G. V.
Parchuk P. D.
Klochenko ABSTRACT The taxonomic composition and quantitative development of zooplankton were studied in 15 tributaries of the Dnieper river. Comparative studies on zooplankton found in different watercourses were carried out using Shannon index of species diversity and coefficients of community by Srensen and Sörensen-Czekanovski (Cekanovsky). Saprobic indices calculated in terms of the indicator species of zooplankton suggest that the majority of watercourses studied can be assigned to the β-mesosaprobic zone of pollution.
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