URBAN RESIDENTIAL ENVIRONMENT IN GUIZHOU KARST REGIONS AND ITS OPTIMIZATION

Guizhou is a mountainous province with 73% of carbonate rock area, and the main cities are distributed in karst regions. Owing to the specific characteristics of karst landforms and the environmental effects, a series of the problems about the urban residential environments are outstanding. On the basis of the discussion about the urban residential environmental features in Guizhou karst regions, this paper especially analyses the main problems existing in Guizhou urban residential environment and their causes,and probes into the optimum principles of Guizhou urban residential environment. Accordingly,the corresponding optimization countermeasures are suggested finally, which would provide some scientific basis for the urban sustainable development in Guizhou karst regions.