6FOLEY J A,DEFRIES R,ASNER G P,et al.Global consequences of land use[J].Science,2005,309(22):570-574.
7CHEN J.Rapid urbanization in China:A real challenge to soil protection and food security[J].Catena,2007,69(1):1-15.
8DENG X Z,HUANG J K,SCOTT R,et al.Cultivated land conversion and potential agricultural productivity in China[J].Land Use Policy,2006,23:372-384.
9PEI F,LI X,LIU X,et al.Assessing the differences in net primary productivity between pre-and post-urban land development in China[J].Agricultural and Forest Meteorology,2013,171,174-186.
10YAN H,LIU J,HUANG H Q,et al.Assessing the consequence of land use change on agricultural productivity in China[J].Global and Planetary Change,2009,67(1-2):13-19.
