1. Guizhou Academy of Sciences, Institute of Mountain Resources of Guizhou Province, Guiyan, China
2. School of Karst Science/School of Geography & Environmental Science, Guizhou Normal University, Guiyang, China
3. State Engineering Technology Institute for Karst Desertification Control, Guiyang, China
4. Guizhou Institute of Natural Resources Survey and Planning Research, Guiyang, China