History, achievements, problems and suggested countermeasures of karst desertification control in Guizhou

Guizhou has the largest area and highest proportion of karst desertification areas as well as the most poor population in China,Since the founding of PRC,great efforts have been made on control of karst desertification in Guizhou.Although remarkable progress has been achieved in this century,desertification acceleration has not been well suppressed,even reversed.This paper reviews the aims,measures and achievements of desertification control since 1949 and analyzes the processes of social and economic development,administrative system changes and scientific and technical progresses,and points out existing problems in desertification control projects.Then the suggestions on future projects are proposed.which may benefit predicting the change trend of desertification and decision-making on desertification control in the future.