, S., Vroom, R. J.E., Smolders, A. J.P., Van de Riet, B. P., Lamers, L. P.M., Güngör, E., Krosse, S., Verheggen-Kleinheerenbrink, G. M., Van der Wal, N. R., and Kosten, S.

Abstract

To combat the global loss of wetlands and their essential functions, the restoration and creation of wetlands is imperative. However, wetland development is challenging when soils have been in prolonged agricultural use, often resulting in a substantial nutrient legacy, especially of phosphorous (P). Inundating these soils typically leads to P mobilization, resulting in poor water quality and low biodiversity recovery. As a potential novel means to overcome this challenge, we tested whether cultivation of the floating fern Azolla filiculoides could simultaneously extract and recycle P, and provide a commercial product. Azolla has high growth rates due to the nitrogen fixing capacity of its microbiome and is capable of luxury consumption of P. Azolla cultivation may also accelerate soil P mobilization and subsequent extraction by causing surface water anoxia and the release of iron-bound P. To test this approach, we cultivated Azolla on 15 P-rich former agricultural soils in an indoor mesocosm experiment. Soils were inundated and either left unvegetated or inoculated with A. filiculoides during two 8-week cultivation periods. Biomass was harvested at different intervals (weekly/monthly/bimonthly) to investigate the effect of harvesting frequency on oxygen (O2) and nutrient dynamics. We found that Azolla attained high growth rates only on soils with high mobilization of labile P, as plant cover did not reduce surface water O2 concentrations in the first phase after inundation. This concurred with low porewater iron to P ratios (<10) and high porewater P concentrations. A. filiculoides cultivation substantially reduced surface water nutrient concentrations and extracted P at rates up to 122 kg ha−1 yr−1. We conclude that rapid P extraction by A. filiculoides cultivation is possible on soils rich in labile P, offering new perspectives for wetland rehabilitation. Additional field trials are recommended to investigate long

Published
2024

3. Azolla cultivation enables phosphate extraction from inundated former agricultural soils

Author

Sub Plant Stress Resilience, Plant Stress Resilience, Vroom, R. J.E., Smolders, A. J.P., Van de Riet, B. P., Lamers, L. P.M., Güngör, E., Krosse, S., Verheggen-Kleinheerenbrink, G. M., Van der Wal, N. R., Kosten, S., Sub Plant Stress Resilience, Plant Stress Resilience, Vroom, R. J.E., Smolders, A. J.P., Van de Riet, B. P., Lamers, L. P.M., Güngör, E., Krosse, S., Verheggen-Kleinheerenbrink, G. M., Van der Wal, N. R., and Kosten, S.

Published
2024

4. Azolla cultivation enables phosphate extraction from inundated former agricultural soils

Author

Vroom, R.J.E., Smolders, A.J.P., Riet, B.P. van de, Lamers, L.P.M., Gungor, E., Krosse, S., Verheggen-Kleinheerenbrink, G.M., Wal, N.R. Van der, Kosten, S., Vroom, R.J.E., Smolders, A.J.P., Riet, B.P. van de, Lamers, L.P.M., Gungor, E., Krosse, S., Verheggen-Kleinheerenbrink, G.M., Wal, N.R. Van der, and Kosten, S.

Abstract

Contains fulltext : 306578.pdf (Publisher’s version ) (Open Access)

Published
2024

6. Global CO2 emissions from dry inland waters share common drivers across ecosystems

Author

Keller, P. S., Catalán, N., von Schiller, D., Grossart, H.-P., Koschorreck, M., Obrador, B., Frassl, M. A., Karakaya, N., Barros, N., Howitt, J. A., Mendoza-Lera, C., Pastor, A., Flaim, G., Aben, R., Riis, T., Arce, M. I., Onandia, G., Paranaíba, J. R., Linkhorst, A., del Campo, R., Amado, A. M., Cauvy-Fraunié, S., Brothers, S., Condon, J., Mendonça, R. F., Reverey, F., Rõõm, E.-I., Datry, T., Roland, F., Laas, A., Obertegger, U., Park, J.-H., Wang, H., Kosten, S., Gómez, R., Feijoó, C., Elosegi, A., Sánchez-Montoya, M. M., Finlayson, C. M., Melita, M., Oliveira Junior, E. S., Muniz, C. C., Gómez-Gener, L., Leigh, C., Zhang, Q., and Marcé, R.

Published
2020
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8. Compositional breakpoints of freshwater plant communities across continents

Author

García-Girón, J., Heino, J., Baastrup-Spohr, L., Clayton, J., Winton, M. de, Feldmann, T., Fernández-Aláez, C., Ecke, F., Grillas, P., Hoyer, M.V., Kolada, A., Kosten, S., Lukács, B.A., Mjelde, M., Mormul, R.P., Rhazi, L., Rhazi, M., Sass, L., Xu, J, Alahuhta, J., García-Girón, J., Heino, J., Baastrup-Spohr, L., Clayton, J., Winton, M. de, Feldmann, T., Fernández-Aláez, C., Ecke, F., Grillas, P., Hoyer, M.V., Kolada, A., Kosten, S., Lukács, B.A., Mjelde, M., Mormul, R.P., Rhazi, L., Rhazi, M., Sass, L., Xu, J, and Alahuhta, J.

Abstract

Contains fulltext : 293640.pdf (Publisher’s version ) (Open Access)

Published
2023

9. Compositional breakpoints of freshwater plant communities across continents

Author

García-Girón, J. (Jorge), Heino, J. (Jani), Baastrup-Spohr, L. (Lars), Clayton, J. (John), de Winton, M. (Mary), Feldmann, T. (Tõnu), Fernández-Aláez, C. (Camino), Ecke, F. (Frauke), Grillas, P. (Patrick), Hoyer, M. V. (Mark V.), Kolada, A. (Agnieszka), Kosten, S. (Sarian), Lukács, B. A. (Balázs A.), Mjelde, M. (Marit), Mormul, R. P. (Roger P.), Rhazi, L. (Laila), Rhazi, M. (Mouhssine), Sass, L. (Laura), Xu, J. (Jun), Alahuhta, J. (Janne), García-Girón, J. (Jorge), Heino, J. (Jani), Baastrup-Spohr, L. (Lars), Clayton, J. (John), de Winton, M. (Mary), Feldmann, T. (Tõnu), Fernández-Aláez, C. (Camino), Ecke, F. (Frauke), Grillas, P. (Patrick), Hoyer, M. V. (Mark V.), Kolada, A. (Agnieszka), Kosten, S. (Sarian), Lukács, B. A. (Balázs A.), Mjelde, M. (Marit), Mormul, R. P. (Roger P.), Rhazi, L. (Laila), Rhazi, M. (Mouhssine), Sass, L. (Laura), Xu, J. (Jun), and Alahuhta, J. (Janne)

