CONCEPT DEDUCTION AND ITS CONNOTATION OF KARST ROCKY DESERTIFICATION

This article discussed the connotation of karst rocky desertification by way of introducing the deductive procedure of karst rocky desertification concept. Karst rocky desertification is a process of land devolution that soil was eroded seriously or thoroughly, bedrock was exposed widespread, bearing capability of land declined seriously, and at last, landscape similar to desert appears on the earth's surface under violent human impaction on the vulnerable eco geo environment. Karst rocky desertification is one major type in desertification. In the process, the vulnerable eco geo environment serves as its base, violent human impaction as its driving force, devolution of bearing capability of the land is the essence, and the appearing of landscape similar to desert is the sign.