Distribution of Leeches in Aquatic Ecosystems
of the City of Yekaterinburg and Its Vicinity

L. V. Chernaya and L. A. Koval’chuk

Institute of Plant and Animal Ecology, Ural Division, Russian Academy of Sciences,

ul. Vos’mogo Marta 202, Yekaterinburg, 620144 Russia;

e-mail: kovalchuk@ipae.uran.ru

Received October 22, 2007

Abstract—Ecological features and species composition of leeches were studied in 25 water bodies located in
the city of Yekaterinburg and its vicinity. Specific features of their occurrence and distribution in water bodies
of various types were analyzed. Dominant, mass, common, and rare species were distinguished.

DOI: 10.1134/S1067413609020064

Key words: fauna of leeches, tolerance, technogenic pollution.

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