吉林西部土地利用变化的生态环境效应评价

利用吉林西部1998和2001年两个时段的遥感解译数据,通过土地利用对生态环境影响的分析,建立了包括土壤、大气、水及生态四个方面的评价指标体系,采用层次分析法对各因子赋权,应用综合指数模型进行了生态环境效应评价。结果表明：土壤环境由于耕地面积及研究区人口的增加对土壤环境造成了很大的压力,虽然大气环境于生态环境根据模型计...

The eco-environmental effects assessment of Land use changed in the west of Jilin Province

With two period of remote sensing data interpretation in 2998 and 2001 in the west of Jilin Province,and the analysis of land-use impacts on the ecological environment,It establised evaluation indicators system including soil,air,water and ecology,the hierarchy analysis was used to empowerment to the factors,and applied the composite index model to evaluate the environmental effects.The results showed that: the soil environment has a large pressure because of the increase in the population and arable land,a...