Shift in soil microbial communities with shrub encroachment in Inner Mongolia grasslands, China

doi:10.1007/s11427-016-0057-9

	Shift in soil microbial communities with shrub encroachment in Inner Mongolia grasslands, China
	Li, He ; Zhang, Jianhua ; Hu, Huifeng ; Chen, Leiyi ; Zhu, Yankun ; Shen, Haihua ; Fang, Jingyun1
	2017
发表期刊	EUROPEAN JOURNAL OF SOIL BIOLOGY
ISSN	1164-5563
卷号	79 页码:40-47
摘要	The ongoing expansion of shrub encroachment into grasslands represents a unique form of land cover change. How this process affects soil microbial communities is poorly understood. In this study, we aim to assess the effects of shrub encroachment on soil microbial biomass, abundance and composition by comparing data between shrub patches and neighboring herb patches in shrub-encroached grasslands (SEGs) in Inner Mongolia, China. Fourteen SEG sites from two ecosystem types (typical and desert grasslands) were investigated. The phospholipid fatty acid (PLFA) method was used to analyze the composition and biomass of the soil microbial community. Our results showed that the top-soil microbial biomass and abundances of gram-negative bacteria, arbuscular mycorrhizal fungi, and actinomycetes were significantly higher in shrub patches than in herb patches in both typical and desert grasslands (P < 0.05). The fungi to bacteria ratio was significantly higher in shrub patches than in herb patches in desert grassland (P < 0.05). The microbial biomass was positively associated with mean annual precipitation, total nitrogen and available phosphorus, and negatively associated with mean annual temperature. Our results also indicated that the variation in microbial composition was largely explained by edaphic factors, followed by climate factors. In conclusion, shrub encroachment in Inner Mongolia grasslands has significantly influenced the structure and abundance of soil microbial communities, which makes the microbial communities toward a fresh organic carbon-based structure. This study highlights the importance of edaphic and climate factors in microbial community shifts in SEGs. (C) 2017 Elsevier Masson SAS. All rights reserved.
关键词	Climate factors Edaphic factors Microbial community PLFA Shrub encroachment
学科领域	Life Sciences & Biomedicine - Other Topics
DOI	10.1007/s11427-016-0057-9
收录类别	SCI
语种	英语
WOS关键词	WOODY PLANT ENCROACHMENT ; PHOSPHOLIPID FATTY-ACID ; FUNGAL COMMUNITIES ; LAND-USE ; CARBON ; PHOSPHORUS ; BACTERIAL ; IMPACTS ; BIOGEOGRAPHY ; MANAGEMENT
WOS记录号	WOS:000396871100010
出版者	ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
文献子类	Article
出版地	ISSY-LES-MOULINEAUX
EISSN	1778-3615
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31330012, 31470525, 31400364] ; National Basic Research Program of China on Global ChangeNational Basic Research Program of China [2014CB954001] ; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2016M591282]
作者邮箱	shen.haihua@ibcas.ac.cn ; jyfang@urban.pku.edu.cn
作品OA属性	hybrid
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/22151
专题	植被与环境变化国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 2.Peking Univ, Dept Ecol, Coll Urban & Environm, Minist Educ,Key Lab Earth Surface Proc, Beijing 100871, Peoples R China
推荐引用方式 GB/T 7714	Li, He,Zhang, Jianhua,Hu, Huifeng,et al. Shift in soil microbial communities with shrub encroachment in Inner Mongolia grasslands, China[J]. EUROPEAN JOURNAL OF SOIL BIOLOGY,2017,79:40-47.
APA	Li, He.,Zhang, Jianhua.,Hu, Huifeng.,Chen, Leiyi.,Zhu, Yankun.,...&Fang, Jingyun.(2017).Shift in soil microbial communities with shrub encroachment in Inner Mongolia grasslands, China.EUROPEAN JOURNAL OF SOIL BIOLOGY,79,40-47.
MLA	Li, He,et al."Shift in soil microbial communities with shrub encroachment in Inner Mongolia grasslands, China".EUROPEAN JOURNAL OF SOIL BIOLOGY 79(2017):40-47.

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