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Di Wu, Jie Jiang, Fangyi Wang, Yunru Luo, Xiangdong Lei, Chengguang Lai, Xushu Wu and Menghua Xu
With the rapid development of urbanization and a population surge, the drawback of water pollution, especially eutrophication, poses a severe threat to ecosystem as well as human well-being. Timely monitoring the variations of water quality is a preceden...
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Milán Farkas, Sándor Szoboszlay, Lajos Vörös, Zsófia Lovász, Nikoletta Méhes, Kálmán Mátyás, Rózsa Sebok, Edit Kaszab, Judit Háhn, Gergo Tóth, Péter Harkai, Árpád Ferincz, András Táncsics and Balázs Kriszt
Balaton is the largest shallow lake in Central Europe. It is one of the few lakes where eutrophication processes have been successfully reversed. The creation of a wetland area on the lower part of the main inflow river played a major role in the re-olig...
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Bárbara Angélio Quirino, Sidinei Magela Thomaz, Erik Jeppesen, Martin Søndergaard, Mário Sérgio Dainez-Filho and Rosemara Fugi
Aquatic macrophytes are generally recognized to influence fish?prey interactions. We assessed how fish consume particular foods, and how their foraging efficiency, trophic niche breadth, and niche overlap respond to gradients of macrophyte density and di...
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Maurizio Azzaro, Antonietta Specchiulli, Giovanna Maimone, Filippo Azzaro, Angelina Lo Giudice, Maria Papale, Rosabruna La Ferla, Rodolfo Paranhos, Anderson Souza Cabral, Alessandro Ciro Rappazzo, Monia Renzi, Pasquale Castagno, Pierpaolo Falco, Paola Rivaro and Gabriella Caruso
In open regions of the Ross Sea, the role of the microbial community in the turnover of organic matter has scarcely been investigated; indeed, very little is known on how microbial distribution and functional diversity respond to environmental conditions...
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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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Tsu-Chuan Lee and Clark C. K. Liu
Algal bloom in a freshwater lake is a rapid increase of aquatic plants, which disrupts the ecological balance and its potential for beneficial uses. This problem has been managed by relating the trophic levels of a lake with nutrient loading. This tradit...
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Celia Y. Chen, Darren M. Ward, Jason J. Williams and Nicholas S. Fisher
Evaluating the degree of metal exposure and bioaccumulation in estuarine organisms is important for understanding the fate of metals in estuarine food webs. We investigated the bioaccumulation of Hg, methylmercury (MeHg), Cd, Se, Pb, and As in common int...
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Marek Svitok, Milan Novikmec, Peter Bitu?ík, Branislav Má?a, Jozef Obona, Miroslav Ocadlík and Eva Michalková
Only little attention has been paid to the impact of acid mine drainages (AMD) on aquatic ecosystems in Central Europe. In this study, we investigate the physico-chemical properties of low-order streams and the response of benthic invertebrates to AMD po...
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