干旱区生态环境知识资源中心(Arid): The Ecological Relationship of Groundwater-Soil-Vegetation in the Oasis-Desert Transition Zone of the Shiyang River Basin

Arid

DOI	10.3390/w13121642
	The Ecological Relationship of Groundwater-Soil-Vegetation in the Oasis-Desert Transition Zone of the Shiyang River Basin
	Cao, Le; Nie, Zhenlong; Liu, Min; Wang, Lifang; Wang, Jinzhe; Wang, Qian
通讯作者	Cao, L (corresponding author), Chinese Acad Geol Sci, Inst Hydrogeol & Environm Geol, Shijiazhuang 050061, Hebei, Peoples R China. ; Cao, L (corresponding author), China Univ Geosci Beijing, Chinese Acad Geol Sci, Beijing 100083, Peoples R China. ; Cao, L (corresponding author), Minist Nat Resources, Key Lab Groundwater Sci & Engn, Shijiazhuang 050061, Hebei, Peoples R China.
来源期刊	WATER
EISSN	2073-4441
出版年	2021
卷号	13 期号:12
英文摘要	Groundwater is an important ecological water source in arid areas. Groundwater depth (GWD) is an important indicator that affects vegetation growth and soil salinization. Clarifying the coupling relationship between vegetation, groundwater, and soil in arid areas is beneficial to the prevention of environmental problems such as desertification and salinization. Existing studies lack research on the water-soil-vegetation relationship in typical areas, especially in shallow groundwater areas. In this study, the shallow groundwater area in Minqin, northwest China, was taken as study area, and vegetation surveys and soil samples collection were conducted. The relationships between vegetation fractional coverage (VFC) and GWD, soil salinity, soil moisture, and precipitation were comprehensively analyzed. The results showed low soil salinity in the riparian zone and high soil salinity in other shallow-buried areas with salinization problems. Soil salinity was negatively correlated with VFC (R = -0.4). When soil salinity >3 g/kg, VFC was less than 20%. Meanwhile, when GWD >10 m, VFC was usually less than 15%. In the areas with soil salinity <3 g/kg, when GWD was in the range of 4-10 m, VFC was positively correlated with soil moisture content (R = 0.99), and vegetation growth mainly depended on surface soil water, which was significantly affected by precipitation. When GWD was less than 4 m, VFC was negatively correlated with GWD (R = -0.78), and vegetation growth mainly relied on groundwater and soil water. There are obvious ecological differences in the shallow-buried areas in Minqin. Hence, it is reasonable to consider zoning and grading policies for ecological protection.
英文关键词	groundwater depth (GWD) soil salinity soil moisture vegetation fractional coverage (VFC) NDVI ecological relationship Shiyang River Basin
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:000666359300001
WOS关键词	DEPENDENT TERRESTRIAL ECOSYSTEMS ; SPATIAL-TEMPORAL DYNAMICS ; WATER-USE ; HALOXYLON-AMMODENDRON ; INLAND RIVER ; ARID REGION ; DESERTIFICATION ; SALINIZATION ; PRECIPITATION ; CONVEYANCE
WOS类目	Environmental Sciences ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/351968
作者单位	[Cao, Le; Nie, Zhenlong; Liu, Min; Wang, Lifang; Wang, Jinzhe; Wang, Qian] Chinese Acad Geol Sci, Inst Hydrogeol & Environm Geol, Shijiazhuang 050061, Hebei, Peoples R China; [Cao, Le] China Univ Geosci Beijing, Chinese Acad Geol Sci, Beijing 100083, Peoples R China; [Cao, Le] Minist Nat Resources, Key Lab Groundwater Sci & Engn, Shijiazhuang 050061, Hebei, Peoples R China
推荐引用方式 GB/T 7714	Cao, Le,Nie, Zhenlong,Liu, Min,et al. The Ecological Relationship of Groundwater-Soil-Vegetation in the Oasis-Desert Transition Zone of the Shiyang River Basin[J],2021,13(12).
APA	Cao, Le,Nie, Zhenlong,Liu, Min,Wang, Lifang,Wang, Jinzhe,&Wang, Qian.(2021).The Ecological Relationship of Groundwater-Soil-Vegetation in the Oasis-Desert Transition Zone of the Shiyang River Basin.WATER,13(12).
MLA	Cao, Le,et al."The Ecological Relationship of Groundwater-Soil-Vegetation in the Oasis-Desert Transition Zone of the Shiyang River Basin".WATER 13.12(2021).