干旱区生态环境知识资源中心(Arid): Community composition and catabolic functional diversity of soil microbes affected by Hedysarum scoparium in arid desert regions of northwest China

Arid

DOI	10.1080/15324982.2019.1637968
	Community composition and catabolic functional diversity of soil microbes affected by Hedysarum scoparium in arid desert regions of northwest China
	Xue, Zike; He, Xueli; Zuo, Yiling
通讯作者	He, Xueli
来源期刊	ARID LAND RESEARCH AND MANAGEMENT
ISSN	1532-4982
EISSN	1532-4990
出版年	2020
卷号	34 期号:2 页码:152-170
英文摘要	The soil microbial community and edaphic factors in the rhizosphere and bulk soils of Hedysarum scoparium were investigated at seven arid desert locations in northwest China in July 2016. Plant and edaphic factors had significant effects on the community composition and functional diversity of soil microbes. Bacteria (ranging from 2.57 to 4.23 nmol g(-1)) contributed the most to the microbial community composition, followed by actinomycetes, followed by fungi. Carbohydrates, polymers, and carboxylic acids were the main carbon sources for soil microorganisms. Principal component analysis showed that the carbon source catabolism of soil microorganisms was higher in the rhizosphere than in bulk soils. Spearman correlation analyses revealed that the content of Gram-negative bacteria was significantly negatively correlated with the amino acids and that the content of AM fungi was significantly positively correlated with the carbohydrates and amines. Soil organic carbon, pH, and ammoniacal-N were significant predictors of microbial community composition, whereas soil organic carbon, phosphatase activity, and soil moisture were closely correlated with microbial carbon catabolism. This study indicated that soil microbial community composition and functional diversity are influenced by plants, nutrient availability, and enzymatic activity in the arid desert and serve as useful indicators for evaluating the soil quality and function of the desert ecosystem based on their relationships with the microbial community and soil nutrient distribution.
英文关键词	Biolog EcoPlates desert environment Hedysarum scoparium phospholipid fatty acids soil microorganisms
类型	Article
语种	英语
国家	Peoples R China
收录类别	SCI-E
WOS记录号	WOS:000474963900001
WOS关键词	ARBUSCULAR MYCORRHIZAL FUNGI ; PLANT DIVERSITY ; BACTERIAL COMMUNITIES ; SPATIAL VARIATION ; FATTY-ACIDS ; MICROORGANISMS ; RHIZOSPHERE ; CARBON ; ABUNDANCE ; BIOMASS
WOS类目	Environmental Sciences ; Soil Science
WOS研究方向	Environmental Sciences & Ecology ; Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/214407
作者单位	Hebei Univ, Coll Life Sci, 180 Wusidong Rd, Baoding 071002, Hebei, Peoples R China
推荐引用方式 GB/T 7714	Xue, Zike,He, Xueli,Zuo, Yiling. Community composition and catabolic functional diversity of soil microbes affected by Hedysarum scoparium in arid desert regions of northwest China[J],2020,34(2):152-170.
APA	Xue, Zike,He, Xueli,&Zuo, Yiling.(2020).Community composition and catabolic functional diversity of soil microbes affected by Hedysarum scoparium in arid desert regions of northwest China.ARID LAND RESEARCH AND MANAGEMENT,34(2),152-170.
MLA	Xue, Zike,et al."Community composition and catabolic functional diversity of soil microbes affected by Hedysarum scoparium in arid desert regions of northwest China".ARID LAND RESEARCH AND MANAGEMENT 34.2(2020):152-170.