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Distribution of picocyanobacteria and virioplankton in mesotrophic and eutrophic reservoirs: The role of viruses in mortality of picocyanobacteria
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SYSNO ASEP 0353246 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Distribution of picocyanobacteria and virioplankton in mesotrophic and eutrophic reservoirs: The role of viruses in mortality of picocyanobacteria Author(s) Kopylov, A.I. (RU)
Kosolapov, D.B. (RU)
Zabotkina, E.A. (RU)
Straškrábová, Viera (BC-A) RIDSource Title Biology Bulletin - ISSN 1062-3590
Roč. 37, č. 6 (2010), s. 565-573Number of pages 9 s. Language eng - English Country US - United States Keywords cyanobacteria ; cyanophages ; upper Volga reservoirs Subject RIV DJ - Water Pollution ; Quality CEZ AV0Z60170517 - HBU-Z, BC-A (2005-2011) DOI 10.1134/S1062359010060038 Annotation Distribution of picocyanobacteria (PICO) and cyanophages (CPH) were studied in mesotrophic and mesoeutrophic Sheksna and Rybinsk reservoirs of Volga-Baltic Waterway system (21 sampling stations between 59 to 60 degree North and 37 to 38 degree East, depths from 1.3 to 9 m, surface water temperature 20.5 to 22.7 degree C). The share of PICO in phytoplankton biomass and production decreased along with the increase the trophy. Daily total phytoplankton production varied from 100 to 726 carbon per cubic m. The abundance of CPH as well as infection and virus-induced mortality of PICO, in the opposite, increased (doubled). Mortality of PICO from viral lysis increased up to 52% of their daily production in the stations where phytoplankton blooms developed and at the parts affected by communal pollution. Workplace Biology Centre (since 2006) Contact Dana Hypšová, eje@eje.cz, Tel.: 387 775 214 Year of Publishing 2011
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