Arid
DOI10.1134/S1064229315090021
Microbial Communities of Buried Soils of the Tsaritsyn Defense Line (1718-1720)
Demkina, T. S.; Khomutova, T. E.; Kuznetsova, T. V.; Kontoboitseva, A. A.; Borisov, A. V.
通讯作者Demkina, T. S.
来源期刊EURASIAN SOIL SCIENCE
ISSN1064-2293
EISSN1556-195X
出版年2016
卷号49期号:1页码:56-69
英文摘要

Microbial communities of recent surface soils and the soils buried beneath the rampart of the Tsaritsyn Defense Line (1718-1720) in the Little Ice Age were studied. The contribution of the time factor to the variability in the number of microorganisms from different trophic groups was shown to be minor (0.2-0.3%), although significant. In the upper horizon of the paleosols reflecting the environmental conditions intrinsic to the period of the rampart construction, the lower (by two times) content of live microbial biomass, the lower metabolic activity of the microbial community, and the more contrasting changes in the microbiological parameters as compared to these characteristics in the recent soils were found for all the elements of the local topography. The stabilities of the microbial communities in the buried and recent soils were almost the same. The ecological-trophic structure of the microbial communities in the buried soils evidences that, the climate of the 18th century in the southern Privolzhskaya Upland was more humid than now. At the same time, temperature conditions of the Little Ice Age did not prevent the development of steppe vegetation and corresponding soil microbial communities in this area. Our data on the morphology and physicochemical properties of the soils confirm the assumption about more humid climatic conditions at the beginning of the 18th century in the studied area.


英文关键词Little Ice Age steppe soil microorganisms stability metabolic activity ecological-trophic structure
类型Article
语种英语
国家Russia
收录类别SCI-E
WOS记录号WOS:000374158200007
WOS关键词DESERT-STEPPE ZONE ; SURFACE SOILS ; PALEOSOLS ; BIOMASS ; KURGANS
WOS类目Soil Science
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192866
作者单位Russian Acad Sci, Inst Physicochem & Biol Problems Soil Sci, Ul Inst 2, Pushchino 142290, Moscow Oblast, Russia
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GB/T 7714
Demkina, T. S.,Khomutova, T. E.,Kuznetsova, T. V.,et al. Microbial Communities of Buried Soils of the Tsaritsyn Defense Line (1718-1720)[J],2016,49(1):56-69.
APA Demkina, T. S.,Khomutova, T. E.,Kuznetsova, T. V.,Kontoboitseva, A. A.,&Borisov, A. V..(2016).Microbial Communities of Buried Soils of the Tsaritsyn Defense Line (1718-1720).EURASIAN SOIL SCIENCE,49(1),56-69.
MLA Demkina, T. S.,et al."Microbial Communities of Buried Soils of the Tsaritsyn Defense Line (1718-1720)".EURASIAN SOIL SCIENCE 49.1(2016):56-69.
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