Abstract

Unravelling patterns and mechanisms of biogeographical transitions is crucial if we are to understand compositional gradients at large spatial extents, but no studies have thus far examined breakpoints in community composition of freshwater plants across continents. Using a dataset of almost 500 observations of lake plant community composition from six continents, we examined, for the first time, if such breakpoints in geographical space exist for freshwater plants and how well a suite of ecological factors (including climatic and local environmental variables) can explain transitions in community composition from the subtropics to the poles. Our combination of multivariate regression tree (MRT) analysis and k-means partitioning suggests that the most abrupt breakpoint exists between temperate to boreal regions on the one hand and freshwater plant communities harbouring mainly subtropical or Mediterranean assemblages on the other. The spatially structured variation in current climatic conditions is the most likely candidate for controlling these latitudinal patterns, although one cannot rule out joint effects of eco-evolutionary constraints in the harsher high-latitude environments and post-glacial migration lags after Pleistocene Ice Ages. Overall, our study supports the foundations of global regionalisation for freshwater plants and anticipates further biogeographical research on freshwater plant communities once datasets have been harmonised for conducting large-scale spatial analyses.

Published
2023

14. Regime Shifts and Shifting Points

Author

Tockner, K., Mehner, T., Kosten, S., Veraart, A.J., Dakos, V., Tockner, K., Mehner, T., Kosten, S., Veraart, A.J., and Dakos, V.

Abstract

Item does not contain fulltext

Published
2022

16. Global patterns and controls of nutrient immobilization on decomposing cellulose in riverine ecosystems

Author

Costello, D. M. (David M.), Tiegs, S. D. (Scott D.), Boyero, L. (Luz), Canhoto, C. (Cristina), Capps, K. A. (Krista A.), Danger, M. (Michael), Frost, P. C. (Paul C.), Gessner, M. O. (Mark O.), Griffiths, N. A. (Natalie A.), Halvorson, H. M. (Halvor M.), Kuehn, K. A. (Kevin A.), Marcarelli, A. M. (Amy M.), Royer, T. V. (Todd, V), Mathie, D. M. (Devan M.), Albarino, R. J. (Ricardo J.), Arango, C. P. (Clay P.), Aroviita, J. (Jukka), Baxter, C. V. (Colden, V), Bellinger, B. J. (Brent J.), Bruder, A. (Andreas), Burdon, F. J. (Francis J.), Callisto, M. (Marcos), Camacho, A. (Antonio), Colas, F. (Fanny), Cornut, J. (Julien), Crespo-Perez, V. (Veronica), Cross, W. F. (Wyatt F.), Derry, A. M. (Alison M.), Douglas, M. M. (Michael M.), Elosegi, A. (Arturo), Eyto, E. (Elvira), Ferreira, V. (Veronica), Ferriol, C. (Carmen), Fleituch, T. (Tadeusz), Shah, J. J. (Jennifer J. Follstad), Frainer, A. (Andre), Garcia, E. A. (Erica A.), Garcia, L. (Liliana), Garcia, P. E. (Pavel E.), Giling, D. P. (Darren P.), Gonzales-Pomar, R. K. (R. Karina), Graca, M. A. (Manuel A. S.), Grossart, H.-P. (Hans-Peter), Guerold, F. (Francois), Hepp, L. U. (Luiz U.), Higgins, S. N. (Scott N.), Hishi, T. (Takuo), Iniguez-Armijos, C. (Carlos), Iwata, T. (Tomoya), Kirkwood, A. E. (Andrea E.), Koning, A. A. (Aaron A.), Kosten, S. (Sarian), Laudon, H. (Hjalmar), Leavitt, P. R. (Peter R.), Lemes da Silva, A. L. (Aurea L.), Leroux, S. J. (Shawn J.), LeRoy, C. J. (Carri J.), Lisi, P. J. (Peter J.), Masese, F. O. (Frank O.), McIntyre, P. B. (Peter B.), McKie, B. G. (Brendan G.), Medeiros, A. O. (Adriana O.), Milisa, M. (Marko), Miyake, Y. (Yo), Mooney, R. J. (Robert J.), Muotka, T. (Timo), Nimptsch, J. (Jorge), Paavola, R. (Riku), Pardo, I. (Isabel), Parnikoza, I. Y. (Ivan Y.), Patrick, C. J. (Christopher J.), Peeters, E. T. (Edwin T. H. M.), Pozo, J. (Jesus), Reid, B. (Brian), Richardson, J. S. (John S.), Rincon, J. (Jose), Risnoveanu, G. (Geta), Robinson, C. T. (Christopher T.), Santamans, A. C. (Anna C.), Simiyu, G. M. (Gelas M.), Skuja, A. (Agnija), Smykla, J. (Jerzy), Sponseller, R. A. (Ryan A.), Teixeira-de Mello, F. (Franco), Vilbaste, S. (Sirje), Villanueva, V. D. (Veronica D.), Webster, J. R. (Jackson R.), Woelfl, S. (Stefan), Xenopoulos, M. A. (Marguerite A.), Yates, A. G. (Adam G.), Yule, C. M. (Catherine M.), Zhang, Y. (Yixin), Zwart, J. A. (Jacob A.), Costello, D. M. (David M.), Tiegs, S. D. (Scott D.), Boyero, L. (Luz), Canhoto, C. (Cristina), Capps, K. A. (Krista A.), Danger, M. (Michael), Frost, P. C. (Paul C.), Gessner, M. O. (Mark O.), Griffiths, N. A. (Natalie A.), Halvorson, H. M. (Halvor M.), Kuehn, K. A. (Kevin A.), Marcarelli, A. M. (Amy M.), Royer, T. V. (Todd, V), Mathie, D. M. (Devan M.), Albarino, R. J. (Ricardo J.), Arango, C. P. (Clay P.), Aroviita, J. (Jukka), Baxter, C. V. (Colden, V), Bellinger, B. J. (Brent J.), Bruder, A. (Andreas), Burdon, F. J. (Francis J.), Callisto, M. (Marcos), Camacho, A. (Antonio), Colas, F. (Fanny), Cornut, J. (Julien), Crespo-Perez, V. (Veronica), Cross, W. F. (Wyatt F.), Derry, A. M. (Alison M.), Douglas, M. M. (Michael M.), Elosegi, A. (Arturo), Eyto, E. (Elvira), Ferreira, V. (Veronica), Ferriol, C. (Carmen), Fleituch, T. (Tadeusz), Shah, J. J. (Jennifer J. Follstad), Frainer, A. (Andre), Garcia, E. A. (Erica A.), Garcia, L. (Liliana), Garcia, P. E. (Pavel E.), Giling, D. P. (Darren P.), Gonzales-Pomar, R. K. (R. Karina), Graca, M. A. (Manuel A. S.), Grossart, H.-P. (Hans-Peter), Guerold, F. (Francois), Hepp, L. U. (Luiz U.), Higgins, S. N. (Scott N.), Hishi, T. (Takuo), Iniguez-Armijos, C. (Carlos), Iwata, T. (Tomoya), Kirkwood, A. E. (Andrea E.), Koning, A. A. (Aaron A.), Kosten, S. (Sarian), Laudon, H. (Hjalmar), Leavitt, P. R. (Peter R.), Lemes da Silva, A. L. (Aurea L.), Leroux, S. J. (Shawn J.), LeRoy, C. J. (Carri J.), Lisi, P. J. (Peter J.), Masese, F. O. (Frank O.), McIntyre, P. B. (Peter B.), McKie, B. G. (Brendan G.), Medeiros, A. O. (Adriana O.), Milisa, M. (Marko), Miyake, Y. (Yo), Mooney, R. J. (Robert J.), Muotka, T. (Timo), Nimptsch, J. (Jorge), Paavola, R. (Riku), Pardo, I. (Isabel), Parnikoza, I. Y. (Ivan Y.), Patrick, C. J. (Christopher J.), Peeters, E. T. (Edwin T. H. M.), Pozo, J. (Jesus), Reid, B. (Brian), Richardson, J. S. (John S.), Rincon, J. (Jose), Risnoveanu, G. (Geta), Robinson, C. T. (Christopher T.), Santamans, A. C. (Anna C.), Simiyu, G. M. (Gelas M.), Skuja, A. (Agnija), Smykla, J. (Jerzy), Sponseller, R. A. (Ryan A.), Teixeira-de Mello, F. (Franco), Vilbaste, S. (Sirje), Villanueva, V. D. (Veronica D.), Webster, J. R. (Jackson R.), Woelfl, S. (Stefan), Xenopoulos, M. A. (Marguerite A.), Yates, A. G. (Adam G.), Yule, C. M. (Catherine M.), Zhang, Y. (Yixin), and Zwart, J. A. (Jacob A.)

