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Russian Journal of Ecology

, Volume 50, Issue 6, pp 526–534 | Cite as

Communities of Soil Nematodes of Various Tundra Phytocenoses Differing in the Development Level of the Shrub Layer

  • A. A. KudrinEmail author
  • T. N. Konakova
  • A. A. Taskaeva
Article
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Abstract—

In the series of phytocenoses from low bush to large-bushy tundra (Vorkuta district, Republic of Komi), with an increase in the shrub layer, the structure of nematode communities changes, as does their number and diversity. Among the trophic groups, a change in the number of bacterio-, myco-, and phytotrophs corresponded to the general tendency. Predators showed the opposite trend, while the abundance of polytrophs did not differ much in the studied areas. Differences in nematode communities are associated with changes in the hydrothermal regimen and chemical properties of the soil. Ecological and faunistic indices, calculated based on data on the abundance and diversity of nematodes, indicate a low level of organic matter in the soil food network and an equal proportion of fungal and bacterial decomposition patterns. However, additional verification of the efficiency of these indices in tundra ecosystems is required.

Keywords:

soil nematodes Bolshezemelskaya tundra vegetation shrub layer 

Notes

ACKNOWLEDGMENTS

The authors are grateful to E.M. Lapteva and A.N. Panyukov for help in the selection and description of sites, as well as to Yu.A. Kholopov for help with sampling.

FUNDING

This work was carried out as part of a state assignment on the topic “Distribution, systematics and spatial organization of the fauna and population of terrestrial and aquatic animals of taiga and tundra ecosystems of the European North-East of Russia”, no. Gr RK AAAA-A17-117112850235-2, no. Parus-NIR 0414- 2018-0005.

COMPLIANCE WITH ETHICAL STANDARDS

Conflict of interests. The authors declare that they have no conflict of interest.

Statement on the welfare of animals. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • A. A. Kudrin
    • 1
    Email author
  • T. N. Konakova
    • 1
  • A. A. Taskaeva
    • 1
  1. 1.Institute of Biology, Komi Scientific Center, Ural Branch, Russian Academy of SciencesSyktyvkarRussia

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