基于PSR模型的城市生态安全动态评价——以福建省三明市为例  

Urban ecological safety dynamic evaluation based on PSR model——taking Sanming City of Fujian Province as an example

作　　者：郭闽[1] 黄鹏[2] 何天友[1] 陈凌艳[1] 郑郁善[1] 

机构地区：[1]福建农林大学园林学院 [2]福建农林大学林学院,福建福州350002

出　　处：《福建农林大学学报（自然科学版）》2015年第1期90-95,共6页Journal of Fujian Agriculture and Forestry University:Natural Science Edition

摘　　要：运用"压力-状态-响应"概念模型分析福建省三明市生态安全程度以及空间分布规律.通过构建生态安全评价指标体系,选择出20个指标,采用熵值法和层次分析法计算权重.研究主导城市生态安全的关键生态环境要素,评价2004年至2013年城市生态安全现状及趋势.结果表明,三明市的城市生态安全基本处于稳定、上升趋势,安全等级较高.The ecological security level and spatial distribution rules of Sanming City of Fujian Province were analyzed by the concept model of ＂press-state-response＂. 20 indexes were selected by constructing the evaluation system of ecological safety,and the weight was calculated by the methods of entropy weight and hierarchy analysis. The critical indexes dominating urban ecological security were studied,and the urban ecological security of Sanming City from 2004 to 2013 was evaluated. The result showed that Sanming’s ecological security was increasingly improving,and the security level was high.

关 键 词：生态安全 PSR 熵权法 动态评价 

分 类 号：X171.4[环境科学与工程—环境科学]