景洪市1949~2000年耕地利用可持续发展分析

Analysis of sustainable development on the use of cultivated land in Jinghong from 1949 to 2000

将生态足迹模型运用到景洪市耕地资源利用状况上,对1949~2000年50余年的耕地利用进行可持续发展的定量评估.分析表明1949~2000年景洪市生态足迹一直处于生态赢余状态,适合可持续发展.但是,生态赢余不断减少,2000年已经趋近于零值,预测在21世纪将会出现生态赤字.针对这一现状,必须采取有力措施,以确保景洪市耕地利用的可持续发展.

Put the ecological footprint method on the cultivated land resources utilizing,cultivated land′s ecological footprint was calculated and evaluated.The results show that:from 1949 to 2000,the ecological footprints in Jinghong was surplus which were on the level of sustainable development.But the surplus was decreasing,we can forecast that it will appear ecological deficit in 21 century.