【摘要】 针对龙门山区域生态环境受到了"5·12"汶川大地震重创的现实问题,选取蒲江县为例,构建目标层、制约层、要素层的三级评价体系,建立了生态环境综合评价模型,并运用层次分析法及GIS技术开展生态环境综合评价。结果表明:蒲江县生态环境良好率(第Ⅲ分类区以上)达到了87.6%,总体生态环境状况良好,同时提出了生态保护对策。更多还原

【Abstract】 It is a real problem that the ecological environment had been everely damaged by the 5·12 Wenchuan earthquake for the Longmen region.The comprehensive evaluation of the ecological environment has been completed through using of the analytic hierarchy process and GIS technology by constructing the target layer,constrained layer,feature layer and the establishment of a comprehensive evaluation model of the ecological environment in Pujian County.The results showed that percentage of ecological environment more than third grade in Pujian County reached to 87.6%,and the overall ecological environment in this county was in good condition.Meanwhile,ecological protection countermeasures were proposed in this paper.更多还原