3Verburg P H, Veldkamp A,Fresco L O. Simulation of changes in the spatial pattern of land use in China. Applied Geography, 1999, 19: 211～233
4Yazawa M, Takatsuki D, Wang XieFeng, et al. Relationships between recent land-use change and legal land-use classification in the area of greater Sapporo. Journal of the Faculty of Agriculture, Hokkaido University, 1999, 69(1): 31～45
5Heilig GK.Anthropogenic factors in land-use change in China. Population and Development Review, 1997, 23(1): 139～168
