Results show that from 1990 to 2002,the EF(per capita)enhance from 1.1421 to 1.2795 and ecological capacity(per capita) reduce from 0.5639 to 0.3327,and show that ecological deficit and the ecological benefit(per capita) increases year by year.

• 结果显示:四川省十二年间人均生态足迹由1990年的1.；1421 hm2/人增大到2002年的1