In order to objectively analyze the ecological security situation of the Changsha-Zhuzhou-Xiangtan urban agglomeration at county level,combining with their regional characteristics,this article constructs their evaluation index system of ecological security at county level from the aspects of regional industrial development,water resources situation and ecological benefits and determines the weight value of each evaluation index using subjective and objective weight methods.Based on the revised DPSIR model,it quantitatively evaluates their ecological security and makes trend prediction.The res...
