干旱区生态环境知识资源中心(Arid): Natural and Political Determinants of Ecological Vulnerability in the Qinghai-Tibet Plateau: A Case Study of Shannan, China

Arid

DOI	10.3390/ijgi10050327
	Natural and Political Determinants of Ecological Vulnerability in the Qinghai-Tibet Plateau: A Case Study of Shannan, China
	Jiang, Yunxiao; Li, Rong; Shi, Yu; Guo, Luo
通讯作者	Guo, L (corresponding author), Minzu Univ China, Coll Life & Environm Sci, Beijing 100081, Peoples R China.
来源期刊	ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION
EISSN	2220-9964
出版年	2021
卷号	10 期号:5
英文摘要	Changing land-use patterns in the Qinghai-Tibet Plateau (QTP) due to natural factors and human interference have led to higher ecological vulnerability and even more underlying issues related to time and space in this alpine area. Ecological vulnerability assessment provides not only a solution to surface-feature-related problems but also insight into sustainable eco-environmental planning and resource management as a response to potential climate changes if driving factors are known. In this study, the ecological vulnerability index (EVI) of Shannan City in the core area of the QTP was assessed using a selected set of ecological, social, and economic indicators and spatial principal component analysis (SPCA) to calculate their weights. The data included Landsat images and socio-economic data from 1990 to 2015, at five-year intervals. The results showed that the total EVI remains at a medium vulnerability level, with minor fluctuations over 25 years (peaks in 2000, when there was a sudden increase in slight vulnerability, which switched to extreme vulnerability), and gradually increases from east to west. In addition, spatial analysis showed a distinct positive correlation between the EVI and land-use degree, livestock husbandry output, desertification area, and grassland area. The artificial afforestation program (AAP) has a positive effect by preventing the environment from becoming more vulnerable. The results provide practical information and suggestions for planners to take measures to improve the land-use degree in urban and pastoral areas in the QTP based on spatial-temporal heterogeneity patterns of the EVI of Shannan City.
英文关键词	ecological vulnerability Getis-Ord Gi* Spatial regression models Tupu model Qinghai-Tibet Plateau
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:000654026100001
WOS关键词	ECO-ENVIRONMENTAL VULNERABILITY ; CLIMATE-CHANGE ; SOUTHEAST TIBET ; RIVER-BASIN ; LAND ; MANAGEMENT ; VEGETATION ; RESPONSES ; NDVI
WOS类目	Computer Science, Information Systems ; Geography, Physical ; Remote Sensing
WOS研究方向	Computer Science ; Physical Geography ; Remote Sensing
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/350621
作者单位	[Jiang, Yunxiao; Li, Rong; Shi, Yu; Guo, Luo] Minzu Univ China, Coll Life & Environm Sci, Beijing 100081, Peoples R China; [Jiang, Yunxiao] Natl Univ Singapore, Fac Geog, Singapore 117570, Singapore
推荐引用方式 GB/T 7714	Jiang, Yunxiao,Li, Rong,Shi, Yu,et al. Natural and Political Determinants of Ecological Vulnerability in the Qinghai-Tibet Plateau: A Case Study of Shannan, China[J],2021,10(5).
APA	Jiang, Yunxiao,Li, Rong,Shi, Yu,&Guo, Luo.(2021).Natural and Political Determinants of Ecological Vulnerability in the Qinghai-Tibet Plateau: A Case Study of Shannan, China.ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION,10(5).
MLA	Jiang, Yunxiao,et al."Natural and Political Determinants of Ecological Vulnerability in the Qinghai-Tibet Plateau: A Case Study of Shannan, China".ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION 10.5(2021).