To the issue of small mammals living in the federal state organization «Kronotsky nature reserve»

Tyumen State University Herald. Natural Resource Use and Ecology


Release:

Bulletin of Tyumen State University. Ecology (№12). 2014

Title: 
To the issue of small mammals living in the federal state organization «Kronotsky nature reserve»


About the author:

Alyona Yu. Levykh, Cand. Sci. (Biol.), Associate Professor, Department of Biology, Geography and Teaching Methods, P. P. Ershov Ishim Pedagogical Institute (University of Tyumen Branch); aljurlev@mail.ru

Abstract:

On the basis of the 2014 faunal census, the author analyses the ecological and taxonomic structure of communities of small mammals living in specially protected natural areas of FSO «Kronotsky Reserve»: Valley of the Geysers, Uzon Volcano Caldera, Death Valley. 3 species of small mammals were caught in trap lines: the northern redbacked vole (Clethrionomys rutilus), the gray-sided vole (Clethrionomys rufocanus), the even-toothed shrew (Sorex isodon). 3 species of shrews (Sorex) were caught in pitfall trap drums: the Kamchatka shrew (Sorex camtschatica), the Siberian large-toothed shrew (Sorex daphaenodon), and Laxmann's shrew (Sorex caecutiens). On the basis of the species composition and abundance of certain species, the following biodiversity indices were calculated for small mammals communities, living in different biotopes: species richness index, diversity index, evenness index, dominance index, cenosis stability indices. On the basis of the correlation of age and sex groups, number of pregnant females, number of embryos, the author provides evaluation of the reproductive success for the communities under scrutiny. Indicator characteristics of certain species and their correlation in the terioconosis structure allow to state anthropogenic adaptation of microteriocenosis under study.

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