YI Wu-ying,SU Wei-ci.Dynamic Evaluation of Ecological Security of Chongqing City Based on Attribute Distinction Theory[J].Research of Soil and Water Conservation,2013,20(02):207-212.
基于属性识别模型的重庆市生态安全动态评价
- Title:
- Dynamic Evaluation of Ecological Security of Chongqing City Based on Attribute Distinction Theory
- 分类号:
- F301
- 摘要:
- 根据“压力—状态—响应”模型构建生态安全评价指标体系，采用熵权法与属性识别耦合模型对重庆市九大主城区生态安全状况进行综合评价。评价结果表明：2006—2010年，重庆九大区中沙坪坝区、渝北区及巴南区生态安全状况略有所改善，具有较好的发展趋势，生态安全得分有所增加；但渝中区、江北区及九龙坡区生态安全状况有所下降，由较安全等级向不安全等级转变，生态安全得分下降；大渡口区、南岸区和北碚区生态安全处于波动状况，发展趋势不确定性较大。与其他模型相比，属性识别模型计算过程简单，评价结果精度较高，能进行有效识别和比较分析，为生态安全评价提供一种新的思路。
- Abstract:
- The evaluation system of ecological security of Chongqing City was built according to the model of Pressure-State-Response, and the model of coupling of the entropy weight and attribute distinction theory was applied to comprehensively assess the nine districts of Chongqing City. The evaluation showed that the ecological security of Shapingba, Yubei District and Banan District in Chongqing had shown some improvement, evolving from low ecological security grade to the high grade, and the score of ecological security presented an increase trend. But the ecological security change trend and score of Yuzhong, Jiangbei and Jiulongpo Districts showed an opposite situation. The ecological security situation of Dadoukou, Nanyan and Beibei Districts fluctuated, and the development trend was uncertainty. Attribute distinction model has the advantage of simple calculation, high precision, and more effective identification as well as comprehensive analysis compared with the others models, which is regarded as a new way for ecological security evaluation.
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备注/Memo
收稿日期:2012-08-29;改回日期:2012-10-07。
基金项目:国家自然科学基金（41261038）；国家十二五科技支撑计划专题（2011BAC02B02，2011BAC09B01，2012BAJ25B09）；贵州省重大科技专项（黔科合重大专项字20126015）
作者简介:易武英(1987-),女,湖南邵阳人,硕士研究生,主要从事区域生态环境与可持续发展研究。E-mail:yiwuyingsy@163.com
通讯作者:苏维词(1965-),男,湖南绥宁人,研究员,主要研究领域:生态环境与可持续发展。E-mail:suweici@sina.com