Arid
DOI10.1134/S1064229314110064
Micromorphological and microbiological diagnostics of initial pedogenesis on the bottom of an artificial mesodepression in the northern caspian semidesert
Lebedeva, M. P.1; Kutovaya, O. V.1; Sizemskaya, M. L.2; Khokhlov, S. F.1
通讯作者Lebedeva, M. P.
来源期刊EURASIAN SOIL SCIENCE
ISSN1064-2293
EISSN1556-195X
出版年2014
卷号47期号:11页码:1123-1137
英文摘要

The results of micromorphological and microbiological studies of the initial pedogenesis on the gypsum-bearing calcareous heavy loams exposed within an artificially created mesodepression in the northern Caspian semidesert are discussed. Under conditions of an increased moistening and dense cover of trees and shrubs, the initial soil profile developed in 30 years has specific microfeatures related to the high activity of macro-, meso-, and microbiota. Micromorphological studies of large (5.5 x 8 cm) thin sections allowed us to trace the direction of humification processes, the degree of the biological decomposition of plant residues, and the character of structural changes under the impact of seasonal soil freezing against the background of the layered character of parent materials. Microbiological investigations demonstrated certain changes in the distribution patterns of different ecotrophic groups of soil microorganisms related to the input of fresh leave litter onto the soil surface and the decay of the roots of arboreal and herbaceous plants in the mineral soil profile. The layered distribution of plant residues in the soil profile predetermined specific functioning patterns of these groups.


英文关键词clayey semidesert elementary pedogenetic processes microfeatures of soil horizons weakly developed humus soils differentiation of the ecotrophic groups of microorganisms
类型Article
语种英语
国家Russia
收录类别SCI-E
WOS记录号WOS:000344874600006
WOS关键词DZHANYBEK RESEARCH STATION ; DESERT SOILS ; LYSIMETERS ; DEPRESSION
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/2XILL650/182002
作者单位1.Dokuchaev Soil Sci Inst, Moscow 119017, Russia;
2.Russian Acad Sci, Inst Forest Sci, Uspenskoye 143030, Moscow Oblast, Russia
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GB/T 7714
Lebedeva, M. P.,Kutovaya, O. V.,Sizemskaya, M. L.,et al. Micromorphological and microbiological diagnostics of initial pedogenesis on the bottom of an artificial mesodepression in the northern caspian semidesert[J],2014,47(11):1123-1137.
APA Lebedeva, M. P.,Kutovaya, O. V.,Sizemskaya, M. L.,&Khokhlov, S. F..(2014).Micromorphological and microbiological diagnostics of initial pedogenesis on the bottom of an artificial mesodepression in the northern caspian semidesert.EURASIAN SOIL SCIENCE,47(11),1123-1137.
MLA Lebedeva, M. P.,et al."Micromorphological and microbiological diagnostics of initial pedogenesis on the bottom of an artificial mesodepression in the northern caspian semidesert".EURASIAN SOIL SCIENCE 47.11(2014):1123-1137.
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