4BP Group. BP statistical review of world energy 2009[R]. (2009-06-10). http://www.bp.com/liveassets/bp_internetJglobalbp/ globalbp_uk_english/reports_and_publications/statistical_energy_ review_2008/STAGING/local_assets/2009_downloads/statistical_ review of world energy_full_report_2009.pdf.
5IEA.World Energy Outlook 2008. http://www.worldenergovotliik. org/2008.asp.
8Turner M G. Landscape ecology : The effect of pattern on process. AnnualReview of Ecology and Systematics, 1989, 20: 171-197.
9Romme W H. Fire and landscape diversity in subalpine of Yellowstone Na-tional Park. Ecological Monographs, 1982,52; 199-221.
10Li H.spatio-temporal pattern analysis of managed forest landscapes: a sim-ulation approach. ph.D Dissertation. Corvallis, Otegou, USA : The Oregon State Uni-versity ,1989.