Abstract

Microbes play a critical role in plant litter decomposition and influence the fate of carbon in rivers and riparian zones. When decomposing low-nutrient plant litter, microbes acquire nitrogen (N) and phosphorus (P) from the environment (i.e., nutrient immobilization), and this process is potentially sensitive to nutrient loading and changing climate. Nonetheless, environmental controls on immobilization are poorly understood because rates are also influenced by plant litter chemistry, which is coupled to the same environmental factors. Here we used a standardized, low-nutrient organic matter substrate (cotton strips) to quantify nutrient immobilization at 100 paired stream and riparian sites representing 11 biomes worldwide. Immobilization rates varied by three orders of magnitude, were greater in rivers than riparian zones, and were strongly correlated to decomposition rates. In rivers, P immobilization rates were controlled by surface water phosphate concentrations, but N immobilization rates were not related to inorganic N. The N:P of immobilized nutrients was tightly constrained to a molar ratio of 10:1 despite wide variation in surface water N:P. Immobilization rates were temperature-dependent in riparian zones but not related to temperature in rivers. However, in rivers nutrient supply ultimately controlled whether microbes could achieve the maximum expected decomposition rate at a given temperature. Collectively, we demonstrated that exogenous nutrient supply and immobilization are critical control points for decomposition of organic matter.

Published
2022

17. Temperature response of aquatic greenhouse gas emissions strongly depends on dominant plant type

Author

Aben, R.C.H., Velthuis, M., Kazanjian, G., Frenken, T., Peeters, Edwin, van de Waal, D.B., Hilt, S., de Senerpont Domis, L.N., Lamers, L.P.M., Kosten, S., Aben, R.C.H., Velthuis, M., Kazanjian, G., Frenken, T., Peeters, Edwin, van de Waal, D.B., Hilt, S., de Senerpont Domis, L.N., Lamers, L.P.M., and Kosten, S.

Abstract

Greenhouse gas (GHG) emissions from small inland waters are disproportionately large. Climate warming is expected to enhance their emissions and favour dominance of algae and free-floating plants at the expense of submerged plants. The different impacts these functional plant types have on their environment may have far-reaching consequences for freshwater GHG emissions. Here, we show that dominance of different functional plant types strongly controls the effect of experimental warming on GHG fluxes, mainly by modulating methane ebullition, an often-dominant GHG emission pathway. Specifically, we demonstrate that the response to experimental warming was strongest for free-floating and lowest for submerged plant-dominated systems. Importantly, our results suggest that anticipated shifts in plant type may increase total GHG emissions from shallow waters. This, together with the stronger warming-induced emission response, represents a so far overlooked positive climate feedback. Management strategies aimed at favouring submerged plant dominance may substantially mitigate GHG emissions.

Published
2022

19. Regime Shifts and Shifting Points

Author

Kosten, S., Veraart, A.J., Dakos, V., and Tockner, K., Mehner, T.

