UDC

595.76

Authors

Zubriy Natal’ya Andreevna
Institute of Ecological Problems of the North, Ural Branch of the Russian Academy of Sciences (Arkhangelsk, Russia)
e-mail: 9052930111@mail.ru
Filippov Boris Yur’evich
Institute of Medical and Biological Research, Northern (Arctic) Federal University named after M.V. Lomonosov (Arkhangelsk, Russia)
e-mail: fby@yandex.ru

Abstract

Based on the field research of the local fauna of ground beetles typical of Yugor Peninsula tundra (near the Amderma village) and entomological collections in the period of June – September 2013 30 542 imago of ground beetles were collected and a habitation of 28 Carabidae species from 16 genera was determined. More than a half of Carabidae fauna belongs to the Holarctic species. According to the distribution in the composition of the soil profile these spices are mostly associated with litter. For all species of ground beetles of the study area the habitat data, magnitude of population and the date of collection are given. The amount of the local ground beetles in the typical tundra is consistently reduced as compared to the southern tundra areas of the European sector of the Arctic. Thus, take place the changes in the ratio of the number of species in the local fauna genera, with the increasing proportion of the species in the single genus. The greatest number of species was observed for the genus Pterostichus – 9 species, and 6 of them belong to the subgenus Cryobius. The rest of the genera are represented by 1–2 species. A half of all collected imago belongs to 2 species: Curtonotus alpinus and Notiophilus aquaticus. The study results of the Carabidae local fauna of the typical tundra of the Yugor Peninsula and the previous results allowed to confirm the hypothesis about a larger number of species in the local Carabidae fauna of the European North, as compared to the calculated tendency of change in the number of species on the mean temperature in July. These results were achieved due to the research during the whole warm season in a large spectrum of biocenosis and collection of rare species.

Keywords

Arctic, the Yugor Peninsula, typical tundra, Carabidae, local fauna

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