Safonov M.A., Rusakov A.V., Cherdyntseva T.M.
BIOTIC INDICATORS OF ECOTONE EFFECT IN THE FOOTHILLS OF THE SOUTHERN PREURALS ^{[№ 6 ' 2013]}
In article the influence of ecotone effect on the characteristics of flora, plant cover and beetles population is considered. The analysis has shown, that the majority of parameters naturally variate in a gradient and some parameters, such as alpha-diversity, plant covering — reach the maximum level in ecotone zone.

Rusakov A.V., Cherdintseva T.M.
ECOLOGICAL STRUCTURE OF POPULATION OF GROUND BEETLES (COLEOPTERA, CARABIDAE) IN ORENBURG CITY ^{[№ 12 ' 2011]}
In paper the results of the study of ecological characteristics of beetles population in the Orenburg city. 48 species from 15 genera of ground beetles was noted. Zoogeographic and ecological characteristics, distribution and habitat preferendumu range of life forms are analyzed.