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Quantification of the ecosystem carrying capacity on China's Loess Plateau
Liang, Wei1,2,3; Fu, Bojie3; Wang, Shuai4; Zhang, Weibin1; Jin, Zhao5; Feng, Xiaoming3; Yan, Jianwu1,2; Liu, Yu6; Zhou, Sha7
2019-06-01
Source PublicationECOLOGICAL INDICATORS
ISSN1470-160X
Volume101Pages:192-202
Corresponding AuthorFu, Bojie(bfu@rcees.ac.cn)
AbstractRevegetation, 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.
KeywordRevegetation Climate change Socio-economic systems Ecosystem carrying capacity Sustainable water resources Loess Plateau
DOI10.1016/j.ecolind.2019.01.020
WOS KeywordWATER-USE EFFICIENCY ; VEGETATION CHANGES ; PLANT COVERAGE ; RE-VEGETATION ; SOIL-EROSION ; RIVER-BASIN ; IMPACT ; MODEL ; DROUGHT ; AFFORESTATION
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41390464] ; National Natural Science Foundation of China[41771118] ; Key Research and Development Program of China[2016YFC0501601] ; Natural Science Foundation of Shaanxi Province of China[2017JM4011] ; Fundamental Research Funds for the Central Universities[GK201802004]
Funding OrganizationNational Natural Science Foundation of China ; Key Research and Development Program of China ; Natural Science Foundation of Shaanxi Province of China ; Fundamental Research Funds for the Central Universities
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Environmental Sciences
WOS IDWOS:000470963300021
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/59032
Collection中国科学院地理科学与资源研究所
Corresponding AuthorFu, Bojie
Affiliation1.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
Recommended Citation
GB/T 7714
Liang, Wei,Fu, Bojie,Wang, Shuai,et al. Quantification of the ecosystem carrying capacity on China's Loess Plateau[J]. ECOLOGICAL INDICATORS,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.
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