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Hydrobiological Journal
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v48.i1.10
pages 3-12

Modern Phytoplankton of the Krasnoyarsk Reservoir and the Quality of Its Water

L. A. Shchur
Institute of Biophysics, Siberian Branch, Akademgorodok; Institute of Computerized Simulation Siberian Department Russian Academy of Sciences; Institute of Ecology of Water Bodies Used for Fishery and Terrestrial Biosystems, Krasnoyarsk, Russia

ABSTRACT

Three following periods were distinguished in the Krasnoyarsk Reservoir in 2000−2009: with low, middle, and high water levels. The largest number of phytoplankton species and infraspecific taxa (193) was found at a middle water level. Cyanophyta gave way to Bacillariophyta, which is indicative of the decrease in the trophic level of the reservoir. In terms of phytoplankton biomass and saprobic index, water quality in the reservoir corresponds to the third class and β-mesosaprobic zone.


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