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

ISSN Imprimer: 0018-8166
ISSN En ligne: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v50.i3.50
pages 41-54

On the Ecology of Phytoepiphyton of Water Bodies of the Dnieper River Basin

P. D. Klochenko
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine
T. F. Shevchenko
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine
T. A. Vasilchuk
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
V. P. Osipenko
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev
T. V. Yevtukh
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev
V. A. Medved'
Institute of Hydrobiology National Academy of Sciences of Ukraine Kyiv, Ukraine
Z. N. Gorbunova
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine

RÉSUMÉ

It has been found that in water bodies of various types (reservoirs of the Dnieper cascade and lakes of Kiev) the taxonomic structure of phytoepiphyton of higher aquatic plants is closely similar. Its peculiar feature is the presence of Streptophyta (the class Zygnematophyceae and the orders Zygnematales and Desmidiales) in the spectrum of leading taxa. These algae along with Bacillariophyta and Chlorophyta prevail in terms of their numbers and biomass, and also enter into the composition of the complex of dominant species. Streptophyta are represented mainly by attached organisms occurring in mesotrophic and eutrophic waters in the sections with a higher content of organic matter. They are registered at lower values of pH. These algae are more abundant in the sections with a lower speed of water flow. Comparison of ecological characteristics of Streptophyta with the data of hydrochemical investigations supports the statement that they are reliable indicators of the environmental conditions.


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