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Simona Pascariello, Michela Mazzoni, Roberta Bettinetti, Marina Manca, Martina Patelli, Roberta Piscia, Sara Valsecchi and Stefano Polesello
Zooplankton is a key node in many trophic webs, both for food that for persistent organic contaminants that can accumulate in biota. Zooplankton of different size was seasonally sampled for two years in three deep Italian subalpine lakes (Maggiore, Como,...
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Bingjie Ma, Yang Wang, Ping Jiang and Siyue Li
Eutrophication is prevalent in urban lakes; however, a knowledge gap exists regarding eutrophication influences on carbon dynamics in these ecosystems. In the present study, we investigated the carbon dioxide (CO2) and methane (CH4) concentration and dif...
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Hamdhani Hamdhani, Drew E. Eppehimer, David Walker and Michael T. Bogan
Chlorophyll-a measurements are an important factor in the water quality monitoring of surface waters, especially for determining the trophic status and ecosystem management. However, a collection of field samples for extractive analysis in a laboratory m...
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Maria Calderó-Pascual, Elvira de Eyto, Eleanor Jennings, Mary Dillane, Mikkel René Andersen, Sean Kelly, Harriet Louise Wilson and Valerie McCarthy
Between May and July 2018, Ireland experienced an exceptional heat wave, which broke long-term temperature and drought records. These calm, stable conditions were abruptly interrupted by a second extreme weather event, Atlantic Storm Hector, in late June...
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Roberta Piscia, Emanuela Boggio, Roberta Bettinetti, Michela Mazzoni and Marina Manca
Interest in Stable Isotopes Analyses (SIA) is increasing in freshwater ecology to better clarify ecosystems? functioning. By measuring carbon and nitrogen isotopic signatures, food sources and organism trophic levels can be tracked, providing quantitativ...
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Barbara Leoni, Martina Patelli, Valentina Soler and Veronica Nava
Ammonia is a widespread pollutant in aquatic ecosystems originating directly and indirectly from human activities, which can strongly affect the structure and functioning of the aquatic foodweb. The biological oxidation of NH4+ to nitrite, and then nitra...
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Hanna Siwek, Malgorzata Wlodarczyk and Robert Czerniawski
Eutrophic lakes of all types are marked by oxygen shortage in the bottom waters during the summer season, which results in excessive release of phosphorus load. Therefore, numerous restoration activities (chemical precipitation, aeration) are being taken...
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Xue Li, Jian Sha, Zhong-Liang Wang
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One of the most important water quality problems affecting lakes and reservoirs is eutrophication, which is caused by multiple physical and chemical factors. As a representative index of eutrophication, the concentration of chlorophyll-a has always been ...
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Jian Gao, Ping Zhong, Jiajia Ning, Zhengwen Liu and Erik Jeppesen
Studies suggest that, unlike the situation in temperate lakes, high biomasses of omnivorous fish are maintained in subtropical and tropical lakes when they shift from a turbid phytoplankton-dominated state to a clear water macrophyte-dominated state, and...
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En Hu, Hu He, Yaling Su, Erik Jeppesen, Zhengwen Liu
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We applied natural abundance stable isotope d13C and radiocarbon ?14C analyses to investigate trophic linkages between zooplankton and their potential food sources (phytoplankton, submersed plants, and allochthonous organic carbon) in Lake Nam Co, one of...
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