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Abstract
Habitat conditions of Desmana moschata (Talpidae, Eulipotyphla, Mammalia) in the buffer zone of the Prisurskiy State Nature Reserve (Russia)
Highlights
The Russian desman (Desmana moschata Linnaeus, 1758) is a semi-aquatic mammal
Twenty-one water bodies have been studied in the River Sura lower reaches floodplain, located in the western part of the buffer zone of the Prisurskiy State Nature Reserve
The biomass of the main food source for the Russian desman depends on a dissolved oxygen concentration, water body trophicity and the bottom slope, which are the indirect parameters of an optimum environment for the Russian desman
Summary
The Russian desman (Desmana moschata Linnaeus, 1758) is a semi-aquatic mammal. Most of the population is distributed along the River Volga tributaries. The dynamics of the Russian desman population exhibits a constant decrease. In 1970, the species stock was estimated at 70 900 individuals. Only 15 years later (1985), the number decreased by 42% to 40 800. After the 15 years (2001), the Russian desman population was estimated as 28 000 individuals (Khakhin, 2009). Demolishing of the suitable habitats, poaching and recently climate warming are the main factors of the population decrease (Onufrenya & Onufrenya, 2016)
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