Rapid soil water recovery after conversion of introduced peashrub and alfalfa to natural grassland on northern China's Loess Plateau

doi:10.1139/cjss-2020-0010

	Rapid soil water recovery after conversion of introduced peashrub and alfalfa to natural grassland on northern China's Loess Plateau
	Cao, Ruixue 2,3; Pei, Yanwu 4; Jia, Xiaoxu 1,2,4; Huang, Laiming 1,2,4
刊名	CANADIAN JOURNAL OF SOIL SCIENCE
	2020-09-01
卷号	100 期号:3 页码:302-313
关键词	soil moisture desiccation soil water recovery thinning China's Loess Plateau
ISSN号	0008-4271
DOI	10.1139/cjss-2020-0010
通讯作者	Huang, Laiming(huanglm@igsnrr.ac.cn)
英文摘要	To evaluate the potential of soil water recovery after thinning, in situ soil water content in the 0-500 cm soil profile under thinned (50%-100%) and unthinned peashrub and alfalfa plots and a nearby natural grassland in the Liudaogou watershed in China's Loess Plateau (CLP) was measured monthly during 2015-2017 growing season using a neutron probe. At the start of experiment, the profile soil water storage (SWS0-500 cm) under introduced peashrub and alfalfa was, respectively, 18.8% and 12.2% lower than that under natural grassland. This showed that there was higher water consumption by planted vegetation, compared with native grass. After thinning, SWS0-500 cm in thinned peashrub and alfalfa plots was significantly higher than that in unthinned plots due to decrease in both interception and transpiration. The increase in SWS0-500 cm in the 100% thinned peashrub plot (159.9-216.1 mm) was much higher than that in 50% thinned peashrub (39.1-169.8 mm) and 100% thinned alfalfa (20.3-118.1 mm) plots. This indicated that the extent of soil water recovery varied with thinning intensity and vegetation type. At the end of the third growing season, soil water restoration frontier in the thinned peashrub and alfalfa plots (>300 cm) was much greater than that in the unthinned plots (<180 cm). It also indicated that with thinning, soil water (<300 cm) can recover rapidly following two successive wet years. The results suggested that concerns about soil desiccation and the potential impact on long-term sustainability of restored ecosystems on CLP were resolvable.
资助项目	Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0306] ; National Natural Science Foundation of China[41601221] ; Ministry of Science and Technology of China[2016YFC0501605] ; Chinese Academy of Sciences[XDA23070202] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2019052] ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, CAS MWR[A314021402-2010] ; Bingwei Outstanding Young Talent Project from the Institute of Geographical Sciences and Natural Resources Research[2017RC203]
WOS关键词	CARRYING-CAPACITY ; VERTICAL-DISTRIBUTION ; TEMPORAL STABILITY ; OAK FOREST ; VEGETATION ; REVEGETATION ; RESTORATION ; VARIABILITY ; MOISTURE ; BALANCE
WOS研究方向	Agriculture
语种	英语
出版者	CANADIAN SCIENCE PUBLISHING
WOS记录号	WOS:000566331500012
资助机构	Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Natural Science Foundation of China ; Ministry of Science and Technology of China ; Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, CAS MWR ; Bingwei Outstanding Young Talent Project from the Institute of Geographical Sciences and Natural Resources Research
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/157936]
专题	中国科学院地理科学与资源研究所
通讯作者	Huang, Laiming
作者单位	1.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China 3.Beijing Normal Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100875, Peoples R China 4.Northwest Agr & Forestry Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
推荐引用方式 GB/T 7714	Cao, Ruixue,Pei, Yanwu,Jia, Xiaoxu,et al. Rapid soil water recovery after conversion of introduced peashrub and alfalfa to natural grassland on northern China's Loess Plateau[J]. CANADIAN JOURNAL OF SOIL SCIENCE,2020,100(3):302-313.
APA	Cao, Ruixue,Pei, Yanwu,Jia, Xiaoxu,&Huang, Laiming.(2020).Rapid soil water recovery after conversion of introduced peashrub and alfalfa to natural grassland on northern China's Loess Plateau.CANADIAN JOURNAL OF SOIL SCIENCE,100(3),302-313.
MLA	Cao, Ruixue,et al."Rapid soil water recovery after conversion of introduced peashrub and alfalfa to natural grassland on northern China's Loess Plateau".CANADIAN JOURNAL OF SOIL SCIENCE 100.3(2020):302-313.