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1. Plastic debris in freshwater systems worldwide

Author

Nava, V, Aherne, J, Alfonso, MB, Antão-Geraldes, AM, Attermeyer, K, Bao, R, Bartrons, M, Berger, SA, Biernaczyk, M, Bissen, R, Brookes, J, Brown, D, Candian, G, Cañedo-Argüelles, M, Canle, M, Capelli, C, Carballeira, R, Cereijo, JL, Chawchai, S, Chen, G, Christensen, ST, Christoffersen, KS, de Eyto, E, Delgado, J, Dornan, T, Doubek, JP, Dusaucy, J, Erina, O, Ersoy, Z, Feuchtmayr, H, Lepori, F, Frezzotti, ML, Galafassi, S, Gateuille, D, Gonçalves, V, Grossart, HP, Hamilton, DP, Harris, T, Kangur, K, Kankılıç, GB, Kessler, R, Kiel, C, Krynak, EM, Leiva-Presa, A, Matias, M, Matsuzaki, SS, McElarney, Y, Mitchell, M, Messyasz, B, Mlambo, M, Motitsoe, SN, Owens, C, Özkundakci, D, Pinnow, S, Pociecha, A, Raposeiro, P, Rõõm, EI, Rotta, F, Salmaso, N, Scordo, F, Sibomana, C, Siewert, D, Stepanowska, K, Sudeep, C, Tavşanoğlu, UN, Tereshina, M, Thompson, J, Tolotti, M, Valois, A, Verburg, P, Wesolek, B, Weyhenmeyer, G, Wu, N, Zawisza, E, Zink, L, Leoni, B, Nava, V, Aherne, J, Alfonso, M, Antão-Geraldes, A, Attermeyer, K, Bao, R, Bartrons, M, Berger, S, Biernaczyk, M, Bissen, R, Brookes, J, Brown, D, Candian, G, Cañedo-Argüelles, M, Canle, M, Capelli, C, Carballeira, R, Cereijo, J, Chawchai, S, Chen, G, Christensen, S, Christoffersen, K, de Eyto, E, Delgado, J, Dornan, T, Doubek, J, Dusaucy, J, Erina, O, Ersoy, Z, Feuchtmayr, H, Lepori, F, Frezzotti, M, Galafassi, S, Gateuille, D, Gonçalves, V, Grossart, H, Hamilton, D, Harris, T, Kangur, K, Kankılıç, G, Kessler, R, Kiel, C, Krynak, E, Leiva-Presa, A, Matias, M, Matsuzaki, S, Mcelarney, Y, Mitchell, M, Messyasz, B, Mlambo, M, Motitsoe, S, Owens, C, Özkundakci, D, Pinnow, S, Pociecha, A, Raposeiro, P, Rõõm, E, Rotta, F, Salmaso, N, Scordo, F, Sibomana, C, Siewert, D, Stepanowska, K, Sudeep, C, Tavşanoğlu, U, Tereshina, M, Thompson, J, Tolotti, M, Valois, A, Verburg, P, Wesolek, B, Weyhenmeyer, G, Wu, N, Zawisza, E, Zink, L, and Leoni, B

Subjects
reservoir, limnology, Settore BIO/07 - ECOLOGIA, pollution, lake, microplastic
Published
2022

2. 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

3. 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

4. Analysis of the reduction processes at the bottom of Lake Meirama: a singular case of lake formation.

Author

Juncosa R, Delgado J, Cereijo JL, and Muñoz A

Subjects
Rivers, Oxides, Sulfates chemistry, Lakes chemistry, Environmental Monitoring
Abstract

