| 基于熵权灰度关联法的重庆市生态系统健康评价 |
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| 引用本文： | 高凯,郭跃,姜瑞华.基于熵权灰度关联法的重庆市生态系统健康评价[J].广西师范学院学报(自然科学版),2009,26(1). |
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| 作者姓名： | 高凯 郭跃 姜瑞华 |
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| 作者单位： | 1. 重庆师范大学地理科学学院
2. 重庆师范大学研究生处,重庆,400047 |
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| 摘 要： | 依据重庆市生态系统的特殊性,建立以自然、经济、社会为三要素的生态系统健康评价指标体系,运用熵权法确定各个评价指标权重,通过灰色关联法对2000-2007年重庆市生态系统各要素的健康状态以及综合健康状态进行动态评价与比较分析.结果表明:重庆市生态系统健康状态整体呈上升趋势,但健康度值＜0.7,健康度相对较低,系统的健康状况与目标期望值仍有很大差距.
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| 关 键 词： | 熵权法 灰度关联法 重庆市 生态系统健康 |
Assessment of Urban Ecosystem Health in Chongqing Based on the Entropy and Gray Correlation Method |
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| GAO Kai,GUO Yue,JIANG Rui-hua.Assessment of Urban Ecosystem Health in Chongqing Based on the Entropy and Gray Correlation Method[J].Journal of Guangxi Teachers Education University:Natural Science Edition,2009,26(1). |
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| Authors: | GAO Kai GUO Yue JIANG Rui-hua |
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| Institution: | a.College of Geography Science;b.Section of Postgraduate;Chongqing Normal University;Chongqing 400047;China |
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| Abstract: | Considering the content of ecosystem health,based on the specificity of urban ecosystems,have set up the health evaluation index system of urban ecosystem has been set up,which involves nature,economy and society.This paper endows weighing to indexes by entropy-weighing method,a comprehensive and dynamic assessment was carried out to measure and compare the state of urban ecosystem health during the years of 2000 and 2007 in Chongqing city by grayscale relative method.The results show that: the degree of th... |
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| Keywords: | Chongqing entropy-weighing method: grayscale relative method: ecosystem health |
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