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1. Global data set of long-term summertime vertical temperature profiles in 153 lakes

Author

Pilla, R, Mette, E, Williamson, C, Adamovich, B, Adrian, R, Anneville, O, Balseiro, E, Ban, S, Chandra, S, Colom-Montero, W, Devlin, S, Dix, M, Dokulil, M, Feldsine, N, Feuchtmayr, H, Fogarty, N, Gaiser, E, Girdner, S, Gonzalez, M, Hambright, K, Hamilton, D, Havens, K, Hessen, D, Hetzenauer, H, Higgins, S, Huttula, T, Huuskonen, H, Isles, P, Joehnk, K, Keller, W, Klug, J, Knoll, L, Korhonen, J, Korovchinsky, N, Koster, O, Kraemer, B, Leavitt, P, Leoni, B, Lepori, F, Lepskaya, E, Lottig, N, Luger, M, Maberly, S, Macintyre, S, Mcbride, C, Mcintyre, P, Melles, S, Modenutti, B, Muller-Navarra, D, Pacholski, L, Paterson, A, Pierson, D, Pislegina, H, Plisnier, P, Richardson, D, Rimmer, A, Rogora, M, Rogozin, D, Rusak, J, Rusanovskaya, O, Sadro, S, Salmaso, N, Saros, J, Sarvala, J, Saulnier-Talbot, E, Schindler, D, Shimaraeva, S, Silow, E, Sitoki, L, Sommaruga, R, Straile, D, Strock, K, Swain, H, Tallant, J, Thiery, W, Timofeyev, M, Tolomeev, A, Tominaga, K, Vanni, M, Verburg, P, Vinebrooke, R, Wanzenbock, J, Weathers, K, Weyhenmeyer, G, Zadereev, E, Zhukova, T, Pilla R. M., Mette E. M., Williamson C. E., Adamovich B. V., Adrian R., Anneville O., Balseiro E., Ban S., Chandra S., Colom-Montero W., Devlin S. P., Dix M. A., Dokulil M. T., Feldsine N. A., Feuchtmayr H., Fogarty N. K., Gaiser E. E., Girdner S. F., Gonzalez M. J., Hambright K. D., Hamilton D. P., Havens K., Hessen D. O., Hetzenauer H., Higgins S. N., Huttula T. H., Huuskonen H., Isles P. D. F., Joehnk K. D., Keller W. B., Klug J., Knoll L. B., Korhonen J., Korovchinsky N. M., Koster O., Kraemer B. M., Leavitt P. R., Leoni B., Lepori F., Lepskaya E. V., Lottig N. R., Luger M. S., Maberly S. C., MacIntyre S., McBride C., McIntyre P., Melles S. J., Modenutti B., Muller-Navarra D. C., Pacholski L., Paterson A. M., Pierson D. C., Pislegina H. V., Plisnier P. -D., Richardson D. C., Rimmer A., Rogora M., Rogozin D. Y., Rusak J. A., Rusanovskaya O. O., Sadro S., Salmaso N., Saros J. E., Sarvala J., Saulnier-Talbot E., Schindler D. E., Shimaraeva S. V., Silow E. A., Sitoki L. M., Sommaruga R., Straile D., Strock K. E., Swain H., Tallant J. M., Thiery W., Timofeyev M. A., Tolomeev A. P., Tominaga K., Vanni M. J., Verburg P., Vinebrooke R. D., Wanzenbock J., Weathers K., Weyhenmeyer G. A., Zadereev E. S., Zhukova T. V., Pilla, R, Mette, E, Williamson, C, Adamovich, B, Adrian, R, Anneville, O, Balseiro, E, Ban, S, Chandra, S, Colom-Montero, W, Devlin, S, Dix, M, Dokulil, M, Feldsine, N, Feuchtmayr, H, Fogarty, N, Gaiser, E, Girdner, S, Gonzalez, M, Hambright, K, Hamilton, D, Havens, K, Hessen, D, Hetzenauer, H, Higgins, S, Huttula, T, Huuskonen, H, Isles, P, Joehnk, K, Keller, W, Klug, J, Knoll, L, Korhonen, J, Korovchinsky, N, Koster, O, Kraemer, B, Leavitt, P, Leoni, B, Lepori, F, Lepskaya, E, Lottig, N, Luger, M, Maberly, S, Macintyre, S, Mcbride, C, Mcintyre, P, Melles, S, Modenutti, B, Muller-Navarra, D, Pacholski, L, Paterson, A, Pierson, D, Pislegina, H, Plisnier, P, Richardson, D, Rimmer, A, Rogora, M, Rogozin, D, Rusak, J, Rusanovskaya, O, Sadro, S, Salmaso, N, Saros, J, Sarvala, J, Saulnier-Talbot, E, Schindler, D, Shimaraeva, S, Silow, E, Sitoki, L, Sommaruga, R, Straile, D, Strock, K, Swain, H, Tallant, J, Thiery, W, Timofeyev, M, Tolomeev, A, Tominaga, K, Vanni, M, Verburg, P, Vinebrooke, R, Wanzenbock, J, Weathers, K, Weyhenmeyer, G, Zadereev, E, Zhukova, T, Pilla R. M., Mette E. M., Williamson C. E., Adamovich B. V., Adrian R., Anneville O., Balseiro E., Ban S., Chandra S., Colom-Montero W., Devlin S. P., Dix M. A., Dokulil M. T., Feldsine N. A., Feuchtmayr H., Fogarty N. K., Gaiser E. E., Girdner S. F., Gonzalez M. J., Hambright K. D., Hamilton D. P., Havens K., Hessen D. O., Hetzenauer H., Higgins S. N., Huttula T. H., Huuskonen H., Isles P. D. F., Joehnk K. D., Keller W. B., Klug J., Knoll L. B., Korhonen J., Korovchinsky N. M., Koster O., Kraemer B. M., Leavitt P. R., Leoni B., Lepori F., Lepskaya E. V., Lottig N. R., Luger M. S., Maberly S. C., MacIntyre S., McBride C., McIntyre P., Melles S. J., Modenutti B., Muller-Navarra D. C., Pacholski L., Paterson A. M., Pierson D. C., Pislegina H. V., Plisnier P. -D., Richardson D. C., Rimmer A., Rogora M., Rogozin D. Y., Rusak J. A., Rusanovskaya O. O., Sadro S., Salmaso N., Saros J. E., Sarvala J., Saulnier-Talbot E., Schindler D. E., Shimaraeva S. V., Silow E. A., Sitoki L. M., Sommaruga R., Straile D., Strock K. E., Swain H., Tallant J. M., Thiery W., Timofeyev M. A., Tolomeev A. P., Tominaga K., Vanni M. J., Verburg P., Vinebrooke R. D., Wanzenbock J., Weathers K., Weyhenmeyer G. A., Zadereev E. S., and Zhukova T. V.

Abstract

Climate change and other anthropogenic stressors have led to long-term changes in the thermal structure, including surface temperatures, deepwater temperatures, and vertical thermal gradients, in many lakes around the world. Though many studies highlight warming of surface water temperatures in lakes worldwide, less is known about long-term trends in full vertical thermal structure and deepwater temperatures, which have been changing less consistently in both direction and magnitude. Here, we present a globally-expansive data set of summertime in-situ vertical temperature profiles from 153 lakes, with one time series beginning as early as 1894. We also compiled lake geographic, morphometric, and water quality variables that can influence vertical thermal structure through a variety of potential mechanisms in these lakes. These long-term time series of vertical temperature profiles and corresponding lake characteristics serve as valuable data to help understand changes and drivers of lake thermal structure in a time of rapid global and ecological change.

Published
2021

2. Scientists’ Warning to Humanity: Rapid degradation of the world's large lakes

Author

Jenny, J, Anneville, O, Arnaud, F, Baulaz, Y, Bouffard, D, Domaizon, I, Bocaniov, S, Chevre, N, Dittrich, M, Dorioz, J, Dunlop, E, Dur, G, Guillard, J, Guinaldo, T, Jacquet, S, Jamoneau, A, Jawed, Z, Jeppesen, E, Krantzberg, G, Lenters, J, Leoni, B, Meybeck, M, Nava, V, Noges, T, Noges, P, Patelli, M, Pebbles, V, Perga, M, Rasconi, S, Ruetz, C, Rudstam, L, Salmaso, N, Sapna, S, Straile, D, Tammeorg, O, Twiss, M, Uzarski, D, Ventela, A, Vincent, W, Wilhelm, S, Wangberg, S, Weyhenmeyer, G, Jenny J. -P., Anneville O., Arnaud F., Baulaz Y., Bouffard D., Domaizon I., Bocaniov S. A., Chevre N., Dittrich M., Dorioz J. -M., Dunlop E. S., Dur G., Guillard J., Guinaldo T., Jacquet S., Jamoneau A., Jawed Z., Jeppesen E., Krantzberg G., Lenters J., Leoni B., Meybeck M., Nava V., Noges T., Noges P., Patelli M., Pebbles V., Perga M. -E., Rasconi S., Ruetz C. R., Rudstam L., Salmaso N., Sapna S., Straile D., Tammeorg O., Twiss M. R., Uzarski D. G., Ventela A. -M., Vincent W. F., Wilhelm S. W., Wangberg S. -A., Weyhenmeyer G. A., Jenny, J, Anneville, O, Arnaud, F, Baulaz, Y, Bouffard, D, Domaizon, I, Bocaniov, S, Chevre, N, Dittrich, M, Dorioz, J, Dunlop, E, Dur, G, Guillard, J, Guinaldo, T, Jacquet, S, Jamoneau, A, Jawed, Z, Jeppesen, E, Krantzberg, G, Lenters, J, Leoni, B, Meybeck, M, Nava, V, Noges, T, Noges, P, Patelli, M, Pebbles, V, Perga, M, Rasconi, S, Ruetz, C, Rudstam, L, Salmaso, N, Sapna, S, Straile, D, Tammeorg, O, Twiss, M, Uzarski, D, Ventela, A, Vincent, W, Wilhelm, S, Wangberg, S, Weyhenmeyer, G, Jenny J. -P., Anneville O., Arnaud F., Baulaz Y., Bouffard D., Domaizon I., Bocaniov S. A., Chevre N., Dittrich M., Dorioz J. -M., Dunlop E. S., Dur G., Guillard J., Guinaldo T., Jacquet S., Jamoneau A., Jawed Z., Jeppesen E., Krantzberg G., Lenters J., Leoni B., Meybeck M., Nava V., Noges T., Noges P., Patelli M., Pebbles V., Perga M. -E., Rasconi S., Ruetz C. R., Rudstam L., Salmaso N., Sapna S., Straile D., Tammeorg O., Twiss M. R., Uzarski D. G., Ventela A. -M., Vincent W. F., Wilhelm S. W., Wangberg S. -A., and Weyhenmeyer G. A.