The formation of natural lakes is a process that takes place over thousands of years, although the volumetric formation depends on hydrological and climatological phenomena, reaching a stationary hydraulic regime, the evolution of hydrochemistry is more complex and obeys not only phenomena of stoichiometry and chemical kinetics but also diffusion processes. Depending on the depth of the lakes, the anoxization process originating from the bottom is the first phase of the lake's methanogenesis. For this, the course of many thousands of years is necessary, so the studies carried out in the lakes are limited to the current knowledge of the state in which they are, without being able to have real information in this process of methanogenesis. There are no data available on the generation process of a natural lake in its primary stages. In this case, taking advantage of the rehabilitation of the old open-pit mining of Meirama (Northwest Spain), consisting of the controlled flooding of the hole by groundwater, by stopping the perimeter pumping, and the derivation of the nearby streams, whose contribution was the majority with respect to the subterranean contribution, there has been the opportunity to physically and chemically monitor the complete filling of the said hole. The present study focuses on the analysis of the evolution of the different processes initiated in the methanogenesis of the lake bottom identified in the well-known Redox ladder: obtaining oxygen from the reduction of nitrogenous compounds and metallic oxides, from the reduction of the sulfate and the generation of methane from carbon compounds, the latter phase without reaching. Although the methanization process is very slow, it has had the opportunity to know the formation of a lake at its origin, from the hydrochemical point of view. It has been possible to verify that the methanization processes at the bottom, given the anoxia conditions, are in a very primitive phase with the reduction of nitrate and nitrite to ammonium and beginning a reduction of metal oxides and sulfate., (© 2023. The Author(s).)

Published
2023
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5. Plastic debris in lakes and reservoirs.

Author

Nava V, Chandra S, Aherne J, Alfonso MB, Antão-Geraldes AM, Attermeyer K, Bao R, Bartrons M, Berger SA, Biernaczyk M, Bissen R, Brookes JD, Brown D, Cañedo-Argüelles M, Canle M, Capelli C, Carballeira R, Cereijo JL, Chawchai S, Christensen ST, Christoffersen KS, de Eyto E, Delgado J, Dornan TN, Doubek JP, Dusaucy J, Erina O, Ersoy Z, Feuchtmayr H, Frezzotti ML, Galafassi S, Gateuille D, Gonçalves V, Grossart HP, Hamilton DP, Harris TD, Kangur K, Kankılıç GB, Kessler R, Kiel C, Krynak EM, Leiva-Presa À, Lepori F, Matias MG, Matsuzaki SS, McElarney Y, Messyasz B, Mitchell M, Mlambo MC, Motitsoe SN, Nandini S, Orlandi V, Owens C, Özkundakci D, Pinnow S, Pociecha A, Raposeiro PM, Rõõm EI, Rotta F, Salmaso N, Sarma SSS, Sartirana D, Scordo F, Sibomana C, Siewert D, Stepanowska K, Tavşanoğlu ÜN, Tereshina M, Thompson J, Tolotti M, Valois A, Verburg P, Welsh B, Wesolek B, Weyhenmeyer GA, Wu N, Zawisza E, Zink L, and Leoni B

Subjects
Ecosystem, Surveys and Questionnaires, Urbanization, Human Activities, Lakes chemistry, Plastics analysis, Plastics classification, Water Pollution analysis, Water Pollution statistics & numerical data, Water Supply
Abstract

Plastic debris is thought to be widespread in freshwater ecosystems globally 1 . However, a lack of comprehensive and comparable data makes rigorous assessment of its distribution challenging 2,3 . Here we present a standardized cross-national survey that assesses the abundance and type of plastic debris (>250 μm) in freshwater ecosystems. We sample surface waters of 38 lakes and reservoirs, distributed across gradients of geographical position and limnological attributes, with the aim to identify factors associated with an increased observation of plastics. We find plastic debris in all studied lakes and reservoirs, suggesting that these ecosystems play a key role in the plastic-pollution cycle. Our results indicate that two types of lakes are particularly vulnerable to plastic contamination: lakes and reservoirs in densely populated and urbanized areas and large lakes and reservoirs with elevated deposition areas, long water-retention times and high levels of anthropogenic influence. Plastic concentrations vary widely among lakes; in the most polluted, concentrations reach or even exceed those reported in the subtropical oceanic gyres, marine areas collecting large amounts of debris 4 . Our findings highlight the importance of including lakes and reservoirs when addressing plastic pollution, in the context of pollution management and for the continued provision of lake ecosystem services., (© 2023. The Author(s), under exclusive licence to Springer Nature Limited.)

