2006•Zhongguo yanrongRequires access

A REVIEW ON RECENT ADVANCES IN ROCKY DESERTIFICATION IN SOUTHWEST CHINA KARST REGION

Zhongcheng Jiang

Abstract

Rocky desertification is a key environmental problem and hot research focus in karst area.In recent years,karst experts have not only investigated the distributions and developing tendency of rocky desertification in southwest China with remote technology,but also analyzed the causes from natural factors and human impact.Furthermore,the environmental quantity in view of the ecosystem,water resources,soil,land productivity and leading disasters have been evaluated,and comprehensive modes and methods to treat rocky desertification have been put forward.The future researches of rock resertification should deepen the forming process,open the coupling relationship between rocky desertification and water and soil resources,search for techniques in rehabilitation of ecosystem and reasonable way of water and soil resources use,and carry out evaluation to the effects of rocky desertification treatment in a comprehensive way.

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Key concepts: Desertification, Karst, Ecosystem, China, Environmental science, Natural (archaeology), Ecosystem services, Environmental resource management