Abstract

Large lakes of the world are habitats for diverse species, including endemic taxa, and are valuable resources that provide humanity with many ecosystem services. They are also sentinels of global and local change, and recent studies in limnology and paleolimnology have demonstrated disturbing evidence of their collective degradation in terms of depletion of resources (water and food), rapid warming and loss of ice, destruction of habitats and ecosystems, loss of species, and accelerating pollution. Large lakes are particularly exposed to anthropogenic and climatic stressors. The Second Warning to Humanity provides a framework to assess the dangers now threatening the world's large lake ecosystems and to evaluate pathways of sustainable development that are more respectful of their ongoing provision of services. Here we review current and emerging threats to the large lakes of the world, including iconic examples of lake management failures and successes, from which we identify priorities and approaches for future conservation efforts. The review underscores the extent of lake resource degradation, which is a result of cumulative perturbation through time by long-term human impacts combined with other emerging stressors. Decades of degradation of large lakes have resulted in major challenges for restoration and management and a legacy of ecological and economic costs for future generations. Large lakes will require more intense conservation efforts in a warmer, increasingly populated world to achieve sustainable, high-quality waters. This Warning to Humanity is also an opportunity to highlight the value of a long-term lake observatory network to monitor and report on environmental changes in large lake ecosystems.

Published
2020

6. Storm impacts on phytoplankton community dynamics in lakes

Author

Stockwell, J.D., Doubek, J.P., Adrian, R., Anneville, O., Carey, C.C., Carvalho, L., De Senerpont Domis, L.N., Dur, G., Frassl, M.A., Grossart, H.-P., Ibelings, B.W., Lajeunesse, M.J., Lewandowska, A.M., Llames, M.E., Matsuzaki, S.-I.S., Nodine, E.R., Nõges, P., Patil, V.P., Pomati, F., Rinke, Karsten, Rudstam, L.G., Rusak, J.A., Salmaso, N., Seltmann, C.T., Straile, D., Thackeray, S.J., Thiery, W., Urrutia‐Cordero, P., Venail, P., Verburg, P., Woolway, R.I., Zohary, T., Andersen, M.R., Bhattacharya, R., Hejzlar, J., Janatian, N., Kpodonu, A.T.N.K., Williamson, T.J., Wilson, H.L., Stockwell, J.D., Doubek, J.P., Adrian, R., Anneville, O., Carey, C.C., Carvalho, L., De Senerpont Domis, L.N., Dur, G., Frassl, M.A., Grossart, H.-P., Ibelings, B.W., Lajeunesse, M.J., Lewandowska, A.M., Llames, M.E., Matsuzaki, S.-I.S., Nodine, E.R., Nõges, P., Patil, V.P., Pomati, F., Rinke, Karsten, Rudstam, L.G., Rusak, J.A., Salmaso, N., Seltmann, C.T., Straile, D., Thackeray, S.J., Thiery, W., Urrutia‐Cordero, P., Venail, P., Verburg, P., Woolway, R.I., Zohary, T., Andersen, M.R., Bhattacharya, R., Hejzlar, J., Janatian, N., Kpodonu, A.T.N.K., Williamson, T.J., and Wilson, H.L.

Abstract

In many regions across the globe, extreme weather events such as storms have increased in frequency, intensity, and duration due to climate change. Ecological theory predicts that such extreme events should have large impacts on ecosystem structure and function. High winds and precipitation associated with storms can affect lakes via short‐term runoff events from watersheds and physical mixing of the water column. In addition, lakes connected to rivers and streams will also experience flushing due to high flow rates. Although we have a well‐developed understanding of how wind and precipitation events can alter lake physical processes and some aspects of biogeochemical cycling, our mechanistic understanding of the emergent responses of phytoplankton communities is poor. Here we provide a comprehensive synthesis that identifies how storms interact with lake and watershed attributes and their antecedent conditions to generate changes in lake physical and chemical environments. Such changes can restructure phytoplankton communities and their dynamics, as well as result in altered ecological function (e.g., carbon, nutrient and energy cycling) in the short‐ and long‐term. We summarize the current understanding of storm‐induced phytoplankton dynamics, identify knowledge gaps with a systematic review of the literature, and suggest future research directions across a gradient of lake types and environmental conditions.

Published
2020

9. The Effects of Hypoxia on Zooplankton Population Estimates and Migration in Lakes

Author

Goldfarb, S, Doubek, J, Antão-Geraldes, A, Bartrons, M, Berger, S, Brentrup, J, Brucet, S, Burnet, S, Caputo Galarce, L, Carey, C, Christoffersen, K, de Eyto, E, Dur, G, Erdoğan, S, Erina, O, Grossart, H, Kainz, M, Kankılıç, G, Khan, S, Leoni, B, Lepori, F, Mccarthy, V, Nava, V, Nejstgaard, J, Obertegger, U, Ogorelec, Z, Ozen, A, Pascual, M, Paterson, M, Patelli, M, Qiu, Q, Richardson, D, Sepulveda-Jauregui, A, Silva, L, Straile, D, Tartarotti, B, Tavşanoğlu, U, Tereshina, M, Umaña-Villalobos, G, Walles, T, Wander, H, Wurtsbaugh, W, Stockwell, S, Goldfarb, SK, Bartrons, M., Berger, S., Brentrup, JA, Carey, CC, Christoffersen, K., Grossart, HP, Kainz, M., Kankılıç, GB, McCarthy, V, Tavşanoğlu, UN, Wander, HL, Goldfarb, S, Doubek, J, Antão-Geraldes, A, Bartrons, M, Berger, S, Brentrup, J, Brucet, S, Burnet, S, Caputo Galarce, L, Carey, C, Christoffersen, K, de Eyto, E, Dur, G, Erdoğan, S, Erina, O, Grossart, H, Kainz, M, Kankılıç, G, Khan, S, Leoni, B, Lepori, F, Mccarthy, V, Nava, V, Nejstgaard, J, Obertegger, U, Ogorelec, Z, Ozen, A, Pascual, M, Paterson, M, Patelli, M, Qiu, Q, Richardson, D, Sepulveda-Jauregui, A, Silva, L, Straile, D, Tartarotti, B, Tavşanoğlu, U, Tereshina, M, Umaña-Villalobos, G, Walles, T, Wander, H, Wurtsbaugh, W, Stockwell, S, Goldfarb, SK, Bartrons, M., Berger, S., Brentrup, JA, Carey, CC, Christoffersen, K., Grossart, HP, Kainz, M., Kankılıç, GB, McCarthy, V, Tavşanoğlu, UN, and Wander, HL

Published
2019

11. A European Multi Lake Survey dataset of environmental variables, phytoplankton pigments and cyanotoxins

Author

Mantzouki, E., Campbell, J., van Loon, E., Visser, P., Konstantinou, I., Antoniou, M., Giuliani, G., Machado-Vieira, D., Gurjão de Oliveira, A., Maronić, D.Š., Stević, F., Pfeiffer, T.Ž., Vucelić, I.B., Žutinić, P., Udovič, M.G., Plenković-Moraj, A., Tsiarta, N., Bláha, L., Geriš, R., Fránková, M., Christoffersen, K.S., Warming, T.P., Feldmann, T., Laas, A., Panksep, K., Tuvikene, L., Kangro, K., Häggqvist, K., Salmi, P., Arvola, L., Fastner, J., Straile, D., Rothhaupt, K.O., Fonvielle, J., Grossart, H.P., Avagianos, C., Kaloudis, T., Triantis, T., Zervou, S.K., Hiskia, A., Gkelis, S., Panou, M., McCarthy, V., de Senerpont Domis, L.N., Seelen, L., Verstijnen, Y., Lürling, M., Maliaka, V., Faassen, E.J., Mantzouki, E., Campbell, J., van Loon, E., Visser, P., Konstantinou, I., Antoniou, M., Giuliani, G., Machado-Vieira, D., Gurjão de Oliveira, A., Maronić, D.Š., Stević, F., Pfeiffer, T.Ž., Vucelić, I.B., Žutinić, P., Udovič, M.G., Plenković-Moraj, A., Tsiarta, N., Bláha, L., Geriš, R., Fránková, M., Christoffersen, K.S., Warming, T.P., Feldmann, T., Laas, A., Panksep, K., Tuvikene, L., Kangro, K., Häggqvist, K., Salmi, P., Arvola, L., Fastner, J., Straile, D., Rothhaupt, K.O., Fonvielle, J., Grossart, H.P., Avagianos, C., Kaloudis, T., Triantis, T., Zervou, S.K., Hiskia, A., Gkelis, S., Panou, M., McCarthy, V., de Senerpont Domis, L.N., Seelen, L., Verstijnen, Y., Lürling, M., Maliaka, V., and Faassen, E.J.

Abstract

Under ongoing climate change and increasing anthropogenic activity, which continuously challenge ecosystem resilience, an in-depth understanding of ecological processes is urgently needed. Lakes, as providers of numerous ecosystem services, face multiple stressors that threaten their functioning. Harmful cyanobacterial blooms are a persistent problem resulting from nutrient pollution and climate-change induced stressors, like poor transparency, increased water temperature and enhanced stratification. Consistency in data collection and analysis methods is necessary to achieve fully comparable datasets and for statistical validity, avoiding issues linked to disparate data sources. The European Multi Lake Survey (EMLS) in summer 2015 was an initiative among scientists from 27 countries to collect and analyse lake physical, chemical and biological variables in a fully standardized manner. This database includes in-situ lake variables along with nutrient, pigment and cyanotoxin data of 369 lakes in Europe, which were centrally analysed in dedicated laboratories. Publishing the EMLS methods and dataset might inspire similar initiatives to study across large geographic areas that will contribute to better understanding lake responses in a changing environment.

