Health Assessment of Countywide Ecosystem in the Three GorgesEco-economic Region in Chongqing

QIN Qu; ZHANG Mei-zhu; YANG Qin; ZHANG Xu-qing

doi:10.3969/j.issn.1001-5485.2013.12.003

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Journal of Changjiang River Scientific Research Institute ›› 2013, Vol. 30 ›› Issue (12) : 14-19. DOI: 10.3969/j.issn.1001-5485.2013.12.003

WATER SOIL CONSERVATION AND ECOCONSTRUCTION

Health Assessment of Countywide Ecosystem in the Three GorgesEco-economic Region in Chongqing

QIN Qu^1,2,ZHANG Mei-zhu¹,YANG Qin¹,ZHANG Xu-qing³

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Abstract

The index system for urban ecosystem health assessment was established in terms of natural ecosystem,social ecosystem and economic ecosystem on the basis of the conception and connotation of urban ecosystem health. Analytic Hierarchy Process (AHP) and Fuzzy Mathematics were applied to establish the assessment model. Nineteen districts and counties in the Three-Gorges Eco-economic Region in Chongqing were taken as a case study. Results reveal that the ecosystems in Fengjie,Wushan,Wuxi,and Chengkou were assessed to be unhealthy. The ecosystems in Wanzhou,Zhongxian,Fengdu,Wulong,Shizhu,Dianjiang,Liangping,Kaixian,and Yunyan were sub-healthy,and those in Xiushan,Youyang,Qianjiang,and Pengshui belong to healthy grade. The countywide ecosystem health in the region was obtained,which provides scientific basis for its sustainable development.

Key words

countywide ecosystem health / assessment index / assessment model / Three Gorges Reservoir area / eco-economic region

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QIN Qu,ZHANG Mei-zhu,YANG Qin,ZHANG Xu-qing. Health Assessment of Countywide Ecosystem in the Three GorgesEco-economic Region in Chongqing[J]. Journal of Changjiang River Scientific Research Institute. 2013, 30(12): 14-19 https://doi.org/10.3969/j.issn.1001-5485.2013.12.003

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