Home – Home – Jornals – Contemporary Problems of Ecology 2021 number 1

As a result of the analysis of all data on the number and distribution of small mammals in Western Siberia over the past 120 years, it was found that 20 of their 28 species, recorded in the Northern taiga, form their communities. In the communities of small mammals of the Northern taiga, a similar structure of dominance is generally preserved. The main dominant species: red vole, medium and common shrews predominate almost everywhere. Other 6 codominant species (small and tundra shrews, and housekeeper’s, dark, red and red-gray voles) dominate only in certain areas. The remaining 11 species, both widely and narrowly distributed, make up a small part of the communities. The increase in the species richness of communities in the Eastern direction (from 15 to 19 species) is determined by the increase in the number of Siberian species. In General, in the studied area of the Northern taiga, the largest contribution to small mammal communities is made by representatives of the Siberian type of fauna, with the exception of the Western part of the subzone, where European species predominate.