Published
2018

12. A European Multi Lake Survey dataset of environmental variables, phytoplankton pigments and cyanotoxins

Author

European Cooperation in Science and Technology, Hernández, Armand [0000-0001-7245-9863], Mantzouki, E., Campbell, James, van Loon, E., Visser, P., Konstantinou, I., Antoniou, M., Giuliani, G., Machado-Vieira, D., Gurjão de Oliveira, Alinne, Maronić, D.Š., Stević, F., Hiskia, A., Gkelis, S., Walusiak, E., Panou, M., McCarthy, V., Budzyńska, A., Perello, V.C., Kostrzewska-Szlakowska, I., Gonçalves, V., Skjelbred, B., Palomino, Roberto L., Obertegger, U., Boscaini, A., Flaim, G., Salmaso, N., Gagala, I., Cerasino, L., Mankiewicz-Boczek, J., Hansson, L. A., Grabowska, M., Karpowicz, M., Rodríguez-Pérez, E., Chmura, D., Nawrocka, L., Kozak, A., Kobos, J., Rosińska, J., Seelen, L., Toporowska, M., Pawlik-Skowronska, B., Urrutia-Cordero, Pablo, Niedźwiecki, M., Maliaka, V., Pęczuła, W., Wasilewicz, M., Napiórkowska-Krzebietke, A., Ochocka, A., Beklioğlu, M., Szeląg-Wasielewska, E., Domek, P., Teurlincx, S., Jakubowska-Krepska, N., Tavşanoğlu, ÜN., Carballeira, R., Kwasizur, K., Drastichova, I., Messyasz, B., Chomova, L., Soylu, E.N., Pasztaleniec, A., Jasser, I., Filiz, N., Antão-Geraldes, A. M., Bilgin, F., Camacho, A., Özen, A., Leira, M., Hernández, Armand, Vasconcelos, V., Remec-Rekar, S., Pfeiffer, T.Ž., Eleršek, Tina, Delgado-Martín, Jordi, Yağcı, M.A., García, D., Bezirci, G., Bláha, L., Bravo, Andrea G., Verstijnen, Y., Cereijo, J. L., Gomà, Joan, Trapote, M.C., Vegas-Vilarrúbia, Teresa, Obrador, B., García-Murcia, A., Real, M., Picazo, Antoni, Vucelić, I.B., Romans, E., Cesur, M., Çınar, Ş., Lürling, M., Levi, E., Noguero-Ribes, J., Duque, D.P., Fernández-Morán, E., Úbeda, B., Yağcı, A., Gálvez, J.Á., Marcé, Rafael, Catalán, N., Buck, Moritz, Pérez-Martínez, Carmen, Ramos-Rodríguez, E., Tsiarta, N., Žutinić, P., Iskin, U., Çapkın, K., Udovič, M.G., Cillero-Castro, C., Moreno-Ostos, Enrique, Blanco, J. M., Rodríguez, V., Plenković-Moraj, Anđelka, Montes-Pérez, J.J., Colom-Montero, W., Koreivienė, J., Rochera, C., Santamans, A. C., Ferriol, C., Romo, S., Faassen, E.J., Soria, J. M., Latour, D., Mazur-Marzec, Hanna, Mustonen, K., Pierson, D., Kasperovičienė, J., Yang, Y., Verspagen, Jolanda M. H., Çelik, K., de Senerpont Domis, L.N., Özhan, K., Dunalska, J., Carey, C.C., Paerl, Hans, Alcaraz-Párraga, P., Torokne, A., Goldyn, R., Karan, T., Bulut, C., Demir, N., Uysal, R., Pełechata, A., Karakaya, N., Koçer, M.A.T., Sieńska, J., Yilmaz, M., Bańkowska-Sobczak, A., Savadova, K., Maraşlıoğlu, F., Geriš, R., Fakioglu, Ö., Fránková, M., Morais, J., Köker, L., Bergkemper, V., Pełechaty, M., O'Leary, S., Nemova, H., Vitonytė, I., Wilk-Woźniak, E., Beirne, E., Cromie, H., Ibelings, Bas W., Christoffersen, K. S., Warming, T.P., Feldmann, T., Laas, A., Vale, M., Panksep, K., Frąk, M., Kokocinski, M., Krztoń, W., Szymański, D., Tuvikene, L., Kangro, K., Häggqvist, K., Salmi, P., Arvola, L., Fastner, J., Straile, D., Haande, S., Rothhaupt, K. O., Fonvielle, J., Krstić, S., Raposeiro, P. M., Kruk, M., Madrecka, B., Grossart, Hans-Peter, Avagianos, C., Kaloudis, T., Triantis, T., Aleksovski, B., Zervou, S. K., European Cooperation in Science and Technology, Hernández, Armand [0000-0001-7245-9863], Mantzouki, E., Campbell, James, van Loon, E., Visser, P., Konstantinou, I., Antoniou, M., Giuliani, G., Machado-Vieira, D., Gurjão de Oliveira, Alinne, Maronić, D.Š., Stević, F., Hiskia, A., Gkelis, S., Walusiak, E., Panou, M., McCarthy, V., Budzyńska, A., Perello, V.C., Kostrzewska-Szlakowska, I., Gonçalves, V., Skjelbred, B., Palomino, Roberto L., Obertegger, U., Boscaini, A., Flaim, G., Salmaso, N., Gagala, I., Cerasino, L., Mankiewicz-Boczek, J., Hansson, L. A., Grabowska, M., Karpowicz, M., Rodríguez-Pérez, E., Chmura, D., Nawrocka, L., Kozak, A., Kobos, J., Rosińska, J., Seelen, L., Toporowska, M., Pawlik-Skowronska, B., Urrutia-Cordero, Pablo, Niedźwiecki, M., Maliaka, V., Pęczuła, W., Wasilewicz, M., Napiórkowska-Krzebietke, A., Ochocka, A., Beklioğlu, M., Szeląg-Wasielewska, E., Domek, P., Teurlincx, S., Jakubowska-Krepska, N., Tavşanoğlu, ÜN., Carballeira, R., Kwasizur, K., Drastichova, I., Messyasz, B., Chomova, L., Soylu, E.N., Pasztaleniec, A., Jasser, I., Filiz, N., Antão-Geraldes, A. M., Bilgin, F., Camacho, A., Özen, A., Leira, M., Hernández, Armand, Vasconcelos, V., Remec-Rekar, S., Pfeiffer, T.Ž., Eleršek, Tina, Delgado-Martín, Jordi, Yağcı, M.A., García, D., Bezirci, G., Bláha, L., Bravo, Andrea G., Verstijnen, Y., Cereijo, J. L., Gomà, Joan, Trapote, M.C., Vegas-Vilarrúbia, Teresa, Obrador, B., García-Murcia, A., Real, M., Picazo, Antoni, Vucelić, I.B., Romans, E., Cesur, M., Çınar, Ş., Lürling, M., Levi, E., Noguero-Ribes, J., Duque, D.P., Fernández-Morán, E., Úbeda, B., Yağcı, A., Gálvez, J.Á., Marcé, Rafael, Catalán, N., Buck, Moritz, Pérez-Martínez, Carmen, Ramos-Rodríguez, E., Tsiarta, N., Žutinić, P., Iskin, U., Çapkın, K., Udovič, M.G., Cillero-Castro, C., Moreno-Ostos, Enrique, Blanco, J. M., Rodríguez, V., Plenković-Moraj, Anđelka, Montes-Pérez, J.J., Colom-Montero, W., Koreivienė, J., Rochera, C., Santamans, A. C., Ferriol, C., Romo, S., Faassen, E.J., Soria, J. M., Latour, D., Mazur-Marzec, Hanna, Mustonen, K., Pierson, D., Kasperovičienė, J., Yang, Y., Verspagen, Jolanda M. H., Çelik, K., de Senerpont Domis, L.N., Özhan, K., Dunalska, J., Carey, C.C., Paerl, Hans, Alcaraz-Párraga, P., Torokne, A., Goldyn, R., Karan, T., Bulut, C., Demir, N., Uysal, R., Pełechata, A., Karakaya, N., Koçer, M.A.T., Sieńska, J., Yilmaz, M., Bańkowska-Sobczak, A., Savadova, K., Maraşlıoğlu, F., Geriš, R., Fakioglu, Ö., Fránková, M., Morais, J., Köker, L., Bergkemper, V., Pełechaty, M., O'Leary, S., Nemova, H., Vitonytė, I., Wilk-Woźniak, E., Beirne, E., Cromie, H., Ibelings, Bas W., Christoffersen, K. S., Warming, T.P., Feldmann, T., Laas, A., Vale, M., Panksep, K., Frąk, M., Kokocinski, M., Krztoń, W., Szymański, D., Tuvikene, L., Kangro, K., Häggqvist, K., Salmi, P., Arvola, L., Fastner, J., Straile, D., Haande, S., Rothhaupt, K. O., Fonvielle, J., Krstić, S., Raposeiro, P. M., Kruk, M., Madrecka, B., Grossart, Hans-Peter, Avagianos, C., Kaloudis, T., Triantis, T., Aleksovski, B., and Zervou, S. K.

Abstract

Under ongoing climate change and increasing anthropogenic activity, which continuously challenge ecosystem resilience, an in-depth understanding of ecological processes is urgently needed. Lakes, as providers of numerous ecosystem services, face multiple stressors that threaten their functioning. Harmful cyanobacterial blooms are a persistent problem resulting from nutrient pollution and climate-change induced stressors, like poor transparency, increased water temperature and enhanced stratification. Consistency in data collection and analysis methods is necessary to achieve fully comparable datasets and for statistical validity, avoiding issues linked to disparate data sources. The European Multi Lake Survey (EMLS) in summer 2015 was an initiative among scientists from 27 countries to collect and analyse lake physical, chemical and biological variables in a fully standardized manner. This database includes in-situ lake variables along with nutrient, pigment and cyanotoxin data of 369 lakes in Europe, which were centrally analysed in dedicated laboratories. Publishing the EMLS methods and dataset might inspire similar initiatives to study across large geographic areas that will contribute to better understanding lake responses in a changing environment.

Published
2018

13. Assessing resilience in long-term ecological data sets

Author

Müller, F., Bergmann, Melanie, Dannowski, R., Dippner, A., Gnauk, A., Haase, P., Jochimsen, M.C., Kasprzak, P., Kröncke, I., Kümmerlin, R., Küster, M., Lischeid, G., Meesenburg, H., Merz, C., Millat, G., Müller, J., Padisák, J., Schimming, C.G., Schubert, H., Schuldt, M., Selmeczy, G., Shatwell, T., Stoll, S., Schwabe, M., Soltwedel, Thomas, Straile, D., Theuerkauf, M., Müller, F., Bergmann, Melanie, Dannowski, R., Dippner, A., Gnauk, A., Haase, P., Jochimsen, M.C., Kasprzak, P., Kröncke, I., Kümmerlin, R., Küster, M., Lischeid, G., Meesenburg, H., Merz, C., Millat, G., Müller, J., Padisák, J., Schimming, C.G., Schubert, H., Schuldt, M., Selmeczy, G., Shatwell, T., Stoll, S., Schwabe, M., Soltwedel, Thomas, Straile, D., and Theuerkauf, M.

Abstract

In this paper the concept of resilience is discussed on the base of 13 case studies from the German branch of the International Long-Term Ecological Research Program. In the introduction the resilience approach is presented as one possibility to describe ecosystem dynamics. The relations with the concepts of adaptability and ecological integrity are discussed and the research questions are formulated. The focal research objectives are related to the conditions of resilient behaviour of ecosystems, the role of spatio-temporal scales, the differences between short- or long-term dynamics, the basic methodological requirements to exactly define resilience, the role of the reference state and indicators and the suitability of resilience as a management concept. The main part of the paper consists of 13 small case study descriptions, which demonstrate phase transitions and resilient dynamics of several terrestrial and aquatic ecosystems at different time scales. In the discussion, some problems arising from the interpretation of the time series are highlighted and discussed. The topics of discussion are the conceptual challenges of the resilience approach, methodological problems, the role of indicator selection, the complex interactions between different disturbances, the significance of time scales and a comparison of the case studies. The article ends with a conclusion which focuses on the demand to link resilience with adaptability, in order to support the long-term dynamics of ecosystem development.

Published
2016

14. 7.2 Restoration responses of 19 lakes: are TP thresholds common?

