Some Results of Studying Zooplankton
in Lakes of Northern Kazakhstan

N. I. Yermolaeva

Institute for the Water and Ecological Problems of Siberian Branch of Russian Academy of Sciences,
Morskoi prospect 2, Novosibirsk, 630090, Russia

e-mail: hope@iwep.nsc.ru

Received February 6, 2013

Abstract—The results of a preliminary survey of the ecological state of 16 lakes in northern Kazakhstan are
presented. The ecological state and trophic status of the lakes were assessed using methods of bioindication.
The data on the saprobity and quantitative parameters of the lake zooplankton are given. Infection by Ergasilus
sieboldi Nordmann was revealed in one of the waterbodies studied.

Keywords: zooplankton, lakes, ecology, bioindication, saprobity

DOI: 10.1134/S2079096113040069

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