气候变化领域集成服务门户(CCPortal): Tempo-spatial changes of ecological vulnerability in the arid area based on ordered weighted average model

CCPortal

DOI	10.1016/j.ecolind.2021.108398
	Tempo-spatial changes of ecological vulnerability in the arid area based on ordered weighted average model
	Cai, Xingran; Li, Zhongqin; Liang, Yanqing
通讯作者	Li, ZQ (通讯作者)，Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China.
发表日期	2021
ISSN	1470-160X
EISSN	1872-7034
卷号	133
英文摘要	Ecological environment in the arid areas of Northwest China is very vulnerable. Ecological vulnerability is considered to be one of the important indicators to measure the status and evolutions of the regional ecological environment and has become a key measure in the study of ecological change. However, studies on the ecological vulnerability in the whole arid areas of Northwest China on the county scale are currently sparse. Here, according to vegetation, land use type, topography, climate and socio-economic data, we present the spatial and temporal evolution of ecological vulnerability in the arid areas of Northwest China over the period 2000-2018 by structuring a pressure (P)-sensitivity (S)-restoration (R) ecological vulnerability evaluation index system and using an ordered weighted average (OWA) model. Our results suggested that the overall ecological vulnerability in the arid areas of Northwest China was dominated by the severe level from 2000 to 2018 with an average multiyear ecological vulnerability index of 0.48, which appeared a slight downward trend with the implementation of ecological restoration measures. Ecological vulnerability exhibited a significant stepped differentiation feature, and the eastern and western regions were markedly lower than that of the central region. Gravity center of the ecological vulnerability index has a significant spatial difference, which developed in the shape of Z direction between Heshuo county and Tuokexun county. Our study revealed the dynamic changes of ecological vulnerability at the county scale and provided decision-making information for the formulation of targeted ecological vulnerability management measures. Under the background of climate change and the new normal of social economy, the dynamic monitoring of ecological vulnerability and effective identification of vulnerability factors still require in-depth research.
关键词	CLIMATE-CHANGE RIVER-BASIN ENVIRONMENTAL VULNERABILITY MANAGEMENT CONSERVATION PROVISION SYSTEM
英文关键词	Ecological vulnerability; Ordered weighted average (OWA); Spatiotemporal pattern; The arid areas of Northwest China
语种	英语
WOS研究方向	Biodiversity & Conservation ; Environmental Sciences & Ecology
WOS类目	Biodiversity Conservation ; Environmental Sciences
WOS记录号	WOS:000721613100005
来源期刊	ECOLOGICAL INDICATORS
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/254088
作者单位	[Cai, Xingran; Li, Zhongqin] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China; [Cai, Xingran] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Liang, Yanqing] Hebei Normal Univ, Sch Geog Sci, Shijiazhuang 050024, Hebei, Peoples R China; [Liang, Yanqing] Hebei Technol Innovat Ctr Remote Sensing Identifi, Sch Geog Sci, Shijiazhuang 050024, Hebei, Peoples R China
推荐引用方式 GB/T 7714	Cai, Xingran,Li, Zhongqin,Liang, Yanqing. Tempo-spatial changes of ecological vulnerability in the arid area based on ordered weighted average model[J]. 中国科学院西北生态环境资源研究院,2021,133.
APA	Cai, Xingran,Li, Zhongqin,&Liang, Yanqing.(2021).Tempo-spatial changes of ecological vulnerability in the arid area based on ordered weighted average model.ECOLOGICAL INDICATORS,133.
MLA	Cai, Xingran,et al."Tempo-spatial changes of ecological vulnerability in the arid area based on ordered weighted average model".ECOLOGICAL INDICATORS 133(2021).