Subjects
Ecological Microbiology, Aquatic Ecology
Abstract

Item does not contain fulltext

Published
2022

23. Water Hyacinth’s Effect on Greenhouse Gas Fluxes: A Field Study in a Wide Variety of Tropical Water Bodies

Author

Oliveira Junior, E.S., Bergen, T.J.H.M. van, Nauta, Janne, Budisa, A., Aben, R.C.H., Weideveld, S.T.J., Souza, C.A. de, Muniz, C.C., Roelofs, J.G.M., Lamers, L.P.M., Kosten, S., Oliveira Junior, E.S., Bergen, T.J.H.M. van, Nauta, Janne, Budisa, A., Aben, R.C.H., Weideveld, S.T.J., Souza, C.A. de, Muniz, C.C., Roelofs, J.G.M., Lamers, L.P.M., and Kosten, S.

Abstract

Contains fulltext : 245804.pdf (Publisher’s version ) (Closed access)

Published
2021

26. Nature development in degraded landscapes: how pioneer bioturbators and water level control soil subsidence, nutrient chemistry and greenhouse gas emission

Author

Temmink, R.J.M., Akker, M. van den, Robroek, B.J.M., Cruijsen, P.M.J.M., Veraart, A.J., Kosten, S., Peters, R.C.J.H., Verheggen-Kleinheerenbrink, G.M., Roelofs, A.W., Eek, X. van, Bakker, E.S., Lamers, L.P.M., Temmink, R.J.M., Akker, M. van den, Robroek, B.J.M., Cruijsen, P.M.J.M., Veraart, A.J., Kosten, S., Peters, R.C.J.H., Verheggen-Kleinheerenbrink, G.M., Roelofs, A.W., Eek, X. van, Bakker, E.S., and Lamers, L.P.M.

Abstract

01 juni 2021, Contains fulltext : 235953.pdf (Publisher’s version ) (Open Access)

Published
2021

27. A Field Guide for Monitoring Riverine Macroplastic Entrapment in Water Hyacinths

Author

Schreyers, L., Emmerik, T., Nguyen, T.L., Phung, N-A., Kieu-Le, T-C., Castrop, E., Kosten, S., Berg, S.J.P., Ploeg, M van der, Schreyers, L., Emmerik, T., Nguyen, T.L., Phung, N-A., Kieu-Le, T-C., Castrop, E., Kosten, S., Berg, S.J.P., and Ploeg, M van der

Abstract

Contains fulltext : 236348.pdf (Publisher’s version ) (Open Access)

Published
2021

29. Global importance of methane emissions from drainage ditches and canals

Author

Peacock, M., Audet, J., Bastviken, David, Futter, M. N., Gauci, V, Grinham, A., Harrison, J. A., Kent, M. S., Kosten, S., Lovelock, C. E., Veraart, A. J., Evans, C. D., Peacock, M., Audet, J., Bastviken, David, Futter, M. N., Gauci, V, Grinham, A., Harrison, J. A., Kent, M. S., Kosten, S., Lovelock, C. E., Veraart, A. J., and Evans, C. D.

Abstract

Globally, there are millions of kilometres of drainage ditches which have the potential to emit the powerful greenhouse gas methane (CH4), but these emissions are not reported in budgets of inland waters or drained lands. Here, we synthesise data to show that ditches spanning a global latitudinal gradient and across different land uses emit large quantities of CH4 to the atmosphere. Area-specific emissions are comparable to those from lakes, streams, reservoirs, and wetlands. While it is generally assumed that drainage negates terrestrial CH4 emissions, we find that CH4 emissions from ditches can, on average, offset similar to 10% of this reduction. Using global areas of drained land we show that ditches contribute 3.5 Tg CH4 yr(-1) (0.6-10.5 Tg CH4 yr(-1)); equivalent to 0.2%-3% of global anthropogenic CH4 emissions. A positive relationship between CH4 emissions and temperature was found, and emissions were highest from eutrophic ditches. We advocate the inclusion of ditch emissions in national GHG inventories, as neglecting them can lead to incorrect conclusions concerning the impact of drainage-based land management on CH4 budgets., Funding Agencies|FormasSwedish Research Council Formas [2020-00950]; European Research Council (ERC) under the European Unions Horizon 2020 research and innovation programmeEuropean Research Council (ERC) [725546]; Carl Tryggers Stiftelse; AXA Research Fund

Published
2021
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30. Regime Shifts and Tipping Points

Author

Tockner, K., Kosten, S., Veraart, A.J., Dakos, V., Tockner, K., Kosten, S., Veraart, A.J., and Dakos, V.

Abstract

Contains fulltext : 286284.pdf (Publisher’s version ) (Closed access)

Published
2021

31. Global CO2 emissions from dry inland waters share common drivers across ecosystems

Author

Keller, P.S., Catalan, N., Schiller, D., Grossart, H.P., Koschorreck, M., Obrador, B., Frassl, M.A., Karakaya, N., Barros, N., Howitt, J.A., Mendoza-Lera, C., Pastor, A., Flaim, G., Aben, R.C.H., Riis, T., Arce, M.I., Onandia, G., Paranaiba, J.R., Linkhorst, A., Campo, R., Amado, A.M., Cauvy-Fraunie, S., Brothers, S., Condon, J., Mendonca, R.F., Reverey, F., Room, E.I., Datry, T., Roland, F., Laas, A., Obertegger, U., Park, J.H., Wang, H, Kosten, S., Gomez, R., Feijoo, C., Elosegi, A., Sanchez-Montoya, M.M., Finlayson, C.M., Melita, M., Oliveira Junior, E.S., Muniz, C.C., Gomez-Gener, L., Leigh, C., Marce, R., Keller, P.S., Catalan, N., Schiller, D., Grossart, H.P., Koschorreck, M., Obrador, B., Frassl, M.A., Karakaya, N., Barros, N., Howitt, J.A., Mendoza-Lera, C., Pastor, A., Flaim, G., Aben, R.C.H., Riis, T., Arce, M.I., Onandia, G., Paranaiba, J.R., Linkhorst, A., Campo, R., Amado, A.M., Cauvy-Fraunie, S., Brothers, S., Condon, J., Mendonca, R.F., Reverey, F., Room, E.I., Datry, T., Roland, F., Laas, A., Obertegger, U., Park, J.H., Wang, H, Kosten, S., Gomez, R., Feijoo, C., Elosegi, A., Sanchez-Montoya, M.M., Finlayson, C.M., Melita, M., Oliveira Junior, E.S., Muniz, C.C., Gomez-Gener, L., Leigh, C., and Marce, R.

