1. School of Geography and Environmental Sciences, Guizhou Normal University, Guiyang, Guizhou 550025, People’s Republic of China
2. School of Resources and Environmental Science, Wuhan University, Wuhan, Hubei 430079, People’s Republic of China
3. State Key Laboratory Incubation Base for Karst Mountain Ecology Environment of Guizhou Province, Guiyang, Guizhou 550001, People’s Republic of China