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ISSN: 0018-8166 Print
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Pages: 138
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Long-term Changes in Phytoplankton of the Upper Reaches of the Dnieper River
L. N. Zimbalevskaya
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
V. D. Beskaravaynaya
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
ABSTRACT
Retrospective analysis of the results of the study of phytoplankton of the upper reaches of the Dnieper river carried out in the 1950s, 1960s, and 1980s was made. Changes in the species diversity, numbers, and biomass of all the main taxonomic groups of phytoplankton, as well as in the structure of its communities occurring in the riverbed, were followed from the source of the river to the upper section of the Kiev reservoir and in floodplain water bodies. The upper reaches of the Dnieper river can be characterized as (3-mesosaprobic zone in terms of the level of organic pollution.
pages 14
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