合肥市人口-耕地-粮食系统的可持续发展研究

The research on sustainable utilization of the cultivted land-population-food in Hefei City

根据1980～1999年合肥市耕地、人口、粮食等资料,定量分析在城市化快速发展下耕地的数量变化、质量状况和耕地减少的形式以及人口、粮食的变化,并用回归法分析它们的变化趋势.研究认为在2005年、2010年合肥市食物保障能力分别在97%和95%;提出提高粮食产量的对策和实现途径,为合肥市在实行城市可持续发展的同时,做好耕地-人口-粮食系统生产发展决策、提供科学依据.

Collect data(1980-1999)on cultivated land?population an d food in Hefei city and quantitative analysis is done on the change of cultivated land' s quantity and quality and on reducing form of land Then with regression analysis,the article calculate changing trend of the cultivated land-population-food.Therefore,after dynamic changes of the form land,food supply capacity will be97%and95%in2005and2010.So,the government in Hefei city should further strength en the measure of the land-population-food when its city develops quickly.