Author

Chorus, I, Dokulil, M, Lammens, E, Manca, M, Nixdorf, B, Persson, G, Schindler, D, Straile, D, Tártrai, I, Tadonléké, R, Willén, E., NASELLI FLORES, Luigi, Chorus, I, Schauser, I, Dokulil, M, Lammens, E, Manca, M, Naselli-Flores, L, Nixdorf, B, Persson, G, Schindler, D, Straile, D, Tártrai, I, Tadonléké, R, and Willén, E

Subjects
Europe, restoration, deep lake, shallow lake, Phosphoru, chlorophyll "a", primary production
Published
2011

16. Assessing resilience in long-term ecological data sets

Author

Müller, F., primary, Bergmann, M., additional, Dannowski, R., additional, Dippner, J.W., additional, Gnauck, A., additional, Haase, P., additional, Jochimsen, Marc C., additional, Kasprzak, P., additional, Kröncke, I., additional, Kümmerlin, R., additional, Küster, M., additional, Lischeid, G., additional, Meesenburg, H., additional, Merz, C., additional, Millat, G., additional, Müller, J., additional, Padisák, J., additional, Schimming, C.G., additional, Schubert, H., additional, Schult, M., additional, Selmeczy, G., additional, Shatwell, T., additional, Stoll, S., additional, Schwabe, M., additional, Soltwedel, T., additional, Straile, D., additional, and Theuerkauf, M., additional

Published
2016
Full Text
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17. Major reorganisation of North Atlantic pelagic ecosystems linked to climate change

Author

Souissi, Sami, Molinero, Jc, Beaugrand, Gregory, Anneville, O., Licandro, P., Schmitt, François G, Gomez, F., Straile, D., Gerdeaux, D., Ibañez, F., Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 (LOG), Institut national des sciences de l'Univers (INSU - CNRS)-Université du Littoral Côte d'Opale (ULCO)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Nord]), Limnological Institute, University of Konstanz, Laboratoire d'océanographie de Villefranche (LOV), Observatoire océanologique de Villefranche-sur-mer (OOVM), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), and Centre National de la Recherche Scientifique (CNRS)-Université du Littoral Côte d'Opale (ULCO)-Université de Lille-Institut national des sciences de l'Univers (INSU - CNRS)

Subjects
ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2007

19. Testing the Stress Gradient Hypothesis in herbivore communities: facilitation peaks at intermediate nutrient levels

Author

Bakker, E.S., Dobrescu, I., Straile, D., Holmgren, M., Bakker, E.S., Dobrescu, I., Straile, D., and Holmgren, M.

Abstract

The role of positive interactions in structuring plant and animal communities is increasingly recognized but the generality of current theoretical models has remained practically unexplored in animal communities. The Stress Gradient Hypothesis predicts a linear increase in the intensity of facilitation as environmental conditions become increasingly stressful, whereas other theoretical models predict a maximum at intermediate environmental stress. We tested how competition and facilitation between herbivores change over a manipulated gradient of nutrient availability. We studied the effect of grazing by pond snails (Lymnaea stagnalis L.) as bulk grazers on aquatic caterpillars (Acentria ephemerella Denis & Schiffermüller) as small specialist grazers along an experimental gradient of environmental nutrient concentration. Higher nutrient levels increased overall total plant biomass but induced a shift towards dominance of filamentous algae at the expense of macrophytes. Facilitation of caterpillars by snail presence peaked at intermediate nutrient levels. Both caterpillar biomass and caterpillar grazing on macrophytes were highest at intermediate nutrient levels. Snails facilitated caterpillars possibly by removing filamentous algae and increasing access to the macrophyte resource, whereas they did not affect macrophyte biomass or C:nutrient ratios, a measure of food quality. We conclude that competition and facilitation in herbivore communities change along nutrient availability gradients that affect plant biomass and community composition. Understanding how interspecific interactions may change in strength and direction along environmental gradients is important to predict how the diversity and structure of communities may respond to the introduction or removal of herbivore species in ecosystems. Read More: http://www.esajournals.org/doi/abs/10.1890/12-1175.1, The role of positive interactions in structuring plant and animal communities is increasingly recognized but the generality of current theoretical models has remained practically unexplored in animal communities. The Stress Gradient Hypothesis predicts a linear increase in the intensity of facilitation as environmental conditions become increasingly stressful, whereas other theoretical models predict a maximum at intermediate environmental stress. We tested how competition and facilitation between herbivores change over a manipulated gradient of nutrient availability. We studied the effect of grazing by pond snails (Lymnaea stagnalis L.) as bulk grazers on aquatic caterpillars (Acentria ephemerella Denis & Schiffermüller) as small specialist grazers along an experimental gradient of environmental nutrient concentration. Higher nutrient levels increased overall total plant biomass but induced a shift towards dominance of filamentous algae at the expense of macrophytes. Facilitation of caterpillars by snail presence peaked at intermediate nutrient levels. Both caterpillar biomass and caterpillar grazing on macrophytes were highest at intermediate nutrient levels. Snails facilitated caterpillars possibly by removing filamentous algae and increasing access to the macrophyte resource, whereas they did not affect macrophyte biomass or C:nutrient ratios, a measure of food quality. We conclude that competition and facilitation in herbivore communities change along nutrient availability gradients that affect plant biomass and community composition. Understanding how interspecific interactions may change in strength and direction along environmental gradients is important to predict how the diversity and structure of communities may respond to the introduction or removal of herbivore species in ecosystems. Read More: http://www.esajournals.org/doi/abs/10.1890/12-1175.1

Published
2013

20. Effects of a half a millennium winter on a deep lake - a shape of things to come?

Author

Straile, D., Kerimoglu, O., Peeters, F., Jochimsen, M.C., Kümmerlin, R., Rinke, Karsten, Rothaupt, K.-O., Straile, D., Kerimoglu, O., Peeters, F., Jochimsen, M.C., Kümmerlin, R., Rinke, Karsten, and Rothaupt, K.-O.

Abstract

Analyses of the effects of extreme climate periods have been used as a tool to predict ecosystem functioning and processes in a warmer world. The winter half-year 2006/2007 (w06/07) has been extremely warm and was estimated to be a half-a-millennium event in central Europe. Here we analyse the consequences of w06/07 for the temperatures,mixing dynamics, phenologies and population developments of algae and daphnids (thereafter w06/07 limnology) in a deep central European lake and investigate to what extent analysis of w06/07 limnology can really be used as a predictive tool regarding future warming. Different approaches were used to put the observations during w06/07 intocontext: (1) a comparison of w06/07 limnology with long-term data, (2) a comparison of w06/07 limnology with that of the preceding year, and (3) modelling of temperature and mixing dynamics using numerical experiments. These analyses revealed that w06/07 limnology in Lake Constance was indeed very special as the lake did not mix below60m depth throughout winter. Because of this, anomalies of variables associated strongly with mixing behaviour, e.g., Schmidt stability and a measure for phosphorus upward mixing during winter exceeded several standard deviations the long-term mean of these variables. However, our modelling results suggest that this extreme hydrodynamicalbehaviour was only partially due to w06/07 meteorology per se, but depended also strongly on the large difference in air temperature to the previous cold winter which resulted in complete mixing and considerable cooling of the water column. Furthermore, modelling results demonstrated that with respect to absolute water temperatures, the model'w06/07' most likely underestimates the increase in water temperature in a warmer world as one warm winter is not sufficient to rise water temperatures in a deep lake up to those expected under a future climate.

Published
2010

21. Lakes as sentinels of climate change

Author

Adrian, R., O'Reilly, C.M., Zagarese, H., Baines, S.B., Hessen, D.O., Keller, W., Livingstone, D.M., Sommaruga, R., Straile, D., Donk, E. van, Weyhenmeyer, G.A., Winder, M., Adrian, R., O'Reilly, C.M., Zagarese, H., Baines, S.B., Hessen, D.O., Keller, W., Livingstone, D.M., Sommaruga, R., Straile, D., Donk, E. van, Weyhenmeyer, G.A., and Winder, M.

Abstract

Item does not contain fulltext

Published
2009

22. Response of heterotrophic bacteria, autotrophic picoplankton and heterotrophic nanoflagellates to re-oligotrophication

Author

Kamjunke, Norbert, Straile, D., Gaedke, U., Kamjunke, Norbert, Straile, D., and Gaedke, U.

Abstract

We investigated the response of the microbial components of the pelagic food web to re-oligotrophication of large, deep Lake Constance where total phosphorus concentrations during mixing decreased from a maximum of 2.81 mu mol L-1 in 1979 via 1.87 mu mol L-1 in 1987 to 0.26 mu mol L-1 in 2007. Measurements of heterotrophic bacteria, autotrophic picoplankton (APP) and heterotrophic nanoflagellates (HNF) in 2006 and 2007 were compared to values from 1987 to 1997. We hypothesized that the biomass and seasonal variability of all groups will decrease under more oligotrophic conditions due to reduced resource availability, particularly for APP and HNF but less for the competitively stronger bacteria. Average bacterial biomass between spring and autumn was unrelated to phosphorus, whereas the ratio of bacterial biomass to chlorophyll a concentration increased with decreasing trophy due to declining chlorophyll concentrations. In contrast, a unimodal relationship was found between APP and phosphorus with low biomass at low and high phosphorus concentrations and maximum biomass in between. Average HNF biomass decreased strongly by a factor of 10-30 with decreasing trophy, and chlorophyll-specific HNF biomass was unimodally related to phosphorus. The relative seasonal biomass variability did not change for any group during re-oligotrophication. To conclude, HNF responded much more strongly and bacteria less so than chlorophyll concentrations to oligotrophication, whereas APP exhibited a more complex pattern

Published
2009

23. Clonal architecture and patch formation of Potamogeton perfoliatus L. : in response to environmental conditions

Author

Scheffer, Marten, van Nes, Egbert, Straile, D., Wolfer, S.R., Scheffer, Marten, van Nes, Egbert, Straile, D., and Wolfer, S.R.

Abstract

Keywords submersed macrophyte, P. perfoliatus, clonal architecture, spatial growth, shoot density, rhizome, biomass allocation, growth plasticity, foraging, allometry, sediment, porewater, nutrients, fertilization, clonal integration, individual-based model, Lake Constance Clonal growth governs the aboveground growth pattern of submerged clonal macrophytes. The research project provides detailed data on the architectural growth rules of Potamogeton perfoliatus L. (perfoliate pondweed) such as rhizome spacer lengths, biomass allocation, branching frequencies, branching angles, as well as maps of rhizome networks and their seasonal development in Lake Constance. Besides architectural reasons, the causes for different sizes and shapes of P. perfoliatus patches are dependent on nutrients, light conditions, and clonal integration. Branching was positively related to both irradiation and nutrient supply. Rhizome spacer lengths were negatively related to nutrient supply and positively related to irradiation. Rhizome allocation tended to increase with irradiation and shoot allocation tended to decrease with irradiation. Root allocation was higher at low nutrient supply. Clonal growth was further complicated because the species showed complex sharing of of resources between older and younger ramets, aiming at optimal resource partitioning. We present an individual-based clonal model which is able to simulate seasonal growth of Potamogeton patches. Furthermore, it shows that architectural growth affects patch characteristics: both rhizome spacer lengths and growth of rhizome axes relative to those in the previous year considerably determine patch density and patch expansion rates. All results on clonal architecture are discussed in the light of foraging theory and allometric rules.

