This work was jointly supported by the National Natural Science Foundation of China (Grant Nos. 49972087 and 49632100).
This study deals with δ13C variation in karst soil system of Yaji Karst Experiment Site, Guilin, a typical region of humid subtropical karst formations. Samples of near ground air, plant tissue, soil and water (soil ...
supported by the Special Commonweal Research Project(No.164)of the Ministry of Science and Technology;key Project(No.2000208)of the Ministry of Land and Resources;Natural Science Foundation Project(No.49632100);UNESCO Project IGCP 379 and IGCP 448.
In this paper the author gives a definition of the karst ecosystem and discusses the characteristics of the karst environment and karst ecosystem and the relationship between life and the karst environment. Finally he...