Abstract

Contains fulltext : 226569.pdf (publisher's version ) (Open Access)

Published
2020

33. Elements of lake macrophyte metacommunity structure: Global variation and community-environment relationships

Author

Garcia-Giron, J., Heino, J., Baastrup-Spohr, L., Clayton, J., Winton, M. de, Feldmann, T., Kosten, S., Xu, J., Alahuhta, J., Garcia-Giron, J., Heino, J., Baastrup-Spohr, L., Clayton, J., Winton, M. de, Feldmann, T., Kosten, S., Xu, J., and Alahuhta, J.

Abstract

Contains fulltext : 228528.pdf (publisher's version ) (Closed access) Contains fulltext : 228528pos.pdf (Author’s version postprint ) (Open Access)

Published
2020

35. Warming advances virus population dynamics in a temperate freshwater plankton community

Author

Frenken, Thijs, Brussaard, Corina P.D., Velthuis, M., Aben, Ralf, Kazanjian, Garabet, Hilt, Sabine, Kosten, S., Donk, Ellen van, Waal, Dedmer B. Van de, Frenken, Thijs, Brussaard, Corina P.D., Velthuis, M., Aben, Ralf, Kazanjian, Garabet, Hilt, Sabine, Kosten, S., Donk, Ellen van, and Waal, Dedmer B. Van de

Abstract

Contains fulltext : 220032.pdf (publisher's version ) (Open Access)

Published
2020

36. Sediment drying-rewetting cycles enhance greenhouse gas emissions, nutrient and trace element release, and promote water cytogenotoxicity

Author

Paranaíba, José R., Quadra, Gabrielle, Josue, Iollanda I.P., Almeida, R.M., Mendonca, R., Cardoso, Simone Jaqueline, Kosten, S., Roland, Fabio, Barros, Nathan, Paranaíba, José R., Quadra, Gabrielle, Josue, Iollanda I.P., Almeida, R.M., Mendonca, R., Cardoso, Simone Jaqueline, Kosten, S., Roland, Fabio, and Barros, Nathan

Abstract

Contains fulltext : 220262.pdf (publisher's version ) (Open Access)

Published
2020

37. Global patterns and determinants of lake macrophyte taxonomic, functional and phylogenetic beta diversity

Author

García-Girón, Jorge, Heino, Jani, Baastrup-Spohr, Lars, Bove, Claudia P., Clayton, John, de Winton, Mary, Feldmann, Tõnu, Fernández-Aláez, Margarita, Ecke, Frauke, Grillas, Patrick, Hoyer, Mark V., Kolada, Agnieszka, Kosten, S., Lukács, Balázs A., Mjelde, Marit, Mormul, Roger P., Rhazi, Laila, Rhazi, Mouhssine, Sass, Laura, Xu, Jun, Alahuhta, Janne, García-Girón, Jorge, Heino, Jani, Baastrup-Spohr, Lars, Bove, Claudia P., Clayton, John, de Winton, Mary, Feldmann, Tõnu, Fernández-Aláez, Margarita, Ecke, Frauke, Grillas, Patrick, Hoyer, Mark V., Kolada, Agnieszka, Kosten, S., Lukács, Balázs A., Mjelde, Marit, Mormul, Roger P., Rhazi, Laila, Rhazi, Mouhssine, Sass, Laura, Xu, Jun, and Alahuhta, Janne

Abstract

Contains fulltext : 222279pos.pdf (Author’s version postprint ) (Open Access) Contains fulltext : 222279.pdf (Publisher’s version ) (Closed access)

Published
2020

38. Global CO2 emissions from dry inland waters share common drivers across ecosystems

Author

Biología vegetal y ecología, Landaren biologia eta ekologia, Keller, P.S., Catalán, N., Von Schiller Calle, Daniel Gaspar, Grossart, Hans Peter, Koschorreck, M., Obrador, B., Frassl, M. A., Karakaya, N., Barros, N., Howitt, J. A., Mendoza Lera, B., Pastor, Ada, Flaim, G., Aben, R., Riis, T., Arce, M. I., Onandia, G., Paranaíba, J. R., Linkhorst, A., Del Campo, Rubén, Amado, A. M., Cauvy Fraunié, S., Brothers, S., Condon, J., Mendonça, R. F., Reverey, F., Rõõm, E. I., Datry, T., Roland, F., Laas, A., Obertegger, U., Park, J. H., Wang, H., Kosten, S., Gómez, R., Feijoó, Claudia, Elosegi Irurtia, Arturo, Sánchez Montoya, María Mar, Finlayson, C. M., Melita, M., Oliveira Junior, E. S., Muniz, C. C.., Gómez Gener, L., Leigh, C., Zhang, Q., Marcé, R., Biología vegetal y ecología, Landaren biologia eta ekologia, Keller, P.S., Catalán, N., Von Schiller Calle, Daniel Gaspar, Grossart, Hans Peter, Koschorreck, M., Obrador, B., Frassl, M. A., Karakaya, N., Barros, N., Howitt, J. A., Mendoza Lera, B., Pastor, Ada, Flaim, G., Aben, R., Riis, T., Arce, M. I., Onandia, G., Paranaíba, J. R., Linkhorst, A., Del Campo, Rubén, Amado, A. M., Cauvy Fraunié, S., Brothers, S., Condon, J., Mendonça, R. F., Reverey, F., Rõõm, E. I., Datry, T., Roland, F., Laas, A., Obertegger, U., Park, J. H., Wang, H., Kosten, S., Gómez, R., Feijoó, Claudia, Elosegi Irurtia, Arturo, Sánchez Montoya, María Mar, Finlayson, C. M., Melita, M., Oliveira Junior, E. S., Muniz, C. C.., Gómez Gener, L., Leigh, C., Zhang, Q., and Marcé, R.

Abstract

[EN] 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.

Published
2020

39. Warming advances virus population dynamics in a temperate freshwater plankton community

Author

Frenken, T., Brussaard, C.P.D., Velthuis, M., Aben, R., Kazanjian, G., Hilt, S., Kosten, S., Peeters, E.T.H.M., de Senerpont Domis, L.N., Stephan, S., Van Donk, E., van de Waal, D., Frenken, T., Brussaard, C.P.D., Velthuis, M., Aben, R., Kazanjian, G., Hilt, S., Kosten, S., Peeters, E.T.H.M., de Senerpont Domis, L.N., Stephan, S., Van Donk, E., and van de Waal, D.

