重庆市人口对耕地和粮食资源的压力研究

A Study of the Pressure of Chongqing′s Population on Land and Grain Resources

分别从人口与耕地演变趋势、人口对耕地的综合压力指数、人口耕地密度三个方面和建国以来粮食变化情况、人口对粮食的压力、未来粮食供给与人口合理容量等三个角度系统阐述了重庆市人口对耕地和粮食所造成的压力。最后提出几条建议 ,以期缓解并逐步解决重庆市人口。

This paper elaborates the pressure of Chongqing′s population on land and grain resources in detail from three aspects-the evolving tendency of the population and land, the comprehensive pressure index and the population-land indensity and from three angles—the conditions of grain development since the founding of the People′s Republic of China,the grain pressure of population and the future supply of grain and rational capacity of population. Several proposals are offered in the end in order to relieve and solve the contradictions of the population, land and grain of Chongqing gradually.