基于PSR模型的桂林市旅游生态安全动态评价

Dynamic Evaluation of Tourism Ecological Security Based on PSR Model

基于"压力—状态—响应(PSR)"模型,采用AHP层次分析法,对有关生态环境安全的影响因素进行深入分析;并根据桂林近10 a的统计年鉴及相关资料的收集处理,对桂林2001—2010年间生态安全的动态发展过程进行评价。研究结果显示:10 a间桂林旅游生态环境安全值呈现2个明显的阶段,并在2007年实现发展的突破,从安全指标的Ⅲ级上升到Ⅱ级,生态环境安全程度较高,并呈现继续上升的趋势,但是仍处于生态环境压力较大的阶段,仍需加大对环境的保护和改善力度。

Based on Pressure-State-Response（ PSR） model,using AHP hierarchy analytic process,this paper then had a in-depth analysis for the effective factors of ecological environment security.Through collection and processing of the Stastical Yearbook and relative data for nearly 10 years in Guilin,then it get the evaluation on the dynamic development process of ecological security during 2001-2010.The research results showed that the security value of ecologic tourism showed 2 evident stages in Guilin for nearly 10 years,and in 2007 a breakthrough in development was realized,the safety indexes ofⅢlevel raised toⅡlevel,the ecological envi-ronment safety degree was higher,and showed the trend of rising;but it was still in the ecological environment pressure stage,still needed to strengthen the protection of environment and improve.