Zoobenthos of Kup-Khol lake (Tuva)

Distribution of zoobenthos was examiner by authors in mountain Koop-Khol Lake (Western Sayan). The dominating groups in different biotopes on littoral zone are Bivalvia and Chirinomidae. In profundal biomass is formed by big forms larvae of Chirinomidae. Fauna of mollusks include 13 species of Bivalvia and 1 species of Planorbidae family. The species are new for Tuva. Oligohaeta, Gammarus and Hyrudinea are in all types biotopes. They numbers and biomass are same as in all type of biotopes.

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