干旱区生态环境知识资源中心(Arid): Analysis of Vegetation Vulnerability Dynamics and Driving Forces to Multiple Drought Stresses in a Changing Environment

Arid

DOI	10.3390/rs14174231
	Analysis of Vegetation Vulnerability Dynamics and Driving Forces to Multiple Drought Stresses in a Changing Environment
	Wei, Xiaoting; Huang, Shengzhi; Huang, Qiang; Liu, Dong; Leng, Guoyong; Yang, Haibo; Duan, Weili; Li, Jianfeng; Bai, Qingjun; Peng, Jian
通讯作者	Huang, SZ
来源期刊	REMOTE SENSING
EISSN	2072-4292
出版年	2022
卷号	14 期号:17
英文摘要	Quantifying changes in the vulnerability of vegetation to various drought stresses in different seasons is important for rational and effective ecological conservation and restoration. However, the vulnerability of vegetation and its dynamics in a changing environment are still unknown, and quantitative attribution analysis of vulnerability changes has been rarely studied. To this end, this study explored the changes of vegetation vulnerability characteristics under various drought stresses in Xinjiang and conducted quantitative attribution analysis using the random forest method. In addition, the effects of ecological water transport and increased irrigation areas on vegetation vulnerability dynamics were examined. The standardized precipitation index (SPI), standardized precipitation-evapotranspiration index (SPEI), and standardized soil moisture index (SSMI) represent atmospheric water supply stress, water and heat supply stress, and soil water supply stress, respectively. The results showed that: (1) different vegetation types responded differently to water stress, with grasslands being more sensitive than forests and croplands in summer; (2) increased vegetation vulnerability under drought stresses dominated in Xinjiang after 2003, with vegetation growth and near-surface temperature being the main drivers, while increased soil moisture in the root zone was the main driver of decreased vegetation vulnerability; (3) vulnerability of cropland to SPI/SPEI/SSMI-related water stress increased due to the rapid expansion of irrigation areas, which led to increasing water demand in autumn that was difficult to meet; and (4) after ecological water transport of the Tarim River Basin, the vulnerability of its downstream vegetation to drought was reduced.
英文关键词	vegetation vulnerability drought stress seasonal scale ecological water transport random forest method
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:000851802900001
WOS关键词	ARID REGION ; CENTRAL-ASIA ; RIVER-BASIN ; TARIM RIVER ; TRENDS ; XINJIANG ; IMPACTS ; GROWTH ; VARIABILITY ; CHINA
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/394196
推荐引用方式 GB/T 7714	Wei, Xiaoting,Huang, Shengzhi,Huang, Qiang,et al. Analysis of Vegetation Vulnerability Dynamics and Driving Forces to Multiple Drought Stresses in a Changing Environment[J],2022,14(17).
APA	Wei, Xiaoting.,Huang, Shengzhi.,Huang, Qiang.,Liu, Dong.,Leng, Guoyong.,...&Peng, Jian.(2022).Analysis of Vegetation Vulnerability Dynamics and Driving Forces to Multiple Drought Stresses in a Changing Environment.REMOTE SENSING,14(17).
MLA	Wei, Xiaoting,et al."Analysis of Vegetation Vulnerability Dynamics and Driving Forces to Multiple Drought Stresses in a Changing Environment".REMOTE SENSING 14.17(2022).