南海市耕地数量变化驱动力的定量分析

Quantitative Change and Its Driving Force of Cultivated Land in Nanhai City

分析了南海市耕地数量变化的特点,并用定性与定量相结合的方法进一步探讨了耕地数量变化的驱动力。结果表明,南海市耕地数量的变化与珠江三角洲耕地数量变化的时间基本一致且与经济发展同步,经济发展、人口增长、基础设施建设及农业结构调整是耕地数量变化的主要驱动力。

The author took Nanhai City that located in the center of the Pearl River Delta as a case study area to study the quantitative change and its driving force of cultivated land by the qualitative and quantitative methods.The research results showed that there was trend of obvious fluctuant decrease in of cultivated land in recent years.The process of fluctuant change in cultivated land just like other areas of the Pearl River Delta was consistent with the process of economic development.Some conclusions were shown below:economic development,population growth,the expand of the scale of fixed assets investment and adjustment of agricultural structure were main driving forces.