气候变化领域集成服务门户(CCPortal): Dynamic assessment and early warning of ecological security: a case study of the Yangtze river urban agglomeration

CCPortal

DOI	10.1007/s11069-020-04436-4
	Dynamic assessment and early warning of ecological security: a case study of the Yangtze river urban agglomeration
	Huang Q.; Peng B.; Wei G.; Wan A.
发表日期	2021
ISSN	0921030X
起始页码	2441
结束页码	2461
卷号	107 期号:3
英文摘要	Ecological security is vital to the survival of human beings and critical to the sustainable development of socioeconomic environment. In view of the deficiencies of the static assessment of ecological security, in this paper ,a dynamical evaluation on the ecological security of urban agglomerations is conducted by utilizing an index system developed from the Driving Force-Pressure-State-Response model. Further, an empirical study is carried out for the Yangtze River Urban Agglomeration to explore the ecological security alarms and change rules: Incorporating the statistical data from 2005 to 2017 into the investigation, the combined weight method is applied to calculate the weight of ecological safety over ecological security contribution, and the Moran's I index is implemented to analyze the changes in the spatial pattern. The results show that (1) The ecological security index of the Yangtze River Urban Agglomeration exhibits a smaller fluctuation primarily caused by the transformation of economic development mode, and the overall ecological security has been improved since 2005 from less safe to security level in general. (2) Spatial differences exist between North and South as well as between urban agglomerations, and the overall ecological security is improved due to ecological protection measures and industrial structure adjustment, and (3) The levels of early warning for these cities in the Yangtze River Urban Agglomeration differ, Varying between medium level and severe level. Furthermore, It is also found that human activities greatly impact the ecological security, and the intensity of land development is the greatest threat. © 2020, Springer Nature B.V.
关键词	Driving force-pressure-state-response (DPSR) model Dynamic evaluation Early warning analysis Ecological security evaluation
语种	英语
来源期刊	Natural Hazards
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/206284
作者单位	School of Management Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210044, China; Binjiang College, Nanjing University of Information Science and Technology, Wuxi, Jiangsu 214105, China; Department of Mathematics and Computer Science, University of North Carolina At Pembroke, Pembroke, NC 28372, United States
推荐引用方式 GB/T 7714	Huang Q.,Peng B.,Wei G.,et al. Dynamic assessment and early warning of ecological security: a case study of the Yangtze river urban agglomeration[J],2021,107(3).
APA	Huang Q.,Peng B.,Wei G.,&Wan A..(2021).Dynamic assessment and early warning of ecological security: a case study of the Yangtze river urban agglomeration.Natural Hazards,107(3).
MLA	Huang Q.,et al."Dynamic assessment and early warning of ecological security: a case study of the Yangtze river urban agglomeration".Natural Hazards 107.3(2021).