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Biology BulletinVolume 44, Issue 10, 1 December 2017, Pages 1228-1236

The Structural and Functional State of Soil Microbiota in a Chemically Polluted Environment(Article)

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  • aNizhnii Tagil State Social and Pedagogical Institute of Russian State Vocational Pedagogical University, Nizhnii Tagil, 622031, Russian Federation
  • bInstitute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620144, Russian Federation
  • cInstitute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences, Perm, 614081, Russian Federation
  • dPerm State University, Perm, 614900, Russian Federation

Abstract

The structural and functional diversity of the main ecological trophic groups of soil microorganisms in meadow soils of the Central Urals anthropogenically contaminated with heavy metals was studied. The increase in the total numbers of these microorganisms in technozems, in comparison with those in agrozems, is due to the higher abundance of iron-reducing, denitrifying, nitrogen-fixing, and sulfate-reducing bacteria, an increase in cellulolytic activity, and the dependence of these characteristics on the toxic load of the soil. A reductive structure of the microbial community with the predominance of r-strategists, which reflects earlier stages of microbiocenoses succession under soil contamination, is formed under soil pollution with heavy metals. © 2017, Pleiades Publishing, Inc.

Author keywords

ecological trophic groups of bacteriaenvironmental pollutionheavy metalsoligotrophic capacitysuccession rate

Funding details

Funding sponsor Funding number Acronym
Russian Foundation for Basic Research13-04-96056-r_ural_aRFBR
Ural Branch, Russian Academy of Sciences12-I-4-2051UB RAS

  • 1

    ACKNOWLEDGMENTS This work was supported by the Government of Sverdlovsk oblast, the Russian Foundation for Basic Research (project no. 13-04-96056-r_ural_a), and a Program of the Presidium of the Ural Branch, Russian Academy of Sciences (project no. 12-I-4-2051).

  • ISSN: 10623590
  • CODEN: BRASE
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1134/S1062359017100193
  • Document Type: Article
  • Publisher: Pleiades Publishing

  Zhuikova, T.V.; Nizhnii Tagil State Social and Pedagogical Institute of Russian State Vocational Pedagogical University, Nizhnii Tagil, Russian Federation;
© Copyright 2018 Elsevier B.V., All rights reserved.

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