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The Evaluation Of Ecological Security Status In West Liao River Basin

Posted on:2012-11-23Degree:MasterType:Thesis
Country:ChinaCandidate:H J GaoFull Text:PDF
GTID:2211330335976119Subject:Physical geography
Abstract/Summary:PDF Full Text Request
As the population continuous to grow with the society economy rapid development, human pressure on ecological environment is increasing. In China, the ecological threat from environmental damage and resource excessive consumption had attracted great attention. Ecological security is vital for economy development in the state, society even in any specific area.Firstly, The article search and analysis the literature about the ecological security theory. Secondly, we will analysis and summarize the current research status in china and abroad, and then, from the actual status of ecological system, 23 evaluation indexes of ecological security in West Liao River basin were established according ecological security base requirements, source and optional principle of standard value. Based on the frame model of "pressure-state-response", the ecological security evaluation in West Liao River Basin was established. The article adopt AHP to create weights of indexes, Selecting 14 areas of West Liao Rive Basin as projects, we calculate the evaluating index of everyone,and then we analysis the ecological security statue of these areas accordingly. Result: the comprehensive indexes of Chifeng city anc Aohan Qi are high in 14 cities of West Liao River Basin, ecological security is excellent status; Ningcheng, Jianping, Linxi and Balin 4 cities are alert status, and Keerqinzuoyi Houqi, Kulun Qi, Naiman Qi, Wengqiute Qi, Alukeerqin Qi,Kailu county,Tongliao city and Shuangliao county 8 areas are bad status.In the end, the article offer specific measures about ecological security in this basinsome measures,such as vigorously implementing ecological recovery and construction, reasonably developing area resource, creating area ecological security warning system and improving law system of ecological environmental protection,will offer the corresponding solutions to sustainable development in West Liao River Basin.The article will evaluate the ecological security in West Liao river basin, which will be helpful to resource sustainable development, protect reproduce capacity and improve the ecological security.
Keywords/Search Tags:West Liao River Basin, ecological security, evaluation
PDF Full Text Request
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