作者机构:[1]State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China, [2]Puding Karst Ecosystem Research Station, Chinese Academy of Sciences, Puding 562100, China
相关基金:The research project was funded jointly by the Orientation Project of Knowl- edge Innovation Program sponsored by the Chinese Academy of Sciences (No. kzcx2-yw-306) and the National Natural Science Foundation of China (Nos.41003054 and 90202003). The authors wish to thank Profs. Ran Jingcheng (Maolan National Nature Reserve Administration) and Rong Li (Guizhou Normal University) for their assistance in the field work. Sincere thanks are also due to Prof. Tan Ming and editors for their valuable comments and suggestions for improving the manuscript.