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《Journal of Central South University of Forestry & Technology》 2012-06
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A dynamic assessment of forest ecological security in Changsha-Zhuzhou-Xiantan area based on PSR model

MAO Xu-peng,CHEN Cai-hong,GUO Xia,ZHOU Dan-hua,HU Huan-xiang(Central South University of Forestry and Technology,Changsha 410004,Hunan,China)  
In order to reveal the evolution rule and influence factors of forest ecological security in Changsha-Zhuzhou-Xiangtan area,according to the concrete conditions of the study area,a set of indices system for assessing forest ecological security was constructed based on PSR model,and the forest ecological security of the study area was analyzed by using entropy method and fuzzy comprehensive evaluation method.The results show that the comprehensive evaluation value of forest ecological security increased from 3.6186 to 3.9040 in 2006 and 2010 and all the overall levels were in state of "general".Due to the snow disaster and the serious forest fi re,the forest ecological security of 2008 was at the lowest level.
【Fund】: 湖南省科技计划项目“长株潭地区森林生态系统预警研究”(2010NK30333);; 湖南省“十一五”重点学科建设计划资助项目“森林经理学科”(2006-028-0015)
【CateGory Index】: S718.557
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