喀斯特山区城市生态综合绩效评价

Comprehensive Performance Evaluation of Urban Ecology in Karst Mountainous Areas

近年来,城市的快速扩张对生态环境造成极大的污染和破坏,喀斯特山区生态脆弱,付不起破坏生态环境的代价,城市转型发展势在必行.基于此选择位于黔东腹地的凯里市作为研究区域,运用PSR模型探测喀斯特山区城市的生态综合绩效指数,运用熵值法计算获得相关权重.研究表明:凯里市在2009-2018年的10年间生态综合绩效发展呈波动上升趋势;凯里市属于生态协调型城市,经济与生态协调发展道路卓有成效;与贵州8个县级市进行横向比较发现凯里市发展处于起步阶段,压力、状态、响应指数均小于同等级其他城市,发展空间巨大.本研究为当地的生态城市建设提供一种可更新、可视化的时空量化方法.

In recent years,the rapid expansion of the city has caused great pollution and damage to the ecological environment. The ecological fragility of karst mountainous areas can not afford the destroy of ecological environment. Therefore,the transformation and development of cities must be imperative.Based on this, Kaili,located in the hinterland of eastern Guizhou Province,which is selected as the representative to explore the ecological comprehensive performance index of karst mountain cities by using the PSR model,and the relevant weights are calculated by entropy method. The results show that:(1)The development of comprehensive ecological performance of Kaili in recent ten years shows a fluctuating upward trend;(2)Kaili belongs to an ecological coordinated City,and the coordinated development of economic and ecological has acquired favorable effect.(3)Compared with the other eight county-level cities in Guizhou,Kaili is in the initial stage of development,and its pressure,status and response index are less than those of the same level,so there is a huge space for development. The purpose of this study is to provide a new and visualized quantitative method for local eco city construction.