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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- 作者：O. N. Gorobtsova ; F. V. Gedgafova ; T. S. Uligova…
- 关键词：chernozem soils ; Kabardino ; Balkaria ; basal and substrate ; induced respiration ; microbial biomass carbon ; microbial metabolic quotients
- 刊名：Russian Journal of Ecology
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：47
- 期：1
- 页码：19-25
- 全文大小：469 KB
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F. V. Gedgafova (1)
T. S. Uligova (1)
R. Kh. Tembotov (1)
1. Tembotov Institute of Ecology of Mountain Territories Kabardino-Balkar Scientific Center, ul. I. Armand 37a, Nalchik, 360051, Russia - 刊物类别：Biomedical and Life Sciences
- 刊物主题：Life Sciences
Ecology
Environment
Russian Library of Science - 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
- ISSN：1608-3334
文摘
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. Keywords chernozem soils Kabardino-Balkaria basal and substrate-induced respiration microbial biomass carbon microbial metabolic quotients