Published
2008

25. Long-term supra-regional coherence. Final report

Author

Livingstone, D. M., Adrian, R., Arvola, L., Blenckner, T., Dokulil, M. T., George, D. G., Hari, R. E., Jankowski, T., Järvinen, M., Jennings, M., Nic Aonghusa, C., Nõges, P., Nõges, T., Straile, D., Teubner, K., Weyhenmeyer, G. A., Livingstone, D. M., Adrian, R., Arvola, L., Blenckner, T., Dokulil, M. T., George, D. G., Hari, R. E., Jankowski, T., Järvinen, M., Jennings, M., Nic Aonghusa, C., Nõges, P., Nõges, T., Straile, D., Teubner, K., and Weyhenmeyer, G. A.

Published
2005

26. Report on changes in algal abundance in relation to weather patterns. Final report

Author

Straile, D., Adrian, R., George, D.G., Hurley, M. A., Jankowski, T., Järvinen, M., Jennings, E., Livingstone, D., Nõges, P., Nõges, T., Teubner, K., Tolotti, M., Weyhenmeyer, G., Straile, D., Adrian, R., George, D.G., Hurley, M. A., Jankowski, T., Järvinen, M., Jennings, E., Livingstone, D., Nõges, P., Nõges, T., Teubner, K., Tolotti, M., and Weyhenmeyer, G.

Published
2005

30. Long-term regional coherence. Final report

Author

Livingstone, D. M, Adrian, R, George, D. G, Järvinen, M, Nõges, P, Straile, D, Teubner, K, Weyhenmeyer, D. A., Livingstone, D. M, Adrian, R, George, D. G, Järvinen, M, Nõges, P, Straile, D, Teubner, K, and Weyhenmeyer, D. A.

Published
2004

37. Crustacean zooplankton in Lake Constance from 1920 to 1995: Response to eutrophication and re-oligotrophication

Author

Straile, D., Geller, Walter, Straile, D., and Geller, Walter

Abstract

During the first three quarters of this century, the trophic state of Lake Constance changed from oligotrophic to meso-/eutrophic conditions. The response of crustaceans to the eutrophication process is studied by comparing biomasses of crustacean zooplankton from recent years, i.e. from 1979-1995, with data from the early 1920s (AUERBACH et a1. 1924, 1926) and the 1950s (MUCKLE & MUCKLEROTTENGATTER 1976). This comparison revealed a several-fold increase in crustacean biomass. The relative biomass increase was more pronounced from the early 1920s to the 1950s than from the 1950s to the 1980s. Most important changes of the species inventory included the invasion of Cyclops vicinus and Daphnia galeata and the extinction of Heterocope borealis and Diaphanosoma brachyurum during the 1950s and early 1960s. All species which did not become extinct increased their biomass during eutrophication. This increase in biomass differed between species and throughout the season which resulted in changes in relative biomass between species. Daphnids were able to enlarge their seasonal window of relative dominance from 3 months during the 1920s (June to August) to 7 months during the 1980s (May to November). On an annual average, this resulted in a shift from a copepod dominated lake (biomass ratio cladocerans/copepods = 0.4 during 1920/24) to a cladoceran dominated lake (biomass ratio clado- cerans/copepods = 1.5 during 1979/95). The biomass of cyclopoid copepods increased strongly during the first half of the year owing to the invasion of Cyclops vicinus, which caused a strong relative decline of Eudiaptomus. In contrast to the pronounced response to eutrophication, crustaceans have not yet shown an unambiguous response to the beginning re-o1igotrophication of Lake Constance.

Published
1998

38. The response of Daphnia to changes in trophic status and weather patterns: a case study from Lake Constance

Author

Straile, D., Geller, Walter, Straile, D., and Geller, Walter

Abstract

Relationships between changes in trophic status and weather patterns and biomass of Daphnia in Lake Constance were analysed by comparing three long-term records conducted at approximately 30-year intervals. These describe the zooplankton of Lake Constance in its oligotrophic (1920-1924), mesotrophic (1952-1962), and finally meso/eutrophic (1979-1995) state. Biomass increased approximately 30-fold from the 1920s to the 1950/60s and 6-fold from the 1950/60s to the 1980/90s. The former increase was evident throughout the season, the latter was restricted to the second half of the year. Daphnid biomass has not yet shown any response to the re-oligotrophication process of Lake Constance during the 1980/90s. Within the period 1979-1995, biomass in May was significantly correlated with the North Atlantic oscillation, whereas the annual average showed no response. The magnitude of inter-annual variation in spring biomass due to climate variability was as large as the long-term response to eutrophication. Because of the key role of daphnids in freshwater ecosystems, even a temporally restricted response to climate forcing might have important consequences for the ecosystem. (C) 1998 International Council for the Exploration of the Sea.

Published
1998

39. Biogeochemical fluxes through mesozooplankton

Author

Buitenhuis, E., Le Quéré, C., Aumont, O., Beaugrand, G., Bunker, A., Hirst, A., Ikeda, T., O'brien, T., Piontkovski, S., Straile, D., Max-Planck-Institut für Biogeochemie (MPI-BGC), Laboratoire d'océanographie dynamique et de climatologie (LODYC), Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), Sir Alister Hardy Foundation for Ocean Science (SAHFOS), Heriot-Watt University [Edinburgh] (HWU), British Antarctic Survey (BAS), Natural Environment Research Council (NERC), Plankton Laboratory, Graduate School of Fisheries Sciences, Hokkaido University [Sapporo, Japan], NOAA National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), Marine Sciences Research Center, Stony Brook University [SUNY] (SBU), State University of New York (SUNY)-State University of New York (SUNY), Limnological Institute, and University of Konstanz

Subjects
biogeochemical fluxes, mesozooplankton, ddc:570, 663.68, synthesis of observations, [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph], export production, global ocean biogeochemical model, mesoozooplankton
Abstract

1

Published
2006

43. Global data set of long-term summertime vertical temperature profiles in 153 lakes

Author

Jasmine E. Saros, Gesa A. Weyhenmeyer, Scott N. Higgins, Rolf D. Vinebrooke, Pierre Denis Plisnier, Orlane Anneville, Stephanie J. Melles, Jen Klug, Jason Tallant, Noah R. Lottig, Denis Y. Rogozin, Wim Thiery, Josef Wanzenböck, Jouko Sarvala, Peter B. McIntyre, David P. Hamilton, Harald Hetzenauer, Peter D. F. Isles, Johanna Korhonen, Fabio Lepori, Rita Adrian, Michela Rogora, Martin S. Luger, Donald C. Pierson, Margaret Dix, Koji Tominaga, Peter R. Leavitt, Chris G. McBride, Svetlana V. Shimaraeva, David C. Richardson, Stephen C. Maberly, Barbara Leoni, Esteban Balseiro, Émilie Saulnier-Talbot, Karl E. Havens, Ruben Sommaruga, Timo Huttula, Maxim A. Timofeyev, Steve Sadro, Lesley B. Knoll, Heidrun Feuchtmayr, Nikolai M. Korovchinsky, Evelyn E. Gaiser, T. V. Zhukova, James A. Rusak, Craig E. Williamson, Dag O. Hessen, Wendel Keller, Hannu Huuskonen, Martin T. Dokulil, Ekaterina V. Lepskaya, Syuhei Ban, Lewis Sitoki, K. David Hambright, Beatriz Modenutti, Shawn P. Devlin, Dietmar Straile, Eugene A. Silow, Andrew M. Paterson, Laura Pacholski, Sally Macintyre, Hilary M. Swain, Dörthe C. Müller-Navarra, Alexander P. Tolomeev, Helen V. Pislegina, Oliver Köster, Sudeep Chandra, Piet Verburg, Nico Salmaso, Rachel M. Pilla, Elizabeth M. Mette, Klaus Joehnk, Michael J. Vanni, María J. González, Daniel E. Schindler, Natalie A. Feldsine, Natalie K. Fogarty, Egor S. Zadereev, William Colom-Montero, Alon Rimmer, Kristin E. Strock, Scott F. Girdner, Benjamin M. Kraemer, B. V. Adamovich, Kathleen C. Weathers, Olga O. Rusanovskaya, Pilla, R, Mette, E, Williamson, C, Adamovich, B, Adrian, R, Anneville, O, Balseiro, E, Ban, S, Chandra, S, Colom-Montero, W, Devlin, S, Dix, M, Dokulil, M, Feldsine, N, Feuchtmayr, H, Fogarty, N, Gaiser, E, Girdner, S, Gonzalez, M, Hambright, K, Hamilton, D, Havens, K, Hessen, D, Hetzenauer, H, Higgins, S, Huttula, T, Huuskonen, H, Isles, P, Joehnk, K, Keller, W, Klug, J, Knoll, L, Korhonen, J, Korovchinsky, N, Koster, O, Kraemer, B, Leavitt, P, Leoni, B, Lepori, F, Lepskaya, E, Lottig, N, Luger, M, Maberly, S, Macintyre, S, Mcbride, C, Mcintyre, P, Melles, S, Modenutti, B, Muller-Navarra, D, Pacholski, L, Paterson, A, Pierson, D, Pislegina, H, Plisnier, P, Richardson, D, Rimmer, A, Rogora, M, Rogozin, D, Rusak, J, Rusanovskaya, O, Sadro, S, Salmaso, N, Saros, J, Sarvala, J, Saulnier-Talbot, E, Schindler, D, Shimaraeva, S, Silow, E, Sitoki, L, Sommaruga, R, Straile, D, Strock, K, Swain, H, Tallant, J, Thiery, W, Timofeyev, M, Tolomeev, A, Tominaga, K, Vanni, M, Verburg, P, Vinebrooke, R, Wanzenbock, J, Weathers, K, Weyhenmeyer, G, Zadereev, E, Zhukova, T, and Hydrology and Hydraulic Engineering

Subjects
0106 biological sciences, Data Descriptor, 010504 meteorology & atmospheric sciences, lämpötilajakautuma, Limnology, Magnitude (mathematics), Oceanografi, hydrologi och vattenresurser, Atmospheric sciences, 01 natural sciences, Oceanography, Hydrology and Water Resources, happikato, Subarctic climate, ekologia, Computer Science Applications, kesä, Freshwater ecology, BIO/07 - ECOLOGIA, veden lämpeneminen, lämpötila, lämpeneminen, Statistics, Probability and Uncertainty, Information Systems, Statistics and Probability, Science, veden lämpötila, Climate change, Library and Information Sciences, järvet, Ecology and Environment, Education, limnologia, ecological data, ddc:570, Settore BIO/07 - ECOLOGIA, pystysuora sekoittuminen, otantamenetelmät, 14. Life underwater, 0105 earth and related environmental sciences, 010604 marine biology & hydrobiology, 15. Life on land, Term (time), Data set, 13. Climate action, Environmental science, subarktinen vyöhyke, Water quality, lämpötilan pystyjakauma, Surface water
Abstract

Climate change and other anthropogenic stressors have led to long-term changes in the thermal structure, including surface temperatures, deepwater temperatures, and vertical thermal gradients, in many lakes around the world. Though many studies highlight warming of surface water temperatures in lakes worldwide, less is known about long-term trends in full vertical thermal structure and deepwater temperatures, which have been changing less consistently in both direction and magnitude. Here, we present a globally-expansive data set of summertime in-situ vertical temperature profiles from 153 lakes, with one time series beginning as early as 1894. We also compiled lake geographic, morphometric, and water quality variables that can influence vertical thermal structure through a variety of potential mechanisms in these lakes. These long-term time series of vertical temperature profiles and corresponding lake characteristics serve as valuable data to help understand changes and drivers of lake thermal structure in a time of rapid global and ecological change., Measurement(s) temperature of water • temperature profile Technology Type(s) digital curation Factor Type(s) lake location • temporal interval Sample Characteristic - Environment lake • reservoir Sample Characteristic - Location global Machine-accessible metadata file describing the reported data: 10.6084/m9.figshare.14619009

