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Impacts of Land Use Changes on Ecosystem Services Value in Wuqi County
Authors
吕明权
王延平
王继军
Publication date
1 January 2010
Publisher
Abstract
退耕还林工程实施以来,吴起县土地利用、生态环境都发生了明显的改善,生态服务价值也发生了较大的变化。运用Costanza提出的生态服务价值计算方法估算生态服务价值,结果表明:1990-2007年,土地利用结构不断优化,耕地、草地面积逐步减少,园地、林地面积逐步增加。1990年吴起县生态服务价值为16.41亿元,2001年为24.97亿元,2007年为28.19亿元。在生态服务功能价值构成中除了食物生产和废物处理功能外,其它生态服务功能都在增加
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018