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International Journal on Algae
SJR: 0.219 SNIP: 0.261 CiteScore™: 0.24

ISSN Print: 1521-9429
ISSN Online: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v19.i2.50
pages 147-162

The Bio-indicative Analysis of Species Composition of Phytoplankton of the Pripyat River Tributaries (Ukraine)

Yu. S. Shelyuk
Ivan Franko Zhytomir State Univ., Dept of Botany, Bioresources and Conservation of Biodiversity, 42 Pushkinskaya Str., Zhytomir 10000, Ukraine

ABSTRACT

The results of a long-term bio-indicative analysis of the species composition of phytoplankton of nine tributaries of the Pripyat River are presented. A total of 457 species of algae represented by 485 intraspecific taxa, including the nomenclature type of the species, have been identified. They belong to 14 classes, 34 orders, 71 families, and 189 genera. It was shown that planktic and plankton-benthic species of algae prevail in phytoplankton of the studied rivers. In terms of water temperature, the eurytherms and indicators of a moderate temperature range dominate as well as the species preferring an average level of fluidity of water and oxygen saturation, indifferent to the level of salinity and pH. According to the Watanabe system of water pollution, the investigated rivers are characterized by a moderate level of pollution by organic compounds. According to the Pantle-Bucc system (in the modification of Sladecek), the majority of the studied rivers belong to the third class of water quality ("satisfactory" and "clean"). The predominance of autotrophic forms was noted, while in the Ikopot and Berestok rivers facultative heterotrophs were also statistically significant. The data of the study can be used for forecasting the ecological situation in the Pripyat River's basin.


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