Abstract

Viruses are important drivers in the cycling of carbon and nutrients in aquatic ecosystems. Since viruses are obligate parasites, their production completely depends on growth and metabolism of hosts and therefore can be affected by climate change. Here, we investigated if warming (+4°C) can change the outcome of viral infections in a natural freshwater virus community over a 5‐month period in a mesocosm experiment. We monitored dynamics of viruses and potential hosts. Results show that warming significantly advanced the early summer peak of the virus community by 24 d, but neither affected viral peak abundances nor time‐integrated number of viruses present. Our results demonstrate that warming advances the timing of viruses in a natural community. Although warming may not necessarily result in a stronger viral control of bacterial and phytoplankton communities, our results suggest it can alter host population dynamics through advanced timing of infections, and thus timing of carbon and nutrient recycling.

Published
2020

40. Global CO2 emissions from dry inland waters share common drivers across ecosystems

Author

Keller, P. S. Catalán, N. von Schiller, D. Grossart, H. P. Koschorreck, M. Obrador, B. Frassl, M. A. Karakaya, N. Barros, N. Howitt, J. A. Mendoza-Lera, C. Pastor, A. Flaim, G. Aben, R. Riis, T. Arce, M. I. Onandia, G. Paranaíba, J. R. Linkhorst, A. del Campo, R. Amado, A. M. Cauvy-Fraunié, S. Brothers, S. Condon, J. Mendonça, R. F. Reverey, F. Rõõm, E. I. Datry, T. Roland, F. Laas, A. Obertegger, U. Park, J. H. Wang, H. Kosten, S. Gómez, R. Feijoó, C. Elosegi, A. Sánchez-Montoya, M. M. Finlayson, C. M. Melita, M. Oliveira Junior, E. S. Muniz, C. C. Gómez-Gener, L. Leigh, C. Zhang, Q. Marcé, R. and Keller, P. S. Catalán, N. von Schiller, D. Grossart, H. P. Koschorreck, M. Obrador, B. Frassl, M. A. Karakaya, N. Barros, N. Howitt, J. A. Mendoza-Lera, C. Pastor, A. Flaim, G. Aben, R. Riis, T. Arce, M. I. Onandia, G. Paranaíba, J. R. Linkhorst, A. del Campo, R. Amado, A. M. Cauvy-Fraunié, S. Brothers, S. Condon, J. Mendonça, R. F. Reverey, F. Rõõm, E. I. Datry, T. Roland, F. Laas, A. Obertegger, U. Park, J. H. Wang, H. Kosten, S. Gómez, R. Feijoó, C. Elosegi, A. Sánchez-Montoya, M. M. Finlayson, C. M. Melita, M. Oliveira Junior, E. S. Muniz, C. C. Gómez-Gener, L. Leigh, C. Zhang, Q. Marcé, R.

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.

Published
2020
Full Text
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41. Global patterns and determinants of lake macrophyte taxonomic, functional and phylogenetic beta diversity

Author

García-Girón, J. (Jorge), Heino, J. (Jani), Baastrup-Spohr, L. (Lars), Bove, C. P. (Claudia P.), Clayton, J. (John), de Winton, M. (Mary), Feldmann, T. (Tõnu), Fernández-Aláez, M. (Margarita), Ecke, F. (Frauke), Grillas, P. (Patrick), Hoyer, M. V. (Mark V.), Kolada, A. (Agnieszka), Kosten, S. (Sarian), Lukács, B. A. (Balázs A.), Mjelde, M. (Marit), Mormul, R. P. (Roger P.), Rhazi, L. (Laila), Rhazi, M. (Mouhssine), Sass, L. (Laura), Xu, J. (Jun), Alahuhta, J. (Janne), García-Girón, J. (Jorge), Heino, J. (Jani), Baastrup-Spohr, L. (Lars), Bove, C. P. (Claudia P.), Clayton, J. (John), de Winton, M. (Mary), Feldmann, T. (Tõnu), Fernández-Aláez, M. (Margarita), Ecke, F. (Frauke), Grillas, P. (Patrick), Hoyer, M. V. (Mark V.), Kolada, A. (Agnieszka), Kosten, S. (Sarian), Lukács, B. A. (Balázs A.), Mjelde, M. (Marit), Mormul, R. P. (Roger P.), Rhazi, L. (Laila), Rhazi, M. (Mouhssine), Sass, L. (Laura), Xu, J. (Jun), and Alahuhta, J. (Janne)

Abstract

Documenting the patterns of biological diversity on Earth has always been a central challenge in macroecology and biogeography. However, for the diverse group of freshwater plants, such research program is still in its infancy. Here, we examined global variation in taxonomic, functional and phylogenetic beta diversity patterns of lake macrophytes using regional data from six continents. A data set of ca. 480 lake macrophyte community observations, together with climatic, geographical and environmental variables, was compiled across 16 regions worldwide. We (a) built the very first phylogeny comprising most freshwater plant lineages; (b) exploited a wide array of functional traits that are important to macrophyte autoecology or that relate to lake ecosystem functioning; (c) assessed if different large-scale beta diversity patterns show a clear latitudinal gradient from the equator to the poles using null models; and (d) employed evolutionary and regression models to first identify the degree to which the studied functional traits show a phylogenetic signal, and then to estimate community-environment relationships at multiple spatial scales. Our results supported the notion that ecological niches evolved independently of phylogeny in macrophyte lineages worldwide. We also showed that taxonomic and phylogenetic beta diversity followed the typical global trend with higher diversity in the tropics. In addition, we were able to confirm that species, multi-trait and lineage compositions were first and foremost structured by climatic conditions at relatively broad spatial scales. Perhaps more importantly, we showed that large-scale processes along latitudinal and elevational gradients have left a strong footprint in the current diversity patterns and community-environment relationships in lake macrophytes. Overall, our results stress the need for an integrative approach to macroecology, biogeography and conservation biology, combining multiple diversity facets at d

