Ecophysiological indicators of microbial biomass status in chernozem soils of the Central Caucasus (in the territory of Kabardino-Balkaria with the Terek variant of altitudinal zonation)

Ecophysiological indicators of microbial biomass status in chernozem soils of the Central... A comparative assessment of the biological properties of chernozem soils in agro- and biogeocenoses has been made by determining the rates of basal and substrate-induced soil respiration and using these data to calculate ecophysiological indices characterizing the potential and stability of soil microbial biomass. The results show that the rate of CO2 emission and the contents of microbial biomass carbon in agriculturally exploited chernozem soils have decreased by factors of 3 and 2.6, respectively. The values of microbial metabolic quotients are indicative of medium-to-strong disturbance to the stability of microbial communities in chernozem soils of agrocenoses. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Ecophysiological indicators of microbial biomass status in chernozem soils of the Central Caucasus (in the territory of Kabardino-Balkaria with the Terek variant of altitudinal zonation)

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Publisher
Springer Journals
Copyright
Copyright © 2016 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Ecology; Environment, general
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1134/S1067413616010069
Publisher site
See Article on Publisher Site

Abstract

A comparative assessment of the biological properties of chernozem soils in agro- and biogeocenoses has been made by determining the rates of basal and substrate-induced soil respiration and using these data to calculate ecophysiological indices characterizing the potential and stability of soil microbial biomass. The results show that the rate of CO2 emission and the contents of microbial biomass carbon in agriculturally exploited chernozem soils have decreased by factors of 3 and 2.6, respectively. The values of microbial metabolic quotients are indicative of medium-to-strong disturbance to the stability of microbial communities in chernozem soils of agrocenoses.

Journal

Russian Journal of EcologySpringer Journals

Published: Jan 22, 2016

References

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