Ecological resilience assessment of an arid coal mining area using index of entropy and linear weighted analysis: A case study of Shendong Coalfield, China

被引:123
作者
Xiao, Wu [1 ,2 ,3 ]
Lv, Xuejiao [2 ,3 ]
Zhao, Yanling [2 ,3 ]
Sun, Haoxuan [2 ,3 ]
Li, Jiaqi [2 ,3 ]
机构
[1] Zhejiang Univ, Dept Land Management, Hangzhou 310058, Zhejiang, Peoples R China
[2] China Univ Min & Technol, Inst Land Reclamat & Ecol Restorat, Beijing 100083, Peoples R China
[3] State Key Lab Water Resources Protect & Utilizat, Beijing 100083, Peoples R China
关键词
Ecological resilience; High intensity; Drought-semi-arid; Overground-underground model; Shendong mining; LAND-USE; SOCIOECOLOGICAL SYSTEMS; SURFACE-WATER; VULNERABILITY; FOREST; REHABILITATION; CLASSIFICATION; ENVIRONMENT; PATTERNS; COVER;
D O I
10.1016/j.ecolind.2019.105843
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
摘要
The exploitation of coal resources will bring about a series of environmental problems, which will not only affect the surface ecological environment of the region, seriously threatening underground resources, but will also affect the normal production and living activities of human beings. The impacted ecological system is combined by both overground and underground features. In this paper, Shendong coal field, one of the high-strength coal mining areas in western China is used as a research area. An O-U (Overground-Underground) analysis framework and model was established to quantitatively assess the degree of mining impact on the eco-system and its resilience. The entropy method is used to calculate the weight of each index, and the comprehensive value of each grid is calculated by the linear weighted method. The comprehensive value of each grid's indicators is divided into four ecological resilience (ER) partitions by natural breakpoint method. Finally, Pearson coefficients is used to analyze the main influencing factors of the four sub-areas, and reasonable suggestions are given. By zoning the ER of the study area, it can provide reference for the mining method selection and land reclamation measures, and also provide direction for the ecological environment management in other similar areas.
引用
收藏
页数:15
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