Published
2020

42. Elements of lake macrophyte metacommunity structure:global variation and community-environment relationships

Author

García-Girón, J. (Jorge), Heino, J. (Jani), Baastrup-Spohr, L. (Lars), Clayton, J. (John), de Winton, M. (Mary), Feldmann, T. (Tõnu), Fernández-Aláez, C. (Camino), Ecke, F. (Frauke), Hoyer, M. V. (Mark V.), Kolada, A. (Agnieszka), Kosten, S. (Sarian), Lukács, B. A. (Balázs A.), Mormul, R. P. (Roger P.), Rhazi, L. (Laila), Rhazi, M. (Mouhssine), Sass, L. (Laura), Xu, J. (Jun), Alahuhta, J. (Janne), García-Girón, J. (Jorge), Heino, J. (Jani), Baastrup-Spohr, L. (Lars), Clayton, J. (John), de Winton, M. (Mary), Feldmann, T. (Tõnu), Fernández-Aláez, C. (Camino), Ecke, F. (Frauke), Hoyer, M. V. (Mark V.), Kolada, A. (Agnieszka), Kosten, S. (Sarian), Lukács, B. A. (Balázs A.), Mormul, R. P. (Roger P.), Rhazi, L. (Laila), Rhazi, M. (Mouhssine), Sass, L. (Laura), Xu, J. (Jun), and Alahuhta, J. (Janne)

Abstract

Documenting the patterns of biological diversity on Earth has always been a central challenge in macroecology and biogeography. However, we are only beginning to generate an understanding of the global patterns and determinants of macrophyte diversity. Here, we studied large-scale variation and community-environment relationships of lake macrophytes along climatic and geographical gradients using regional data from six continents. We applied statistical routines typically used in the context of metacommunity studies to provide novel insights into macrophyte community compositional patterns within regions worldwide. We found that lake macrophyte metacommunities followed clumped species replacement structures, suggesting that two or more species groups were responding similarly to the environment within regions. Underlying such general convergence, our results also provided evidence that community-environment relationships were largely context-dependent, stressing that no single mechanism is enough to account for the complex nature of compositional variation. Surprisingly, we found no general relationships between functional or phylogenetic composition and main metacommunity types, suggesting that linking multi-trait and evolutionary information to the elements of metacommunity structure is not straightforward. Our findings highlight that global conservation initiatives and biodiversity protection need to capture environmental variation at the metacommunity level, and acknowledge the highly context-dependent patterns in the community-environment relationships of lake macrophytes. Overall, we emphasize the need to embrace the potential complexity of ecological inferences in metacommunity organization across the globe.

Published
2020

43. Global CO2 emissions from dry inland waters share common drivers across ecosystems

Author

Keller, Philipp, Catalán, N., von Schiller, D., Grossart, H.-P., Koschorreck, Matthias, Obrador, B., Frassl, Marieke, Karakaya, N., Barros, N., Howitt, J.A., Mendoza-Lera, C., Pastor, A., Flaim, G., Aben, R., Riis, T., Arce, M.I., Onandia, G., Paranaíba, J.R., Linkhorst, A., del Campo, R., Amado, A.M., Cauvy-Fraunié, S., Brothers, S., Condon, J., Mendonça, R.F., Reverey, F., Rõõm, E.-I., Datry, T., Roland, F., Laas, A., Obertegger, U., Park, J.-H., Wang, H., Kosten, S., Gómez, R., Feijoó, C., Elosegi, A., Sánchez-Montoya, M.M., Finlayson, C.M., Melita, M., Oliveira Junior, E.S., Muniz, C.C., Gómez-Gener, L., Leigh, C., Zhang, Q., Marcé, R., Keller, Philipp, Catalán, N., von Schiller, D., Grossart, H.-P., Koschorreck, Matthias, Obrador, B., Frassl, Marieke, Karakaya, N., Barros, N., Howitt, J.A., Mendoza-Lera, C., Pastor, A., Flaim, G., Aben, R., Riis, T., Arce, M.I., Onandia, G., Paranaíba, J.R., Linkhorst, A., del Campo, R., Amado, A.M., Cauvy-Fraunié, S., Brothers, S., Condon, J., Mendonça, R.F., Reverey, F., Rõõm, E.-I., Datry, T., Roland, F., Laas, A., Obertegger, U., Park, J.-H., Wang, H., Kosten, S., Gómez, R., Feijoó, C., Elosegi, A., Sánchez-Montoya, M.M., Finlayson, C.M., Melita, M., Oliveira Junior, E.S., Muniz, C.C., Gómez-Gener, L., Leigh, C., Zhang, Q., and Marcé, R.

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.

Published
2020

44. toekomst van voormalige brakwatervenen : de abiotische effecten van verhoogde zoutconcentraties

Author

Dijk, G. van, Smolders, A.J.P., Veer, R. van 't, Loeb, R., Lamers, L.P.M., Nijp, J.J., Kosten, S., Kleef, H.H. van, Cusell, C., Westendorp, P.J., Dijk, G. van, Smolders, A.J.P., Veer, R. van 't, Loeb, R., Lamers, L.P.M., Nijp, J.J., Kosten, S., Kleef, H.H. van, Cusell, C., and Westendorp, P.J.

Abstract

Het waterbeheer in laagvenen met een historische brakwaterinvloed is gericht op verzoeting. Hierdoor is de voor deze gebieden karakteristieke, unieke brakwaterflora de afgelopen decennia sterk afgenomen. In de toekomst worden verhoogde zoutconcentraties verwacht, maar er zijn maar weinig gegevens beschikbaar over de consequenties van stijgende zoutconcentraties. Dit artikel behandelt de abiotische effecten van verbrakking van voormalige brakwatervenen. Het blijkt dat verbrakking hier niet tot de gevreesde negatieve effecten leidt.

