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艾比湖沿岸地区环境质量演变与生态价值分析
Authors
陈强,陈正江,张兴国,刘晓
Publication date
1 January 2005
Publisher
Abstract
目的借助于遥感资料和GIS方法,研究了近20a来艾比湖沿岸的生态环境质量演变,为研究该地区水土开发与生态环境演变提供了依据。方法在GIS/RS技术支持下获取基础数据,根据研究区的区域特点,将Costanza等人的研究与国内相关研究结合,建立价值模型对艾比湖沿岸的博乐、精河绿洲进行不同历史时段生态系统服务功能价值测评。根据生态系统服务功能价值与生态环境质量之间的正相关关系,从生态系统服务功能价值的角度对博乐、精河绿洲近20a生态环境质量的演变进行了分析。结果研究区生态系统服务功能价值呈下凹曲线变化趋势。结论博乐、精河绿洲近20a的生态环境演变基本上以1991年为界,前期呈现劣变,后期则渐趋好转
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Last time updated on 29/11/2016