干旱区生态环境知识资源中心(Arid): Quantification of the ecosystem carrying capacity on China's Loess Plateau

Arid

DOI	10.1016/j.ecolind.2019.01.020
	Quantification of the ecosystem carrying capacity on China's Loess Plateau
	Liang, Wei 1,2,3; Fu, Bojie 3; Wang, Shuai 4; Zhang, Weibin 1; Jin, Zhao 5; Feng, Xiaoming 3; Yan, Jianwu 1,2; Liu, Yu 6; Zhou, Sha 7
通讯作者	Fu, Bojie
来源期刊	ECOLOGICAL INDICATORS
ISSN	1470-160X
EISSN	1872-7034
出版年	2019
卷号	101 页码:192-202
英文摘要	Revegetation, especially afforestation, has served as an important tool for controlling desertification. However, revegetation in water-limited regions will inevitably reduce the water available for socio-economic systems, which is poorly considered in decision-making on sustainable ecosystem management. This paper proposed a framework to determine the threshold of vegetation productivity (i.e., ecosystem carrying capacity), corresponding to available water resources for ecosystems (i.e., annual precipitation minus water demand for socioeconomic systems) on the Loess Plateau. The average annual ecosystem carrying capacity (ECC) during 1982-2012 is 577 +/- 124 g Cm-2 yr(-1), with spatial gradients increasing from northwest to southeast. Vegetation in rocky mountain areas has the largest value of 833 +/- 200 g Cm-2 yr(-1). Factorial analysis suggests that changes in precipitation and human water use contributed to 55% and 45% of the multi-decadal changes in regional ECC, respectively. Meanwhile, due to revegetation, 26 counties on the Loess Plateau, mainly in the southeast and eastern parts, have exceeded the ECC threshold during the study period. An additional 138 counties have a high potential for water competition between the ecosystems and socio-economic systems. At the regional scale, there are 9 years (similar to 30% of the study period) during which the ECC threshold has been exceeded, especially after 1997. Considering the climate change in the future and the growing demand for water in socioeconomic systems, the corresponding ECC threshold will increase by 6-36%. We believe that these findings can provide reference for policy-makers to make decisions towards ecosystem sustainability while meeting human needs for water resources.
英文关键词	Revegetation Climate change Socio-economic systems Ecosystem carrying capacity Sustainable water resources Loess Plateau
类型	Article
语种	英语
国家	Peoples R China ; USA
收录类别	SCI-E
WOS记录号	WOS:000470963300021
WOS关键词	WATER-USE EFFICIENCY ; VEGETATION CHANGES ; RIVER-BASIN ; PLANT COVERAGE ; RE-VEGETATION ; SOIL-EROSION ; IMPACT ; MODEL ; DROUGHT ; CLIMATE
WOS类目	Biodiversity Conservation ; Environmental Sciences
WOS研究方向	Biodiversity & Conservation ; Environmental Sciences & Ecology
来源机构	中国科学院地理科学与资源研究所 ; 北京师范大学 ; 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/2XILL650/215203
作者单位	1.Shaanxi Normal Univ, Sch Geog & Tourism, Xian 710119, Shaanxi, Peoples R China; 2.Shaanxi Normal Univ, Natl Demonstrat Ctr Expt Geog Educ, Xian 710119, Shaanxi, Peoples R China; 3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China; 4.Beijing Normal Univ, Fac Geog Sci, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China; 5.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China; 6.Chinese Acad Sci, Key Lab Ecosyst Network Observat & Modeling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China; 7.Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA
推荐引用方式 GB/T 7714	Liang, Wei,Fu, Bojie,Wang, Shuai,et al. Quantification of the ecosystem carrying capacity on China's Loess Plateau[J]. 中国科学院地理科学与资源研究所, 北京师范大学, 西北农林科技大学,2019,101:192-202.
APA	Liang, Wei.,Fu, Bojie.,Wang, Shuai.,Zhang, Weibin.,Jin, Zhao.,...&Zhou, Sha.(2019).Quantification of the ecosystem carrying capacity on China's Loess Plateau.ECOLOGICAL INDICATORS,101,192-202.
MLA	Liang, Wei,et al."Quantification of the ecosystem carrying capacity on China's Loess Plateau".ECOLOGICAL INDICATORS 101(2019):192-202.