Evaluation and strategy of urban ecological security ——A case of Zhengzhou city
AN Shiwei
WAN Sanmin
KOU Dongxue
Abstract：Through the extraction and processing of ecological security index in Zhengzhou city from 2006 to 2015,the ecological security evaluation system of city is established. The weight of each index is calculated by principal component analysis. Empirical study of the urban ecological security in Zhengzhou city is done. The results show that ecological security in Zhengzhou city show good trend in recent ten years,Further more,the main factors affecting the ecological safety of Zhengzhou city are found,which are including industrial waste gas emission,energy consumption per unit GDP,water consumption per unit GDP,number of health institutions of ten thousand of people,and number of college students of ten thousand of people. Five countermeasures for eco-logical security in Zhengzhou city are put forward:Intensify environmental protection and strengthen the emis-sions control;Strict implementation of "air pollution prevention and control plan of Zhengzhou city( from 2014 to 2018 )";Preventing the decline of per capita resources in the process of urbanization;Promoting green con-sumption and developing circular economy;Increasing investment in science and education and strengthening the construction of ecological civilization.
Keywords：Zhengzhou cityecological security assessmentecological civilization
Publication Date：2017-11-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 75-80 )