Published
2021
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44. Scientists’ Warning to Humanity:Rapid degradation of the world's large lakes

Author

Jenny, Jean-Philippe, Anneville, Orlane, Arnaud, Fabien, Baulaz, Yoann, Bouffard, Damien, Domaizon, Isabelle, Bocaniov, Serghei A., Chevre, Nathalie, Dittrich, Maria, Dorioz, Jean-Marcel, Dunlop, Erin S., Dur, Gael, Guillard, Jean, Guinaldo, Thibault, Jacquet, Stephan, Jamoneau, Aurelien, Jawed, Zobia, Jeppesen, Erik, Krantzberg, Gail, Lenters, John, Leoni, Barbara, Meybeck, Michel, Nava, Veronica, Noges, Tiina, Noges, Peeter, Patelli, Martina, Pebbles, Victoria, Perga, Marie-Elodie, Rasconi, Serena, Ruetz, Carl R., Rudstam, Lars, Salmaso, Nico, Sapna, Sharma, Straile, Dietmar, Tammeorg, Olga, Twiss, Michael R., Uzarski, Donald G., Ventela, Anne-Mari, Vincent, Warwick F., Wilhelm, Steven W., Wangberg, Sten-Ake, Weyhenmeyer, Gesa A., Jenny, J, Anneville, O, Arnaud, F, Baulaz, Y, Bouffard, D, Domaizon, I, Bocaniov, S, Chevre, N, Dittrich, M, Dorioz, J, Dunlop, E, Dur, G, Guillard, J, Guinaldo, T, Jacquet, S, Jamoneau, A, Jawed, Z, Jeppesen, E, Krantzberg, G, Lenters, J, Leoni, B, Meybeck, M, Nava, V, Noges, T, Noges, P, Patelli, M, Pebbles, V, Perga, M, Rasconi, S, Ruetz, C, Rudstam, L, Salmaso, N, Sapna, S, Straile, D, Tammeorg, O, Twiss, M, Uzarski, D, Ventela, A, Vincent, W, Wilhelm, S, Wangberg, S, Weyhenmeyer, G, and Faculty of Biological and Environmental Sciences

Subjects
MICROPLASTIC POLLUTION, CLIMATE-CHANGE, SEA-LAMPREY, Large lakes, Second Warning to Humanity, Large lakes, Global change, Biodiversity loss, Ecosystem services, Eutrophication, Eutrophication, ENDOCRINE DISRUPTORS, PERSONAL CARE PRODUCTS, ACIPENSER-FULVESCENS, Biodiversity loss, Ecosystem services, Eutrophication, Global change, Large lakes, Second Warning to Humanity, FRESH-WATER ECOSYSTEMS, Second Warning to Humanity, Biodiversity loss, Ecosystem services, SPATIAL-DISTRIBUTION, LAURENTIAN GREAT-LAKES, Global change, LONG-TERM TRENDS, 1172 Environmental sciences
Abstract

Large lakes of the world are habitats for diverse species, including endemic taxa, and are valuable resources that provide humanity with many ecosystem services. They are also sentinels of global and local change, and recent studies in limnology and paleolimnology have demonstrated disturbing evidence of their collective degradation in terms of depletion of resources (water and food), rapid warming and loss of ice, destruction of habitats and ecosystems, loss of species, and accelerating pollution. Large lakes are particularly exposed to anthropogenic and climatic stressors. The Second Warning to Humanity provides a framework to assess the dangers now threatening the world's large lake ecosystems and to evaluate pathways of sustainable development that are more respectful of their ongoing provision of services. Here we review current and emerging threats to the large lakes of the world, including iconic examples of lake management failures and successes, from which we identify priorities and approaches for future conservation efforts. The review underscores the extent of lake resource degradation, which is a result of cumulative perturbation through time by long-term human impacts combined with other emerging stressors. Decades of degradation of large lakes have resulted in major challenges for restoration and management and a legacy of ecological and economic costs for future generations. Large lakes will require more intense conservation efforts in a warmer, increasingly populated world to achieve sustainable, high-quality waters. This Warning to Humanity is also an opportunity to highlight the value of a long-term lake observatory network to monitor and report on environmental changes in large lake ecosystems. (C) 2020 The Authors. Published by Elsevier B.V. on behalf of International Association for Great Lakes Research.

Published
2020

45. The Effects of Hypoxia on Zooplankton Population Estimates and Migration in Lakes

Author

Goldfarb, Sadye K., Doubek, Jonathan, Geraldes, Ana Maria, Bartrons, Mireia, Berger, Stella, Brentrup, Jannifer, Brucet, Sandra, Burnet, Sarah, Caputo Galarce, Luciano, Carey, Cayelan C., Christoffersen, Kirsten Seestern, Eyto, Elvira de, Dur, Gaël, Erdoğan, Şeyda, Erina, Oxana, Grossart, Hans-Peter, Kainz, Martin, Kankılıç, Gökben Başaran, Khan, Sami, Leoni, Barbara, Lepori, Fabio, McCarthy, Valerie, Nava, Veronica, Nejstgaard, Jens, Obertegger, Ulrike, Ogorelec, Ziga, Ozen, Arda, Pascual, Maria, Paterson, Michael, Patelli, Martina, Qiu, Qianlinglin, Richardson, David, Sepulveda-Jauregui, Armando, Silva, Lorena, Straile, Dietmar, Tartarotti, Barbara, Tavşanoğlu, Ülkü Nihan, Tereshina, Maria, Umaña-Villalobos, Gerardo, Walles, Tim, Wander, Heather, Wurtsbaugh, Wayne, Stockwell, Jason, Goldfarb, S, Doubek, J, Antão-Geraldes, A, Bartrons, M, Berger, S, Brentrup, J, Brucet, S, Burnet, S, Caputo Galarce, L, Carey, C, Christoffersen, K, de Eyto, E, Dur, G, Erdoğan, S, Erina, O, Grossart, H, Kainz, M, Kankılıç, G, Khan, S, Leoni, B, Lepori, F, Mccarthy, V, Nava, V, Nejstgaard, J, Obertegger, U, Ogorelec, Z, Ozen, A, Pascual, M, Paterson, M, Patelli, M, Qiu, Q, Richardson, D, Sepulveda-Jauregui, A, Silva, L, Straile, D, Tartarotti, B, Tavşanoğlu, U, Tereshina, M, Umaña-Villalobos, G, Walles, T, Wander, H, Wurtsbaugh, W, and Stockwell, S

Subjects
Zooplankton population, zooplankton, hypoxia, fungi, anoxia, vertical migration, lake
Abstract

Many zooplankton species typically exhibit diel vertical migration (DVM), where zooplankton migrate from the hypolimnion to the epilimnion of lakes at night. Zooplankton exhibit this behavior to avoid visual predators and UV radiation by remaining in the bottom waters during the day and ascending to the surface waters to feed on phytoplankton at night. However, hypoxic conditions in the hypolimnion of lakes mayinterfere with DVM and force zooplankton to increase diel horizontal migration (DHM) to find predation refuge in littoral zones. Climate change and eutrophication are expected to increase the prevalence and severity of hypoxic conditions worldwide and thereby possibly alter zooplankton migration patterns. We hypothesize that hypoxia will force zooplankton to shift their migration patterns from predominantly DVM to DHM to avoid oxygen-depleted bottom waters. To test our hypothesis, we are conducting a standardized global sampling program to test whether pelagic, full water column estimates of zooplankton are greater at night versus the day under hypolimnetic hypoxic versus oxic conditions. Participants are aiming to sample at least one lake with an oxic hypolimnion and one lake with a hypoxic hypolimnion during the thermally-stratified period at midday and midnight. With our global dataset (currently expecting about 60 lakes in 22 countries), our goal is to improve our understanding of how global change may alter zooplankton migration behavior and patterns in lakes. info:eu-repo/semantics/publishedVersion

