6Brown G P. Arable land kr, s in rural China: policy and implementation in Jiangsu Province[J]. Asian Survey, 1995, 35(10) : 922 - 940.
7Verburg P H, Veldkamp A, Fresco L O. Simulation of changes in the spatial pattern of land use in China [J]. Applied Geography, 1999,19(3) :211 - 233.
8Veldkamp A, Fresco L O. Reconstructing land use drivers and their spatial scale dependence for Costa Rica (1973 and 1984) [ J ]. Agricultural Systems, 1997,55 (1) : 19 - 43.