Changes in the integrated functional stability of microbial community under chemical stresses and the impacting factors in field soils

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 城市与区域生态国家重点实验室

	Changes in the integrated functional stability of microbial community under chemical stresses and the impacting factors in field soils
	Jiang, Rong; Wang, Meie; Chen, Weiping; Li, Xuzhi; Balseiro-Romero, Maria
刊名	ECOLOGICAL INDICATORS
	2020-03
卷号	110 页码:1-12
关键词	Chemical stress Soil microbial community composition Soil microbial community function Stability Biodiversity
ISSN号	1470-160X
英文摘要	The functional stability (FS) of soil microbial communities contributes in a fundamental way to maintaining soil ecosystem functioning and services, when environmental disturbances, e.g. contamination arise. While, the mechanisms enabling soil microbial communities to remain stable under stresses are not clear. Thus, this work aims at investigating changes in integrated microbial FS under long-term stress of heavy metals (FSHM) and subsequent herbicide siduron (FSsid). A second objective is to determine which factors affect the FS of microbial communities. The results show that the overall function, alpha diversity, and composition of microbial communities are affected significantly by the presence of heavy metals and herbicide siduron. The loss of biodiversity induced by heavy metal does not appear to impair the functions of microbial communities or their functional stability in response to the additional stress of siduron. Whereas, the change of microbial community composition, e.g., the decrease of the gram positive/gram negative ratio triggered by the adaption and tolerance process to the pre-disturbance of heavy metals, is the central factor governing FS. Soil organic matter content, the concentration of heavy metals and the C/N value are the dominant abiotic factors affecting FS through direct effect on microbial activities involved in functional processes and indirect effect on microbial community composition. Our study highlights that the structural composition of soil microbial community is more important than the diversity of microbial species to explain the functional stability of microbial communities under chemical stresses, and that a number of soil properties and the disturbance history also play a decisive role. Thus, the functional stability of soil microbial community can be used as a feasible and pragmatic indicator to assess the overarching responses to environmental stresses at ecological system level.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/44234]
专题	生态环境研究中心_城市与区域生态国家重点实验室
推荐引用方式 GB/T 7714	Jiang, Rong,Wang, Meie,Chen, Weiping,et al. Changes in the integrated functional stability of microbial community under chemical stresses and the impacting factors in field soils[J]. ECOLOGICAL INDICATORS,2020,110:1-12.
APA	Jiang, Rong,Wang, Meie,Chen, Weiping,Li, Xuzhi,&Balseiro-Romero, Maria.(2020).Changes in the integrated functional stability of microbial community under chemical stresses and the impacting factors in field soils.ECOLOGICAL INDICATORS,110,1-12.
MLA	Jiang, Rong,et al."Changes in the integrated functional stability of microbial community under chemical stresses and the impacting factors in field soils".ECOLOGICAL INDICATORS 110(2020):1-12.