江苏省人口变化对耕地保护的影响

人口变化对耕地具有两方面作用，一是人口数量增加需要占用更多耕地；二是人口城镇化对耕地保护具有促进作用。通过对江苏省的人口与耕地面积两组数据进行分析，发现由人口数量增加而导致耕地占用的趋势在不断地减缓，并提出人口城镇化有利于节约保护耕地，是缓解人地矛盾关系的有效途径；进而对人口城镇化有利于保护耕地进行原因分析，并对其实施过程中存在的问题提出一些建议。

Effect of Population Change on Cultivated Land Protection in Jiangsu Province

Population change has two effects on cultivated land: increasing population needs more cultivated land,and population urbanization makes for saving cultivated land.Studying the relationship between population and cultivated land change in Jiangsu Province by regression analysis,the paper finds that the effect of cultivated land is decreasing and argues that population urbanization is an effective way to solve the contradiction between population and cultivated land.