5Torry B. We need more research on the impact of rapid urban growth. Chron[J]. Higher Educ., 1998, 45: 136.
6Lopez E, Bacco G, Mendoza M, Duhau E. Predicting land-cover and land - use change in the urban fringe-A case in Morelia city, Mexico[J]. Landscape and Urban Planning, 2001, 55(4): 271-285.
7Turner Ⅱ B L, Clark W C, Kates R W, Richards J F, et al(Eds). The earth as Transformed by Human Action: Global and Regional Changes in the Biosphere Over the Past 300 Years[M]. Canbridge: Cambridge University Press with Clark University, 1990.
8Macdonald K A. Ecology's last frontier: studying urban areas to monitor the impact of human activity[J]. Chron. Higher Educ., 1998, 44: A18.
9Thomlinson JR, Rivera LY. Suburban growth in Luquillo, Puerto Rico: some consequences of development on natural and semi-natural systems[J].Landscape and Urban Planning.2000,49(1—2):15—23.
10Yrh AGO, Li X. Measurement and monitoring of urban sprawl in a rapidly growing region using entropy[J]. Photogrammetric Engineering and Remote Sensing, 2001, 67(1): 83-90.