Small mammal communities in forest ecosystems affected by urbanization |
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Authors: | N F Chernousova O V Tolkach O E Dobrotvorskaya |
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Institution: | 1. Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, ul. Vos’mogo Marta 202a, Yekaterinburg, 620144, Russia 2. Botanical Garden, Ural Branch, Russian Academy of Sciences, ul. Vos’mogo Marta 202b, Yekaterinburg, 620144, Russia
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Abstract: | A set of characters has been used to evaluate transformations in forest phytocenoses and their small mammal communities affected by urbanization, compared to conditionally undisturbed phytocenoses (communities). In park forests of the city of Yekaterinburg, the understory and subordinate shrub and herb-dwarf shrub layers of phytocenosis are transformed to a greater extent. The undergrowth of conifer forestforming species is as a rule sparse or absent, and that of deciduous trees often consists mainly of invasive species. Small mammal communities in pine forests transformed under the effect of urbanization also undergo changes leading to the formation of relatively stable (for an urbanized environment) zoocenoses differing both in species composition and in parameters characterizing community diversity. |
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