3[1]Turner Ⅱ B L, Meyer W B. and Skole D L. Global Land use/Land cover change: towards an integrated study [J]. Ambio, 1994, 23(1): 91～95.
4[3]Lambin E F and Geist H J. Global land use and land-cover change: what have we learned so far? [N]. Global Change News Letter, 2001, Issue No. 46: 27～30.
5[4]Geist H and Lambin E F. What drives tropical deforestation? A meta analysis of proximate causes and underlying sources of deforestation based on sub-national scale case study evidence [R]. LUCC Report Series No. 4. LUCC International Project Office, Louvain-la-Neuve, 2001.
6[6]Dirzo R and Fellous J L. Strengthening the regional emphasis of IGBP [N]. Global Change News Letter, 1998, Issue No. 36: 5～7.
7[9]Chorley R J, Kennedy B A. Physical Geography: A System Approach [M]. London: Prentice Hall. 1971.
8[10]Huggett R J. Earth Surface System [M]. Berlin: Springer-Verlag. 1985.
9[11]Bennett R J, Chorley R J. Environmental System: Philosophy, Analysis & Control [M]. London: Methun & Co. Ltd.1978.
