Spatial variability of soil microbial biomass and its relationships with edaphic, vegetational and climatic factors in the Three-River Headwaters region on Qinghai-Tibetan Plateau
Shen, RC; Xu, M; Li, RQ; Zhao, FX; Sheng, QK
2015
Source PublicationAPPLIED SOIL ECOLOGY
ISSN0929-1393
Volume95Pages:191-203
AbstractThis study aims to investigate the level of soil microbial biomass (MB) and analyze the relationships between soil MB and edaphic, vegetational and climatic factors at high elevation sites (>3000 m). We collected soil samples from 0 to 10 cm soil depth in 259 plots at 55 sites across 6 biomes in Three-River Headwaters (TRH) region at 3280-5127 m elevation. Soil microbial biomass carbon and nitrogen (MBC and MBN) were measured with the chloroform fumigation-extraction method. Multivariate stepwise regression analyses were used to analyze the combined effects of edaphic, vegetational and climatic factors on soil MB. We found: (1) soil MBC and MBN had an average of 30.95 mmol C/kg dry soil and 5.84 mmol N/kg dry soil in TRH, respectively, and their values were found to be negatively correlated with elevation; (2) soil MB was found to be significantly different among different biomes, and this spatial variation could be explained by the levels of soil organic carbon and belowground plant biomass. Our results indicate that the MB at high elevation region might be very low, and the increasing trend of soil microbial biomass with elevation could reverse at higher elevations. (C) 2015 Elsevier B.V. All rights reserved.
SubtypeJournal
KeywordCarbon Nitrogen Alpine ecosystem Biogeochemical cycle Stoichiometry Global warming
Subject AreaAgriculture
WOS Subject ExtendedSoil Science
WOS KeywordNET PRIMARY PRODUCTIVITY ; WET TROPICAL FORESTS ; ELEVATION GRADIENT ; COMMUNITY COMPOSITION ; ORGANIC-CARBON ; ENZYME-ACTIVITIES ; ALPINE MEADOW ; LAND-USE ; CHINA ; NITROGEN
Indexed BySCI
Language英语
WOS IDWOS:000359021800021
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/44345
Collection生态系统网络观测与模拟院重点实验室_生态网络实验室
Recommended Citation
GB/T 7714
Shen, RC,Xu, M,Li, RQ,et al. Spatial variability of soil microbial biomass and its relationships with edaphic, vegetational and climatic factors in the Three-River Headwaters region on Qinghai-Tibetan Plateau[J]. APPLIED SOIL ECOLOGY,2015,95:191-203.
APA Shen, RC,Xu, M,Li, RQ,Zhao, FX,&Sheng, QK.(2015).Spatial variability of soil microbial biomass and its relationships with edaphic, vegetational and climatic factors in the Three-River Headwaters region on Qinghai-Tibetan Plateau.APPLIED SOIL ECOLOGY,95,191-203.
MLA Shen, RC,et al."Spatial variability of soil microbial biomass and its relationships with edaphic, vegetational and climatic factors in the Three-River Headwaters region on Qinghai-Tibetan Plateau".APPLIED SOIL ECOLOGY 95(2015):191-203.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Shen, RC]'s Articles
[Xu, M]'s Articles
[Li, RQ]'s Articles
Baidu academic
Similar articles in Baidu academic
[Shen, RC]'s Articles
[Xu, M]'s Articles
[Li, RQ]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Shen, RC]'s Articles
[Xu, M]'s Articles
[Li, RQ]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.