干旱区生态环境知识资源中心(Arid): Dynamics of Soil Water Content Across Different Landscapes in a Typical Desert-Oasis Ecotone

Arid

DOI	10.3389/fenvs.2020.577406
	Dynamics of Soil Water Content Across Different Landscapes in a Typical Desert-Oasis Ecotone
	Wang, Guohua; Gou, Qianqian; Hao, Yulian; Zhao, Huimin; Zhang, Xiafang
通讯作者	Wang, GH
来源期刊	FRONTIERS IN ENVIRONMENTAL SCIENCE
EISSN	2296-665X
出版年	2020
卷号	8
英文摘要	An understanding of soil water content dynamics is important for vegetation restoration in an arid desert-oasis ecotone under different landscapes. In this study, the dynamics of soil water content under three typical landscapes (i.e., desert, sand-binding shrubland, and farmland shelter woodland) were investigated in the Hexi Corridor, northwest China, during the growing season from 2002 to 2013. The results showed that the soil water content in the deep layers decreased from 20-30% to a stable low level of 3-5% in the desert and shrubland. For the farmland shelter woodland, the soil water content at the deep layers also decreased, but the decrease rate was much smaller than the desert and shrubland. The decrease of soil water content in the deep soil layers among desert-shrubland-woodland was strongly associated with the increase of groundwater depths. The greatest increase of groundwater depths mainly occurred during 2008-2011, while the largest decrease of soil water content took place during the years 2009-2011, with a time-lag in response to increase in groundwater depths. This study provides new insight into the long-term dynamics of soil water content in a typical desert oasis ecotone under different landscape components from the influence of overexploiting groundwater that cannot be inferred from a short-term study. The findings demonstrate that the sharp increase of groundwater depths could be the main reason behind the reduction of soil water content in the clay interlayers, and sustainable development of groundwater resources exploitation is very important for the management of desert-oasis ecotone from a long-term perspective.
英文关键词	desert-oasis ecotone vegetation restoration system soil desiccation clay inter-layers textural profile
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000596847400001
WOS关键词	HEIHE RIVER-BASIN ; SPATIOTEMPORAL VARIABILITY ; LOESS PLATEAU ; LAND-USE ; MOISTURE ; SHRUB ; VEGETATION ; CATCHMENT ; EVOLUTION ; REGION
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/2XILL650/327875
作者单位	[Wang, Guohua; Gou, Qianqian; Hao, Yulian; Zhao, Huimin; Zhang, Xiafang] Shanxi Normal Univ, Coll Geog Sci, Linfen, Shanxi, Peoples R China; [Wang, Guohua] Chinese Acad Sci, Northwest Inst Ecol & Environm Resources, Key Lab Desert & Desertificat, Lanzhou, Peoples R China; [Wang, Guohua] Chinese Acad Sci, Northwest Inst Ecol & Environm Resources, Linze Inland River Basin Comprehens Res Stn, Chinese Ecosyst Res Network,Lab Watershed Hydrol, Lanzhou, Peoples R China
推荐引用方式 GB/T 7714	Wang, Guohua,Gou, Qianqian,Hao, Yulian,et al. Dynamics of Soil Water Content Across Different Landscapes in a Typical Desert-Oasis Ecotone[J],2020,8.
APA	Wang, Guohua,Gou, Qianqian,Hao, Yulian,Zhao, Huimin,&Zhang, Xiafang.(2020).Dynamics of Soil Water Content Across Different Landscapes in a Typical Desert-Oasis Ecotone.FRONTIERS IN ENVIRONMENTAL SCIENCE,8.
MLA	Wang, Guohua,et al."Dynamics of Soil Water Content Across Different Landscapes in a Typical Desert-Oasis Ecotone".FRONTIERS IN ENVIRONMENTAL SCIENCE 8(2020).