基于PSR模型的长沙市生态安全评价  

Study on the ecological security evaluation of Changsha City based on PSR model

作　　者：陈彩虹[1] 齐旭明[1] 

机构地区：[1]中南林业科技大学,湖南长沙410004

出　　处：《中南林业科技大学学报》2010年第1期105-109,共5页Journal of Central South University of Forestry & Technology

基　　金：国家"十一五"科技支撑专题(2006BAD03A1704)

摘　　要：基于PSR模型,结合长沙市的具体情况构建生态安全评价的指标体系,同时利用层次分析法结合模糊数学方法对研究区的生态安全进行评价分析。结果表明：20012008年长沙市生态安全等价值由3.00下降到2.48,生态环境逐步步入良性循环。评价结果与长沙市近8年的实际情况相吻合,表明该分析方法具有一定的科学性。According to the specific statement of Changsha,this research constructed the indices system based on PSR model,and analyzed the ecological security of the area using AHP combined with fuzzy comprehensive evaluation.The results indicated that,in 2001-2008,the value of ecological safety etc.decreased from 3.00 to 2.48 in Changsha,and ecological environment gradually entered benign circulation.Evaluation results matched with the actual situation in nearly eight years of Changsha,which indicated that this analysis method was scientific and reasonable.

关 键 词：生态学 PSR模型 隶属度 层次分析法 长沙市 

分 类 号：Q142.3[生物学—生态学]