Published
2023
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6. 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 DŠ, Stević F, Pfeiffer TŽ, Vucelić IB, Žutinić P, Udovič MG, Plenković-Moraj A, Tsiarta N, Bláha L, Geriš R, Fránková M, Christoffersen KS, Warming TP, Feldmann T, Laas A, Panksep K, Tuvikene L, Kangro K, Häggqvist 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, Koreivienė J, Karosienė J, Kasperovičienė J, Savadova K, Vitonytė I, Haande S, Skjelbred B, Grabowska M, Karpowicz M, Chmura D, Nawrocka L, Kobos J, Mazur-Marzec H, Alcaraz-Párraga P, Wilk-Woźniak E, Krztoń W, Walusiak E, Gagala I, Mankiewicz-Boczek J, Toporowska M, Pawlik-Skowronska B, Niedźwiecki M, Pęczuła W, Napiórkowska-Krzebietke A, Dunalska J, Sieńska J, Szymański D, Kruk M, Budzyńska A, Goldyn R, Kozak A, Rosińska J, Szeląg-Wasielewska E, Domek P, Jakubowska-Krepska N, Kwasizur K, Messyasz B, Pełechata A, Pełechaty M, Kokocinski M, Madrecka B, Kostrzewska-Szlakowska I, Frąk M, Bańkowska-Sobczak A, Wasilewicz M, Ochocka A, Pasztaleniec A, Jasser I, Antão-Geraldes AM, Leira M, Hernández A, Vasconcelos V, Morais J, Vale M, Raposeiro PM, Gonçalves V, Aleksovski B, Krstić S, Nemova H, Drastichova I, Chomova L, Remec-Rekar S, Elersek T, Delgado-Martín J, García D, Cereijo JL, Gomà J, Trapote MC, Vegas-Vilarrúbia T, Obrador B, García-Murcia A, Real M, Romans E, Noguero-Ribes J, Duque DP, Fernández-Morán E, Úbeda B, Gálvez JÁ, Marcé R, Catalán N, Pérez-Martínez C, Ramos-Rodríguez E, Cillero-Castro C, Moreno-Ostos E, Blanco JM, Rodríguez V, Montes-Pérez JJ, Palomino RL, Rodríguez-Pérez E, Carballeira R, Camacho A, Picazo A, Rochera C, Santamans AC, Ferriol C, Romo S, Soria JM, Hansson LA, Urrutia-Cordero P, Özen A, Bravo AG, Buck M, Colom-Montero W, Mustonen K, Pierson D, Yang Y, M H Verspagen J, de Senerpont Domis LN, Seelen L, Teurlincx S, Verstijnen Y, Lürling M, Maliaka V, Faassen EJ, Latour D, Carey CC, W Paerl H, Torokne A, Karan T, Demir N, Beklioğlu M, Filiz N, E Levi E, Iskin U, Bezirci G, Tavşanoğlu ÜN, Çelik K, Özhan K, Karakaya N, Koçer MAT, Yilmaz M, Maraşlıoğlu F, Fakioglu Ö, Soylu EN, Yağcı MA, Çınar Ş, Çapkın K, Yağcı A, Cesur M, Bilgin F, Bulut C, Uysal R, Köker L, Akçaalan R, Albay M, Alp MT, Özkan K, Sevindik TO, Tunca H, Önem B, Richardson J, Edwards C, Bergkemper V, O'Leary S, Beirne E, Cromie H, and Ibelings BW

Subjects
Climate Change, Europe, Phytoplankton chemistry, Pigments, Biological, Cyanobacteria chemistry, Environmental Monitoring, Lakes
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
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7. Comparative hydrochemical analysis of the formation of the mining lakes of As Pontes and Meirama (Spain).

Author

Juncosa R, Delgado J, Cereijo JL, García D, and Muñoz A

Subjects
Coal analysis, Hydrology, Lakes chemistry, Pons, Rivers chemistry, Spain, Environmental Monitoring methods, Mining, Water Pollutants, Chemical analysis
Abstract

The old lignite mines of As Pontes and Meirama are located in the northwest of Spain, an approximate distance of 80 km between them. Both ended their extractive activity at the end of 2007; the respective mining pits began to be filled at the beginning of 2008. The filling process, enabled by the deviation of nearby rivers, differed between the two cases, taking approximately 4 and a half years to completely fill the 547-hm 3 hole at As Pontes and 8 years and 2 months to fill the 146-hm 3 hole at Meirama. In both lakes, a steady-state hydrological regime has been established, in which the volume of water in the filled holes remains constant.Despite the difference in filling time, very similar hydrochemical behavior would be expected for both water masses, as the geological, climatological, and agroforestry environment is similar at both sites and the maximum depth reached by the water is also the same for both (205 m).Thus, once the filling of both holes was completed, a comparative hydrochemical study was carried out on the state of the waters of both lakes, analyzing the hydrochemical profiles of the most representative elements and compounds of the system, as well as the chemical stratification generated. In this study, the hydrochemical results are shown. The early completion of filling in As Pontes with respect to Meirama provides significant information to know the future behavior of Meirama due to the similarity that both mine open pit present.