Published
2019

46. Temperature effects explain continental scale distribution of cyanobacterial toxins

Author

Sigrid Haande, Christos Avagianos, Vítor Gonçalves, Lisette N. de Senerpont Domis, Carlos Rochera, Ana García-Murcia, Kerstin Häggqvist, Reyhan Akçaalan, Jordi Noguero-Ribes, Mariusz Pełechaty, Wojciech Krztoń, Hans-Peter Grossart, Jutta Fastner, Bárbara Úbeda, Wojciech Pęczuła, Nur Filiz, Justyna Kobos, Juan M. Soria, Elif Neyran Soylu, Lars-Anders Hansson, Filip Stević, Luděk Bláha, Hanna Mazur-Marzec, Jolanda M. H. Verspagen, Burçin Önem, Karl-Otto Rothhaupt, Nico Salmaso, Abdulkadir Yağcı, David Parreño Duque, Ksenija Savadova, Nusret Karakaya, Aleksandra Pełechata, Yvon Verstijnen, Carmen Pérez-Martínez, Pauliina Salmi, Gizem Bezirci, Tuğba Ongun Sevindik, Svetislav Krstić, Rahmi Uysal, Laura Seelen, Eloísa Ramos-Rodríguez, Spela Remec-Rekar, Sven Teurlincx, Monserrat Real, Meriç Albay, Donald C. Pierson, Susana Romo, Kristiina Mustonen, Kirsten Christoffersen, Valentini Maliaka, Estela Rodríguez-Pérez, Joanna Rosińska, Nilsun Demir, Mehmet Tahir Alp, Elvira Romans, João Morais, Daniel Szymański, Danielle Machado-Vieira, Damian Chmura, Evanthia Mantzouki, Teresa Vegas-Vilarrúbia, Antonio Picazo, Mikołaj Kokociński, Anastasia Hiskia, Christine Edwards, Yang Yang, Irma Vitonytė, Mehmet Cesur, Agnieszka Bańkowska-Sobczak, Iwona Kostrzewska-Szlakowska, Nikoletta Tsiarta, Anđelka Plenković-Moraj, Miquel Lürling, Ryszard Gołdyn, Kristel Panksep, Kemal Celik, Anna Kozak, Jose Luis Cereijo, Pablo Urrutia-Cordero, Petra M. Visser, Rodan Geriš, Uğur Işkın, Leonardo Cerasino, Kadir Çapkın, Victor C. Perello, Carmen Cillero-Castro, Arda Özen, Manel Leira, Enrique Moreno-Ostos, Şakir Çinar, Agnieszka Budzyńska, Faruk Maraşlıoğlu, Pedro M. Raposeiro, Theodoros M. Triantis, Agnieszka Pasztaleniec, Sevasti-Kiriaki Zervou, Elżbieta Wilk-Woźniak, Edward Walusiak, Kersti Kangro, Jorge Juan Montes-Pérez, Triantafyllos Kaloudis, Mari Carmen Trapote, Pablo Alcaraz-Párraga, José María Blanco, Marek Kruk, Hans W. Paerl, Lidia Nawrocka, Meryem Beklioglu, Antonio Camacho, Moritz Buck, Biel Obrador, Ilona Gagala, Lauri Arvola, Elżbieta Szeląg-Wasielewska, Petar Žutinić, Giovanna Flaim, Núria Catalán, R. Carballeira, Alinne Gurjão de Oliveira, Magdalena Frąk, Alo Laas, Magdalena Grabowska, Dubravka Špoljarić Maronić, Meral Apaydın Yağcı, Itana Bokan Vucelić, Ana Maria Antão-Geraldes, Tõnu Feldmann, Natalia Jakubowska-Krepska, Trine Perlt Warming, Armand Hernández, Anna C. Santamans, Fuat Bilgin, Cayelan C. Carey, Joana Mankiewicz-Boczek, Elísabeth Fernández-Morán, Mete Yilmaz, Iwona Jasser, Boris Aleksovski, Michał Wasilewicz, Agnieszka Ochocka, David García, Lea Tuvikene, Roberto L. Palomino, B.W. Ibelings, Hatice Tunca, Birger Skjelbred, Joan Gomà, Jūratė Karosienė, Maria G. Antoniou, Vitor Vasconcelos, Mehmet Ali Turan Koçer, Eti E. Levi, Markéta Fránková, Beata Madrecka, Barbara Pawlik-Skowrońska, Jeremy Fonvielle, Korhan Özkan, Maciej Karpowicz, Özden Fakioglu, Lucia Chomova, Magdalena Toporowska, Ülkü Nihan Tavşanoğlu, Jūratė Kasperovičienė, Latife Köker, Kinga Kwasizur, Koray Ozhan, Valeriano Rodríguez, William Colom-Montero, Ulrike Obertegger, Micaela Vale, Spyros Gkelis, Michał Niedźwiecki, Tunay Karan, Piotr Domek, Judita Koreivienė, Andrea G. Bravo, Justyna Sieńska, Jessica Richardson, Hana Nemova, Cafer Bulut, Jordi Delgado-Martín, Tanja Žuna Pfeiffer, Marija Gligora Udovič, Manthos Panou, Dietmar Straile, Rafael Marcé, Valerie McCarthy, Iveta Drastichova, Agnieszka Napiórkowska-Krzebietke, J. A. Gálvez, Tina Elersek, Beata Messyasz, Adriano Boscaini, Carmen Ferriol, Julita Dunalska, Freshwater and Marine Ecology (IBED, FNWI), BAİBÜ, Mühendislik Fakültesi, Çevre Mühendisliği Bölümü, Karakaya, Nusret, Universitat de Barcelona, Fakülteler, Fen - Edebiyat Fakültesi, Biyoloji Bölümü, Soylu, Elif Neyran, European Cooperation in Science and Technology, Université de Genève, Tokat Gaziosmanpaşa Üniversitesi, Lammi Biological Station, Doctoral Programme in Atmospheric Sciences, CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental, Yılmaz, Mete, Institute of Agricultural and Environmental Sciences, Mantzouki, Evanthia, Ibelings, Bastiaan Willem, Mantzouki, E, Lurling, M, Fastner, J, Domis, LD, Wilk-Wozniak, E, Koreiviene, J, Seelen, L, Teurlincx, S, Verstijnen, Y, Krzton, W, Walusiak, E, Karosiene, J, Kasperoviciene, J, Savadova, K, Vitonyte, I, Cillero-Castro, C, Budzynska, A, Goldyn, R, Kozak, A, Rosinska, J, Szelag-Wasielewska, E, Domek, P, Jakubowska-Krepska, N, Kwasizur, K, Messyasz, B, Pelechata, A, Pelechaty, M, Kokocinski, M, Garcia-Murcia, A, Real, M, Romans, E, Noguero-Ribes, J, Duque, DP, Fernandez-Moran, E, Karakaya, N, Haggqvist, K, Demir, N, Beklioglu, M, Filiz, N, Levi, EE, Iskin, U, Bezirci, G, Tavsanoglu, UN, Ozhan, K, Gkelis, S, Panou, M, Fakioglu, O, Avagianos, C, Kaloudis, T, Celik, K, Yilmaz, M, Marce, R, Catalan, N, Bravo, AG, Buck, M, Colom-Montero, W, Mustonen, K, Pierson, D, Yang, Y, Raposeiro, PM, Goncalves, V, Antoniou, MG, Tsiarta, N, McCarthy, V, Perello, VC, Feldmann, T, Laas, A, Panksep, K, Tuvikene, L, Gagala, I, Mankiewicz-Boczek, J, Yagci, MA, Cinar, S, Capkin, K, Yagci, A, Cesur, M, Bilgin, F, Bulut, C, Uysal, R, Obertegger, U, Boscaini, A, Flaim, G, Salmaso, N, Cerasino, L, Richardson, J, Visser, PM, Verspagen, JMH, Karan, T, Soylu, EN, Maraslioglu, F, Napiorkowska-Krzebietke, A, Ochocka, A, Pasztaleniec, A, Antao-Geraldes, AM, Vasconcelos, V, Morais, J, Vale, M, Koker, L, Akcaalan, R, Albay, M, Maronic, DS, Stevic, F, Pfeiffer, TZ, Fonvielle, J, Straile, D, Rothhaupt, KO, Hansson, LA, Urrutia-Cordero, P, Blaha, L, Geris, R, Frankova, M, Kocer, MAT, Alp, MT, Remec-Rekar, S, Elersek, T, Triantis, T, Zervou, SK, Hiskia, A, Haande, S, Skjelbred, B, Madrecka, B, Nemova, H, Drastichova, I, Chomova, L, Edwards, C, Sevindik, TO, Tunca, H, Onem, B, Aleksovski, B, Krstic, S, Vucelic, IB, Nawrocka, L, Salmi, P, Machado-Vieira, D, de Oliveira, AG, Delgado-Martin, J, Garcia, D, Cereijo, JL, Goma, J, Trapote, MC, Vegas-Vilarrubia, T, Obrador, B, Grabowska, M, Karpowicz, M, Chmura, D, Ubeda, B, Galvez, JA, Ozen, A, Christoffersen, KS, Warming, TP, Kobos, J, Mazur-Marzec, H, Perez-Martinez, C, Ramos-Rodriguez, E, Arvola, L, Alcaraz-Parraga, P, Toporowska, M, Pawlik-Skowronska, B, Niedzwiecki, M, Peczula, W, Leira, M, Hernandez, A, Moreno-Ostos, E, Blanco, JM, Rodriguez, V, Montes-Perez, JJ, Palomino, RL, Rodriguez-Perez, E, Carballeira, R, Camacho, A, Picazo, A, Rochera, C, Santamans, AC, Ferriol, C, Romo, S, Soria, JM, Dunalska, J, Sienska, J, Szymanski, D, Kruk, M, Kostrzewska-Szlakowska, I, Jasser, I, Zutinic, P, Udovic, MG, Plenkovic-Moraj, A, Frak, M, Bankowska-Sobczak, A, Wasilewicz, M, Ozkan, K, Maliaka, V, Kangro, K, Grossart, HP, Paerl, HW, Carey, CC, Ibelings, BW, Sakarya Üniversitesi/Fen-Edebiyat Fakültesi/Biyoloji Bölümü, Ongun Sevindik, Tuğba, Tunca, Hatice, Hitit Üniversitesi, Fen Edebiyat Fakültesi, Biyoloji Bölümü, and Fen Edebiyat Fakültesi

Subjects
light climate, 0106 biological sciences, thermocline, Bacterial toxins, toksiinit, limit of quantitation, Toxines bacterianes, Microcystin-LR, Toxicology, 01 natural sciences, Anatoxin-a, analogs and derivatives, BLOOMS, Direct Effects, uracil, Water Pollutants, chemistry.chemical_classification, Temperatures, FRESH-WATER, latitude, maximum buoyancy frequency, 6. Clean water, climate change, Indirect effects, EUTROPHICATION, microcystin RR, articles, GROWTH, lämpötila, LAKES, microcystin, anatoxin, cylindrospermopsin, temperature, direct effects, indirect effects, spatial distribution, European Multi Lake Survey, epilimnetic temperature, ta1172, cyanobacteria, lakes, climate warming, microcystin, Zoology, Article, water pollutant, MICROCYSTIS-AERUGINOSA, Alkaloids, Settore BIO/07 - ECOLOGIA, NATURAL SCIENCES. Biology, Spatial distribution, Microcystis aeruginosa, Uracil, lake, syanobakteerit, Indirect Effects, liquid chromatography-mass spectrometry, 1172 Environmental sciences, Ekologi, nutrient, 010604 marine biology & hydrobiology, lcsh:R, microbiology, Climatic changes, microcystin LR, Anatoxin, Lakes, Spatial Distribution, chemistry, nodularin, microbial diversity, phytoplankton, ta1181, Cylindrospermopsin, Tropanes, Cyanobacteria, Aquatic Ecology and Water Quality Management, analysis, Health, Toxicology and Mutagenesis, lcsh:Medicine, environmental parameters, 010501 environmental sciences, medicine.disease_cause, nitrogen, chemistry.chemical_compound, sea surface temperature, environmental factor, ddc:550, Canvi climàtic, phosphorus, PRIRODNE ZNANOSTI. Biologija, limit of detection, Ecology, Cyanobacteria Toxins, biology, Temperature, levinneisyys, Nodularin, tropane derivative, Europe, DAPHNIA-MAGNA, İndirect Effects, Direct effects, microbial community, Environmental Monitoring, high performance liquid chromatography, Microcystins, Climate Change, Bacterial Toxins, Microcystin, välittömät oikeusvaikutukset, cyanobacterium, ddc:570, geographic distribution, medicine, bacterial toxin, controlled study, ddc:610, Institut für Biochemie und Biologie, 0105 earth and related environmental sciences, nonhuman, WIMEK, Toxin, longitude, PHYTOPLANKTON ASSEMBLAGES, Aquatic Ecology, NITROGEN AVAILABILITY, anatoxin a, Aquatische Ecologie en Waterkwaliteitsbeheer, biology.organism_classification, Climatic change, CLIMATE, 13. Climate action, response variable, Canvis climàtics
Abstract

Insight into how environmental change determines the production and distribution of cyanobacterial toxins is necessary for risk assessment. Management guidelines currently focus on hepatotoxins (microcystins). Increasing attention is given to other classes, such as neurotoxins (e.g., anatoxin-a) and cytotoxins (e.g., cylindrospermopsin) due to their potency. Most studies examine the relationship between individual toxin variants and environmental factors, such as nutrients, temperature and light. In summer 2015, we collected samples across Europe to investigate the effect of nutrient and temperature gradients on the variability of toxin production at a continental scale. Direct and indirect effects of temperature were the main drivers of the spatial distribution in the toxins produced by the cyanobacterial community, the toxin concentrations and toxin quota. Generalized linear models showed that a Toxin Diversity Index (TDI) increased with latitude, while it decreased with water stability. Increases in TDI were explained through a significant increase in toxin variants such as MC-YR, anatoxin and cylindrospermopsin, accompanied by a decreasing presence of MC-LR. While global warming continues, the direct and indirect effects of increased lake temperatures will drive changes in the distribution of cyanobacterial toxins in Europe, potentially promoting selection of a few highly toxic species or strains. © 2018 by the authors. Licensee MDPI, Basel, Switzerland., The authors acknowledge COST Action ES 1105 “CYANOCOST—Cyanobacterial blooms and toxins in water resources: Occurrence impacts and management” and COST Action ES 1201 “NETLAKE—Networking Lake Observatories in Europe” for contributing to this study through networking and knowledge sharing with European experts in the field. Evanthia Mantzouki was supported by a grant from the Swiss State Secretariat for Education, Research and Innovation (SERI) to Bas Ibelings and by supplementary funding from the University of Geneva. We thank Clare Ahnlund, Ena Suarez and Irene Gallego for helping out with the Swiss survey. We thank Wendy Beekman and Els J. Faassen for the nutrient and toxin analysis.