Published
2020

45. Global CO2 emissions from dry inland waters share common drivers across ecosystems

Author

German Research Foundation, Ministerio de Ciencia, Innovación y Universidades (España), Eusko Jaurlaritza, Fundación BBVA, European Research Council, Conselho Nacional de Desenvolvimento Científico e Tecnológico (Brasil), Carlsberg Foundation, Dutch Research Council, Ministry of Education and Research (Estonia), Estonian Research Council, National Research Foundation of Korea, Federal Ministry of Education and Research (Germany), German Academic Exchange Service, Fundación Séneca, Fundación Ramón Areces, Universidad de Murcia, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Brasil), Office français de la biodiversité (France), Agencia Estatal de Investigación (España), European Commission, European Cooperation in Science and Technology, Keller, P S, Catalán, Núria, Von Schiller, D., Grossart, H-P, Koschorreck, M, Obrador, Biel, Frassl, M A, Karakaya, N, Barros, N, Howitt, J A, Mendoza-Lera, Clara, Pastor, Ada, Flaim, G, Aben, R, Riis, T, Arce, M I, Onandía, Gabriela, Paranaíba, J R, Linkhorst, A, del Campo, Rubén, Amado, A M, Cauvy-Fraunié, S, Brothers, S, Condon, J, Mendonça, R F, Reverey, F, Rõõm, E-I, Datry, T, Roland, F, Laas, A, Obertegger, U, Park, J-H, Wang, H, Kosten, S, Gómez, R, Feijoó, C, Elosegi, A, Sánchez-Montoya, María Mar, Finlayson, C M, Melita, M, Oliveira Junior, E S, Muniz, C C, Gómez-Gener, Lluís, Leigh, C, Zhang, Q, Marcé, Rafael, German Research Foundation, Ministerio de Ciencia, Innovación y Universidades (España), Eusko Jaurlaritza, Fundación BBVA, European Research Council, Conselho Nacional de Desenvolvimento Científico e Tecnológico (Brasil), Carlsberg Foundation, Dutch Research Council, Ministry of Education and Research (Estonia), Estonian Research Council, National Research Foundation of Korea, Federal Ministry of Education and Research (Germany), German Academic Exchange Service, Fundación Séneca, Fundación Ramón Areces, Universidad de Murcia, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Brasil), Office français de la biodiversité (France), Agencia Estatal de Investigación (España), European Commission, European Cooperation in Science and Technology, Keller, P S, Catalán, Núria, Von Schiller, D., Grossart, H-P, Koschorreck, M, Obrador, Biel, Frassl, M A, Karakaya, N, Barros, N, Howitt, J A, Mendoza-Lera, Clara, Pastor, Ada, Flaim, G, Aben, R, Riis, T, Arce, M I, Onandía, Gabriela, Paranaíba, J R, Linkhorst, A, del Campo, Rubén, Amado, A M, Cauvy-Fraunié, S, Brothers, S, Condon, J, Mendonça, R F, Reverey, F, Rõõm, E-I, Datry, T, Roland, F, Laas, A, Obertegger, U, Park, J-H, Wang, H, Kosten, S, Gómez, R, Feijoó, C, Elosegi, A, Sánchez-Montoya, María Mar, Finlayson, C M, Melita, M, Oliveira Junior, E S, Muniz, C C, Gómez-Gener, Lluís, Leigh, C, Zhang, Q, and Marcé, Rafael

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.

Published
2020

47. Chapter 7: Wetlands

Author

Lovelock, C.E., Evans, C., Barros, N., Prairie, Y., Alm, J., Bastviken, D., Beaulieu, J.J., Garneau, M., Harby, A., Harrison, L.M., Pare, D., Raadal, H.L., Sherman, B., Zhang, C, Ogle, S.M., Grinham, A., Deemer, B., Kosten, S., Peacock, M., Li, Z, Stepanenko, V., Buendia, C., and Buendia, C.

Subjects
Forestry and Other Land Use, Aquatic Ecology, Agriculture, Agriculture, Forestry and Other Land Use
Abstract

Contains fulltext : 205862.pdf (Publisher’s version ) (Open Access)

Published
2019

49. Global patterns and drivers of ecosystem functioning in rivers and riparian zones

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, C.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, S., 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, C.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 A, Woelfl, Stefan, Xenopoulos, Marguerite A., Yates, Adam G., Yoshimura, Chihiro, Yule, Catherine M., Zhang, Yixin X., Zwart, Jacob A., 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, C.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, S., 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, C.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 A, Woelfl, Stefan, Xenopoulos, Marguerite A., Yates, Adam G., Yoshimura, Chihiro, Yule, Catherine M., Zhang, Yixin X., and Zwart, Jacob A.

Abstract

01 januari 2019, Contains fulltext : 203830.pdf (publisher's version ) (Open Access), 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.

Published
2019

50. Pigments in surface sediments of South American shallow lakes as an integrative proxy for primary producers and their drivers

Author

Buchaca, Teresa, Kosten, S., Lacerot, Gissell, Mazzeo, Nestor, Kruk, Carla, Huszar, Vera, Lotter, Andre F., Jeppesen, Erik, Buchaca, Teresa, Kosten, S., Lacerot, Gissell, Mazzeo, Nestor, Kruk, Carla, Huszar, Vera, Lotter, Andre F., and Jeppesen, Erik

Abstract

Contains fulltext : 210198.pdf (Publisher’s version ) (Closed access), Pigments in lake surface sediments integrate both benthic and pelagic primary producer composition at the whole-lake ecosystem level. We gathered a comprehensive set of water chemistry, morphometric, physical and biological lake variables, catchment and climate characteristics, and geographical descriptors. We used multiple regressions to relate whole-lake algal pigment concentration to environmental conditions and multivariate statistical analyses to assess the factors most associated with photoautotrophic algal and bacterial community composition. The relative influence of environmental factors and spatial distribution was assessed by variance partitioning analysis among three groups of variables: (1) in-lake factors, (2) external factors, and (3) geographic descriptors. Pigment concentration and community composition were most sensitive to in-lake factors. Pigment-inferred abundance of algae, including cyanobacteria, tended to be highest in shallower systems with high nutrient concentrations, independent of the latitudinal temperature or irradiance gradients. Pigment-inferred community composition was best explained by nutrients and biotic composition (zooplankton and fish communities). Only in maritime temperate lakes did a link with regional location occur due to their low dissolved inorganic nitrogen to soluble reactive phosphorus ratios (1.5 atomic ratio), suggesting nitrogen limitation of phytoplankton growth; accordingly, the sediment pigments revealed cyanobacteria to be the dominant group, although this may also be a consequence of the overall high nutrient levels in these lakes. Despite the large climate gradient covered, in-lake rather than external factors were associated with the patterns observed in pigment concentration (from benthic and pelagic microorganisms) and inferred composition and abundance in these shallow lakes. Our results suggest that pigment assemblages in sediments, which integrate both benthic and pelagic microbial photoauto

Published
2019

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