CHIRONOMID COMMUNITIES IN THE LITTORAL ZONE ON THE WESTERN COAST OF THE

Lyubov Kravtsova

Abstract


Abstract

The spatial distribution of chironomid

communities in the littoral zone (0-20 m) of the

western coast of the southern Baikal basin is

investigated. The fauna is composed of 16 species

and forms of chironomid larvae, comprising 10

communities. It has been found that the

communities are characterized by rather poor

species diversity; Shannon’s index varies from

0.7 to 2.1 bit. Their distribution is affected by

hydro-lithodynamic conditions, type of bottom

sediments and macrophyte development. The

peak of maximal biomass of chironomid larvae

on the facies of non-rounded rock debris near

Berezovy Cape is recorded in spring.


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DOI: http://dx.doi.org/10.5324/cjcr.v0i20.43



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