Yu. A. Davydova

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Analysis of the effect of emissions from the Karabash Copper Smelter (Southern Urals) on the small mammal community has shown that its abundance and structure change significantly under technogenic impact. Structural transformations are accompanied by changes in the composition of dominant species. The “dose-effect“ pattern of community response to this(More)
The quantitative and structural hematological indices were studied in bank vole in different reproductive states (overwintered individuals, mature underyearlings, and immature underyearlings) in different years corresponding to different phases of the population cycle. The annual changes in certain hematological indices have been revealed for each(More)
297 The spleen is a multifunctional organ taking part in hematopoiesis and immune reactions in mammals. It is known that the spleen is sensitive to different dam aging factors [1–3], but since its weight and size are highly variable, it is not recommended as a morpho physiological indicator of natural population state [4]. Spleen hypertrophy is sometimes(More)
Sources of variation in the relative spleen weight have been studied in small mammals (Rodentia: Muridae, Cricetidae; Insectivora: Soricidae) from the Ural and Fennoscandian forest ecosystems differing in the level of industrial pollution (2004–2010). Formal threshold indices for the diagnosis of splenomegaly in rodents and shrews have been proposed and(More)
Fluctuating asymmetry (FA) of the mandible shape has been analyzed in bank voles from the zones affected by pollution from three copper smelters in the Urals. It has been shown that there is the necessity for a detailed analysis of the material, since the level of FA may depend on population parameters. Regardless of the pollution level, FA of the mandible(More)
Studies in the vicinities of copper smelters and in undisturbed areas of the Middle Urals have been performed to evaluate the effect of industrial pollution with heavy metals on macro- and micromorphological parameters of kidneys (weight, weight index, the spectrum and frequency of histopathologies) in the bank vole (Clethrionomys glareolus Schreber, 1780)(More)
338 The reaction of communities of small mammals to the industrial impact, as well as that of other biotic components, are traditionally studied by comparing the population within the limits of some variant of a biotope presented in the entire load gradient that is most often dominant in the region. In the case of this approach, clear reduction in the(More)
535 Dental characteristics are widely used in the study of evolutionary and ecological aspects of intraspecific variation in rodents (Bol’shakov et al., 1980; Chaline et al., 1999; Borodin, 2009; Olenev, 2009; etc.). At the same time, differences in sex–age population struc ture, recorded in different seasons and phases of pop ulation cycles, may provide(More)
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