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


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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.

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T. Zhuikova

Nizhnii Tagil State Social and Pedagogical Institute of Russian State Vocational Pedagogical University; Institute of Plant and Animal Ecology, Ural Branch

编辑信件的主要联系方式.
Email: hbfnt@rambler.ru
俄罗斯联邦, Nizhnii Tagil, 622031; Yekaterinburg, 620144

V. Gordeeva

Nizhnii Tagil State Social and Pedagogical Institute of Russian State Vocational Pedagogical University; Institute of Plant and Animal Ecology, Ural Branch

Email: hbfnt@rambler.ru
俄罗斯联邦, Nizhnii Tagil, 622031; Yekaterinburg, 620144

V. Bezel’

Institute of Plant and Animal Ecology, Ural Branch

Email: hbfnt@rambler.ru
俄罗斯联邦, Yekaterinburg, 620144

L. Kostina

Institute of Ecology and Genetics of Microorganisms, Ural Branch

Email: hbfnt@rambler.ru
俄罗斯联邦, Perm, 614081

I. Ivshina

Institute of Ecology and Genetics of Microorganisms, Ural Branch; Perm State University

Email: hbfnt@rambler.ru
俄罗斯联邦, Perm, 614081; Perm, 614900

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