2005•Diyu yanjiu yu kaifaRequires access

Karst Land Use Change and Their Regional Eco-environmental Effect——A Case Study of Du'an Yao Autonomous County of Guangxi

Lili Xu

Abstract

First of all,the land use change in Du'an Yao Autonomous County of Guangxi lately 20 years is analyzed from the aspects including use transfer type,spatial pattern change quantitative analysis,forecast model of dynamic change,etc;Moreover,the paper takes a quantitative analysis on their eco_environmental quality change.Amelioration and depravation of eco_environmental quality in the various villages and towns of Du'an result from the naked land's enlarging and shrinking,and it can bring into the large relationship between land use temporal_spatial change and regional difference of eco_environmental quality.

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Key concepts: Spatial change, Karst, Environmental change, Geography, Environmental quality, Land use, Land use, land-use change and forestry, Change analysis