干旱区生态环境知识资源中心(Arid): Environmental drivers of soil microbial activity and diversity along an elevational gradient

Arid

DOI	10.1007/s11629-021-7083-x
	Environmental drivers of soil microbial activity and diversity along an elevational gradient
	PENG, sI-li; GE, Zhi-wei; LIU, Gang-cai; MAO, Ling-feng
通讯作者	Liu, GC
来源期刊	JOURNAL OF MOUNTAIN SCIENCE
ISSN	1672-6316
EISSN	1993-0321
出版年	2022
卷号	19 期号:5 页码:1336-1347
英文摘要	Microbial functional and structural patterns and drivers along elevational gradients have recently received increasing attention. In this study, we examined soil bacterial and fungal community diversity, compositions, and microbial activities (i.e., soil basal respiration and extracellular enzyme activities) across an elevational gradient from 1148 m to 2080 m (consists of six elevations) in the Yuanmou dry-hot valley located in Southwest China. Environmental factors, including soil temperature, moisture content, pH, soil organic carbon (SOC), total nitrogen (TN), the C/N ratio, total phosphorus (TP), and aboveground plant biomass were also determined. The results showed that soil bacterial alpha diversity (Shannon index) was unaffected by elevation, whereas fungal alpha diversity firstly increased significantly from 1148 m to 1539 m but did not increase further at higher elevations. Bacterial Shannon index was significantly correlated with SOC, whereas fungal Shannon index was remarkably associated with soil temperature. Microbial activity, beta diversities and community composition varied with elevation, but none of them showed a consistent trend. Monte Carlo test revealed that soil moisture followed by temperature, and pH, were the primary drivers of bacterial community composition. Soil fungal community composition significantly depended on soil moisture. Overall, our study suggested bacterial diversity and composition were determined by climatic (moisture and temperature) and edaphic properties (SOC and pH), while fungal diversity and composition were structured mainly by climatic factors. These findings may contribute to a better understanding of microbial responses along elevational gradients in this semi-arid region.
英文关键词	Bacteria Fungi Composition and diversity Basal respiration Enzyme activity
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000796067700009
WOS关键词	ALTITUDINAL GRADIENT ; COMMUNITY STRUCTURE ; FUNGAL COMMUNITIES ; ENZYME-ACTIVITIES ; FUNCTIONAL DIVERSITY ; JINSHA RIVER ; BACTERIAL ; PATTERNS ; TEMPERATURE ; PLANT
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/393551
推荐引用方式 GB/T 7714	PENG, sI-li,GE, Zhi-wei,LIU, Gang-cai,et al. Environmental drivers of soil microbial activity and diversity along an elevational gradient[J],2022,19(5):1336-1347.
APA	PENG, sI-li,GE, Zhi-wei,LIU, Gang-cai,&MAO, Ling-feng.(2022).Environmental drivers of soil microbial activity and diversity along an elevational gradient.JOURNAL OF MOUNTAIN SCIENCE,19(5),1336-1347.
MLA	PENG, sI-li,et al."Environmental drivers of soil microbial activity and diversity along an elevational gradient".JOURNAL OF MOUNTAIN SCIENCE 19.5(2022):1336-1347.