干旱区生态环境知识资源中心(Arid): Soil Microbial Community and Its Interaction with Soil Carbon Dynamics Following a Wetland Drying Process in Mu Us Sandy Land

Arid

DOI	10.3390/ijerph17124199
	Soil Microbial Community and Its Interaction with Soil Carbon Dynamics Following a Wetland Drying Process in Mu Us Sandy Land
	He, Huan 1; Liu, Yixuan 2; Hu, Yue 2; Zhang, Mengqi 2; Wang, Guodong 1; Shen, Weibo 2
通讯作者	Wang, Guodong ; Shen, Weibo
来源期刊	INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
EISSN	1660-4601
出版年	2020
卷号	17 期号:12
英文摘要	Increasing drought globally is a severe threat to fragile desert wetland ecosystem. It is of significance to study the effects of wetland drying on microbial regulation of soil carbon (C) in the desert. In this study, we examined the impacts of wetland drying on microbial biomass, microbial community (bacteria, fungi) and microbial activity [basal microbial respiration, microbial metabolic quotient (qCO(2))]. Relationships of microbial properties with biotic factors [litter, soil organic carbon (SOC), total nitrogen (TN), total phosphorus (TP)], abiotic factors (soil moisture, pH and clay content) and biological processes (basal microbial respiration, qCO(2)) were also developed. Results showed that the drying of wetland led to a decrease of soil microbial biomass carbon (MBC) content, microbial biomass nitrogen (MBN) content and fungi and bacterial abundance, and an increase of the fungi:bacteria ratio. Wetland drying also led to increased soil basal respiration and increased qCO(2), which was attributed to lower soil clay content and litter N concentration. The MBC:SOC ratios were higher under drier soil conditions than under virgin wetland, which was attributed to stronger C conserve ability of fungi than bacteria. The wetland drying process exacerbated soil C loss by strengthening heterotrophic respiration; however, the exact effects of soil microbial community structure on microbial C mineralization were not clear in this study and need further research.
英文关键词	wetland drying soil microbial biomass microbial community structure carbon mineralization soil-microbial interaction
类型	Article
语种	英语
国家	Peoples R China
开放获取类型	Green Published, gold
收录类别	SCI-E ; SSCI
WOS记录号	WOS:000549293600001
WOS关键词	EXTRACTION METHOD ; ORGANIC-CARBON ; STOICHIOMETRIC CONTROLS ; USE EFFICIENCY ; RESPIRATION ; NITROGEN ; BIOMASS ; BACTERIAL ; DESERT ; RESPONSES
WOS类目	Environmental Sciences ; Public, Environmental & Occupational Health
WOS研究方向	Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
来源机构	西北农林科技大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/319602
作者单位	1.Northwest Agr & Forestry Univ, Coll Sci, Yangling 712100, Shaanxi, Peoples R China; 2.Northwest Agr & Forestry Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China
推荐引用方式 GB/T 7714	He, Huan,Liu, Yixuan,Hu, Yue,et al. Soil Microbial Community and Its Interaction with Soil Carbon Dynamics Following a Wetland Drying Process in Mu Us Sandy Land[J]. 西北农林科技大学,2020,17(12).
APA	He, Huan,Liu, Yixuan,Hu, Yue,Zhang, Mengqi,Wang, Guodong,&Shen, Weibo.(2020).Soil Microbial Community and Its Interaction with Soil Carbon Dynamics Following a Wetland Drying Process in Mu Us Sandy Land.INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH,17(12).
MLA	He, Huan,et al."Soil Microbial Community and Its Interaction with Soil Carbon Dynamics Following a Wetland Drying Process in Mu Us Sandy Land".INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 17.12(2020).