supported by the National Key Basic Research and Development Program(2010CB833500);the"Strategic Priority Research Program-Climate Change:Carbon Budget and Relevant Issues"of the Chinese Academy of Sciences(XDA05050601);the National Natural Science Foundation of China(31070435,41071166)
Using water erosion data from three national soil erosion remote-sensing surveys (the first:1985-1986; the second:1995-1996; the third: 2000-2001) and carbon density data from the second national soil survey (19...