1. School of Geography and Environmental Science/School of Karst Science, Guizhou Normal University, Guiyang, Guizhou, China
2. The State Key Laboratory Incubation Base for Karst Mountain Ecology Environment of Guizhou Province, Guizhou Normal University, Guiyang, Guizhou, China
3. State Engineering Technology Institute for Karst Desertification Control, Guizhou Normal University, Guiyang, Guizhou, China