2008•Zhongguo yanrongOpen access

Estimation of ecosystem service value losses based on land use change in karst area——A case of Du'an county

Baoqing Hu

Abstract

In order to quantitatively analyze the change of ecosystem services caused by land use change,the economic value of ecosystem services in karst landform area during different periods is estimated with the economic value of food production that is supplied with the cropland ecosystem. The database of Chinese resource and environment spatial-temporal land use in 1988,1999 and 2005 are used for analyzing two period TM data and a SPOT2/4 data. Over the 17 years,changes in ecosystem services value are calculated and their causes analyzed. It is shown that the use of land is not reasonable so that the ecosystem service value lost and economic development is not sustainable.

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Key concepts: Ecosystem services, Karst, Ecosystem, Landform, Land use, Land use, land-use change and forestry, Environmental science, Resource (disambiguation)