干旱区生态环境知识资源中心(Arid): Satellite-observed vegetation stability in response to changes in climate and total water storage in Central Asia

Arid

DOI	10.1016/j.scitotenv.2018.12.418
	Satellite-observed vegetation stability in response to changes in climate and total water storage in Central Asia
	Bai, Jie 1; Shi, Hao 2; Yu, Qiang 2,3,4; Xie, Zunyi 5; Li, Longhui 6; Luo, Geping1 ; Jin, Ning 2; Li, Jun 7
通讯作者	Shi, Hao
来源期刊	SCIENCE OF THE TOTAL ENVIRONMENT
ISSN	0048-9697
EISSN	1879-1026
出版年	2019
卷号	659 页码:862-871
英文摘要	Ecosystems in arid and semi-arid regions are vulnerable to climatic and anthropogenic disturbances. However, our understanding of vegetation stability (including resistance and resilience, which are the abilities of ecosystems to resist perturbations and return to pre-disturbance structure or function, respectively) in response to environmental changes in dryland ecosystems remains insufficient, particularly in the absence of large-scale observations of water availability. Here we introduced GRACE monthly total water storage anomaly (TWSA) data into an autoregressive model with remote sensed EVI, air temperature and precipitation to investigate the short-term vegetation stability and its influencing factors in Central Asia (CA) during 2003-2015. The results showed that the grid-level vegetation resilience in CA increased logarithmically as mean annual precipitation (R-2= 0.33, P < 0.05) but decreased linearly with increasing mean annual temperature (R-2= 0.41, P < 0.05). Vegetation resilience was not correlated with TWSA, due to the decoupling of TWSA with precipitation both spatially and temporally in the majority of CA. At the biome level, vegetation resilience also increased as a logarithmical function of aridity index (R-2 = 0.80, P < 0.05). Vegetation resistance to TWSA showed minor difference across biomes, while vegetation resistance to precipitation functioned as a parabolic curve along the aridity gradient (R-2= 0.59, P < 0.05). Our results suggest that accounting for the effects of total water column instead of precipitation only is critical in understanding vegetation-water relationships in drylands. The steep decrease in vegetation resilience in areas with high temperature and low water availability implies a high risk of collapse for these water-limited ecosystems if there are severe droughts. Furthermore, reduction in total water storage, induced by, e.g., large-scale extraction of surface runoff or shallow-layer groundwater for irrigation, can result in negative influences to natural biomes in dryland regions. (c) 2018 Elsevier B.V. All rights reserved.
英文关键词	Drylands Resilience Resistance Remote sensing Total water storage Central Asia
类型	Article
语种	英语
国家	Peoples R China ; Australia
开放获取类型	Green Accepted
收录类别	SCI-E
WOS记录号	WOS:000457293700085
WOS关键词	ECOSYSTEM STABILITY ; POTENTIAL IMPACTS ; FUNCTIONAL TYPES ; USE EFFICIENCY ; DESERT SHRUBS ; RESILIENCE ; DROUGHT ; PRECIPITATION ; DYNAMICS ; RUNOFF
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
来源机构	中国科学院新疆生态与地理研究所 ; 中国科学院地理科学与资源研究所 ; 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/2XILL650/218656
作者单位	1.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China; 2.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China; 3.Univ Technol Sydney, Sch Life Sci, Sydney, NSW 2000, Australia; 4.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China; 5.Univ Queensland, Sch Earth & Environm Sci, Ctr Biodivers & Conservat Sci, St Lucia, Qld 4072, Australia; 6.Nanjing Normal Univ, Minist Educ, Key Lab Virtual Geog Environm, Nanjing 210023, Jiangsu, Peoples R China; 7.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Bai, Jie,Shi, Hao,Yu, Qiang,et al. Satellite-observed vegetation stability in response to changes in climate and total water storage in Central Asia[J]. 中国科学院新疆生态与地理研究所, 中国科学院地理科学与资源研究所, 西北农林科技大学,2019,659:862-871.
APA	Bai, Jie.,Shi, Hao.,Yu, Qiang.,Xie, Zunyi.,Li, Longhui.,...&Li, Jun.(2019).Satellite-observed vegetation stability in response to changes in climate and total water storage in Central Asia.SCIENCE OF THE TOTAL ENVIRONMENT,659,862-871.
MLA	Bai, Jie,et al."Satellite-observed vegetation stability in response to changes in climate and total water storage in Central Asia".SCIENCE OF THE TOTAL ENVIRONMENT 659(2019):862-871.