Published
2018

47. Data Descriptor: A European Multi Lake Survey dataset of environmental variables, phytoplankton pigments and cyanotoxins

Author

Tunca, Hatice, Mantzouki, E, Campbell, J, van Loon, E, Visser, P, Konstantinou, I, Antoniou, M, Giuliani, G, Machado-Vieira, D, de Oliveira, AG, Maronic, DS, Stevic, F, Pfeiffer, TZ, Vucelic, IB, Zutinic, P, Udovic, MG, Plenkovic-Moraj, A, Tsiarta, N, Blaha, L, Geris, R, Frankova, M, Christoffersen, KS, Warming, TP, Feldmann, T, Laas, A, Panksep, K, Tuvikene, L, Kangro, K, Haggqvist, K, Salmi, P, Arvola, L, Fastner, J, Straile, D, Rothhaupt, KO, Fonvielle, J, Grossart, HP, Avagianos, C, Kaloudis, T, Triantis, T, Zervou, SK, Hiskia, A, Gkelis, S, Panou, M, McCarthy, V, Perello, VC, Obertegger, U, Boscaini, A, Flaim, G, Salmaso, N, Cerasino, L, Koreiviene, J, Karosiene, J, Kasperoviciene, J, Savadova, K, Vitonyte, I, Haande, S, Skjelbred, B, Grabowska, M, Karpowicz, M, Chmura, D, Nawrocka, L, Kobos, J, Mazur-Marzec, H, Alcaraz-Parraga, P, Wilk-Wozniak, E, Krzton, W, Walusiak, E, Gagala, I, Mankiewicz-Boczek, J, Toporowska, M, Pawlik-Skowronska, B, Niedzwiecki, M, Peczula, W, Napiorkowska-Krzebietke, A, Dunalska, J, Sienska, J, Szymanski, D, Kruk, M, Budzynska, A, Goldyn, R, Kozak, A, Rosinska, J, Szelag-Wasielewska, E, Domek, P, Jakubowska-Krepska, N, Kwasizur, K, Messyasz, B, Pelechata, A, Pelechaty, M, Kokocinski, M, Madrecka, B, Kostrzewska-Szlakowska, I, Frak, M, Bankowska-Sobczak, A, Wasilewicz, M, Ochocka, A, Pasztaleniec, A, Jasser, I, Antao-Geraldes, AM, Leira, M, Hernandez, A, Vasconcelos, V, Morais, J, Vale, M, Raposeiro, PM, Goncalves, V, Aleksovski, B, Krstic, S, Nemova, H, Drastichova, I, Chomova, L, Remec-Rekar, S, Elersek, T, Delgado-Martin, J, Garcia, D, Cereijo, JL, Goma, J, Trapote, MC, Vegas-Vilarrubia, T, Obrador, B, Garcia-Murcia, A, Real, M, Romans, E, Noguero-Ribes, J, Duque, DP, Fernandez-Moran, E, Ubeda, B, Galvez, JA, Marce, R, Catalan, N, Perez-Martinez, C, Ramos-Rodriguez, E, Cillero-Castro, C, Moreno-Ostos, E, Blanco, JM, Rodriguez, V, Montes-Perez, JJ, Palomino, RL, Rodriguez-Perez, E, Carballeira, R, Camacho, A, Picazo, A, Rochera, C, Santamans, AC, Ferriol, C, Romo, S, Soria, JM, Hansson, LA, Urrutia-Cordero, P, Ozen, A, Bravo, AG, Buck, M, Colom-Montero, W, Mustonen, K, Pierson, D, Yang, Y, Verspagen, JMH, Domis, LND, Seelen, L, Teurlincx, S, Verstijnen, Y, Lurling, M, Maliaka, V, Faassen, EJ, Latour, D, Carey, CC, Paerl, HW, Torokne, A, Karan, T, Demir, N, Beklioglu, M, Filiz, N, Levi, EE, Iskin, U, Bezirci, G, Tavsanoglu, UN, Celik, K, Ozhan, K, Karakaya, N, Kocer, MAT, Yilmaz, M, Maraslioglu, F, Fakioglu, O, Soylu, EN, Yagci, MA, Cinar, S, Capkin, K, Yagci, A, Cesur, M, Bilgin, F, Bulut, C, Uysal, R, Koker, L, Akcaalan, R, Albay, M, Alp, MT, Ozkan, K, Sevindik, TO, Tunca, H, Onem, B, Richardson, J, Edwards, C, Bergkemper, V, O'Leary, S, Beirne, E, Cromie, H, Ibelings, BW, Sakarya Üniversitesi/Fen-Edebiyat Fakültesi/Biyoloji Bölümü, and Tunca, Hatice

Subjects
Science & Technology - Other Topics
Abstract

Under ongoing climate change and increasing anthropogenic activity, which continuously challenge ecosystem resilience, an in-depth understanding of ecological processes is urgently needed. Lakes, as providers of numerous ecosystem services, face multiple stressors that threaten their functioning. Harmful cyanobacterial blooms are a persistent problem resulting from nutrient pollution and climate-change induced stressors, like poor transparency, increased water temperature and enhanced stratification. Consistency in data collection and analysis methods is necessary to achieve fully comparable datasets and for statistical validity, avoiding issues linked to disparate data sources. The European Multi Lake Survey (EMLS) in summer 2015 was an initiative among scientists from 27 countries to collect and analyse lake physical, chemical and biological variables in a fully standardized manner. This database includes in-situ lake variables along with nutrient, pigment and cyanotoxin data of 369 lakes in Europe, which were centrally analysed in dedicated laboratories. Publishing the EMLS methods and dataset might inspire similar initiatives to study across large geographic areas that will contribute to better understanding lake responses in a changing environment.

Published
2018

48. Antipredator responses of three Daphnia species within the D. longispina species complex to two invertebrate predators.

Author

Baludo MY, Octorina P, Beckerman A, and Straile D

Abstract

Prey communities in natural environments face a diverse array of predators with distinct hunting techniques. However, most studies have focused only on the interactions between a single prey species and one or more predators and typically only one of many induced defense traits, which limits our understanding of the broader effects of predators on prey communities. In this study, we conducted a common garden experiment using five clones each of three Daphnia species ( D. cucullata , D. galeata , and D. longispina ) from the D. longispina species complex to investigate the plasticity of predator-induced defenses in response to two predators in a community ecology setting. Five clones from each species were subjected to predator kairomones from two closely related invertebrate predators that are common in several European lakes, Bythotrephes longimanus or Leptodora kindtii for a duration of 10 days, and the morphological traits of body size, head size, spina size, and the presence of spinules on the ventral and dorsal carapace margins were measured. We show that among the species within this species complex there are different antipredator reactions to the invertebrate predators. The induced responses exhibited were species, trait, and predator-specific. Notably, D. galeata and D. cucullata developed distinctive helmets as defensive mechanisms, while microdefenses were induced in D. galeata and D. longispina , but not in D. cucullata . This demonstrates that the expression of micro- and macrodefenses across species was unrelated, highlighting the possible independent evolution of microstructures as defensive modules in Daphnia 's antipredator strategies. This study is the first to document both micro- and macrodefensive phenotypic plasticity in three co-occurring Daphnia species within the D. longispina species complex. The differences in inducible defenses may have a substantial impact on how these three species cohabit with Bythotrephes and Leptodora ., Competing Interests: The authors declare no competing interests., (© 2024 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd.)

Published
2024
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49. Impact of climate warming on phenological asynchrony of plankton dynamics across Europe.

Author

Gronchi E, Straile D, Diehl S, Jöhnk KD, and Peeters F

Subjects
Climate, Phytoplankton, Seasons, Climate Change, Europe, Temperature, Plankton physiology, Ecosystem
Abstract

Climate warming alters the seasonal timing of biological events. This raises concerns that species-specific responses to warming may de-synchronize co-evolved consumer-resource phenologies, resulting in trophic mismatch and altered ecosystem dynamics. We explored the effects of warming on the synchrony of two events: the onset of the phytoplankton spring bloom and the spring/summer maximum of the grazer Daphnia. Simulation of 16 lake types over 31 years at 1907 North African and European locations under 5 climate scenarios revealed that the current median phenological delay between the two events varies greatly (20-190 days) across lake types and geographic locations. Warming moves both events forward in time and can lengthen or shorten the delay between them by up to ±60 days. Our simulations suggest large geographic and lake-specific variations in phenological synchrony, provide quantitative predictions of its dependence on physical lake properties and geographic location and highlight research needs concerning its ecological consequences., (© 2023 The Authors. Ecology Letters published by John Wiley & Sons Ltd.)

Published
2023
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50. Can young-of-the-year invasive fish keep up with young-of-the-year native fish? A comparison of feeding rates between invasive sticklebacks and whitefish.

Author

Ogorelec Ž, Rudstam LG, and Straile D

Abstract

Invasion of non-native species might alter food web structure and the strength of top-down control within lake ecosystems. As top-down control exerted by fish populations is often dominated by young of the year fish, the impact of new fish species might depend on the feeding rates of the juvenile fish. Here we provide comparative analyses of feeding rates of juvenile whitefish ( Coregonus wartmanni ) - a native and specialised planktivore and an invasive generalist (sticklebacks, Gasterosteus aculeatus ). We studied feedings rates of whitefish and sticklebacks in aquaria experiments using 2 cm to 8 cm fish feeding on seven zooplankton species common to Lake Constance. As whitefish hatch several months earlier than sticklebacks, 0+ whitefish are larger than 0+ sticklebacks throughout the year and hence are predicted to have higher feeding rates on especially large zooplankton species. We show that sticklebacks as small as 2 cm were able to feed on the largest zooplankton species of Lake Constance. Further, stickleback feeding rates were similar to both the same size 0+ whitefish and the larger 0+ whitefish co-occurring with smaller 0+ sticklebacks. Hence, 0+ sticklebacks will compete with 0+ whitefish for the same zooplankton species, therefore the invasion of sticklebacks is unlikely to change the relative feeding pressure by individual 0+ fish on zooplankton species., Competing Interests: The authors confirm no conflict of interest., (© 2022 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd.)

Published
2022
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