Published
2018
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8. Temperature Effects Explain Continental Scale Distribution of Cyanobacterial Toxins.

Author

Mantzouki E, Lürling M, Fastner J, de Senerpont Domis L, Wilk-Woźniak E, Koreivienė J, Seelen L, Teurlincx S, Verstijnen Y, Krztoń W, Walusiak E, Karosienė J, Kasperovičienė J, Savadova K, Vitonytė I, Cillero-Castro C, Budzyńska A, Goldyn R, Kozak A, Rosińska J, Szeląg-Wasielewska E, Domek P, Jakubowska-Krepska N, Kwasizur K, Messyasz B, Pełechaty A, Pełechaty M, Kokocinski M, García-Murcia A, Real M, Romans E, Noguero-Ribes J, Duque DP, Fernández-Morán E, Karakaya N, Häggqvist K, Demir N, Beklioğlu M, Filiz N, Levi EE, Iskin U, Bezirci G, Tavşanoğlu ÜN, Özhan K, Gkelis S, Panou M, Fakioglu Ö, Avagianos C, Kaloudis T, Çelik K, Yilmaz M, Marcé R, Catalán N, Bravo AG, Buck M, Colom-Montero W, Mustonen K, Pierson D, Yang Y, Raposeiro PM, Gonçalves V, Antoniou MG, Tsiarta N, McCarthy V, Perello VC, Feldmann T, Laas A, Panksep K, Tuvikene L, Gagala I, Mankiewicz-Boczek J, Yağcı MA, Çınar Ş, Çapkın K, Yağcı 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, Maraşlıoğlu F, Napiórkowska-Krzebietke A, Ochocka A, Pasztaleniec A, Antão-Geraldes AM, Vasconcelos V, Morais J, Vale M, Köker L, Akçaalan R, Albay M, Špoljarić Maronić D, Stević F, Žuna Pfeiffer T, Fonvielle J, Straile D, Rothhaupt KO, Hansson LA, Urrutia-Cordero P, Bláha L, Geriš R, Fránková M, Koçer 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, Önem B, Aleksovski B, Krstić S, Vucelić IB, Nawrocka L, Salmi P, Machado-Vieira D, de Oliveira AG, Delgado-Martín J, García D, Cereijo JL, Gomà J, Trapote MC, Vegas-Vilarrúbia T, Obrador B, Grabowska M, Karpowicz M, Chmura D, Úbeda B, Gálvez JÁ, Özen A, Christoffersen KS, Warming TP, Kobos J, Mazur-Marzec H, Pérez-Martínez C, Ramos-Rodríguez E, Arvola L, Alcaraz-Párraga P, Toporowska M, Pawlik-Skowronska B, Niedźwiecki M, Pęczuła W, Leira M, Hernández A, Moreno-Ostos E, Blanco JM, Rodríguez V, Montes-Pérez JJ, Palomino RL, Rodríguez-Pérez E, Carballeira R, Camacho A, Picazo A, Rochera C, Santamans AC, Ferriol C, Romo S, Soria JM, Dunalska J, Sieńska J, Szymański D, Kruk M, Kostrzewska-Szlakowska I, Jasser I, Žutinić P, Gligora Udovič M, Plenković-Moraj A, Frąk M, Bańkowska-Sobczak A, Wasilewicz M, Özkan K, Maliaka V, Kangro K, Grossart HP, Paerl HW, Carey CC, and Ibelings BW

Subjects
Alkaloids, Climate Change, Cyanobacteria Toxins, Environmental Monitoring, Europe, Temperature, Uracil analysis, Bacterial Toxins analysis, Cyanobacteria, Lakes microbiology, Microcystins analysis, Tropanes analysis, Uracil analogs & derivatives, Water Pollutants analysis
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., Competing Interests: The authors declare no conflict of interest.

Published
2018
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