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Community Structure of the Shrews (Sorex, Eulipotyphla) in the Seimchan–Buyunda Depression, Basin of the Upper Reaches of the Kolyma River.

Authors :
Dokuchaev, N. E.
Kiselev, S. V.
Source :
Biology Bulletin. Dec2023, Vol. 50 Issue 7, p1711-1718. 8p.
Publication Year :
2023

Abstract

The Seimchan–Buyunda Depression in the basin of the upper reaches of Kolyma River is distinguished by a number of natural and climatic features: the presence of an extensive ground-filtration talik, rich vegetation of the valley forest complex, and relatively high summer temperatures. The structure of shrew community in the Seimchan–Buyunda Depression also differs significantly from that of the adjacent territories. With an obvious dominance of Sorex caecutiens, S. isodon stably occupies a subdominant position there. Within the Okhotsk–Kolyma region, such a high proportion of S. isodon in the shrew community is more typical of northern Cisokhotia. Thus, the Seimchan–Buyunda Depression is a kind of "oasis" for the species that must have entered the Upper Kolyma River from the Sea of Okhotsk coast. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
10623590
Volume :
50
Issue :
7
Database :
Academic Search Index
Journal :
Biology Bulletin
Publication Type :
Academic Journal
Accession number :
173804324
Full Text :
https://doi.org/10.1134/S1062359023070051