【摘要】 利用1978～1999年武汉市的统计数据,分析探讨了武汉市近22年来耕地的数量变化及区域差异,在此基础上进一步讨论了影响耕地数量变化的驱动力.结果表明,22年来,武汉市耕地总体趋势逐年下降,耕地变化区域差异显著;经济发展、人口增长是引起耕地数量变化的内在驱动力,而经济利益的驱动和有关土地的政策是引起耕地变化的外在驱动力.更多还原

【Abstract】 According to statistical data from 1978 to 1999, dynamic changes of quantitative and regional differences of cultivated land in Wuhan city during the last 22 years are analyzed. Based upon which, the major driving forces that influence the changes of cultivated land are discussed. The results indicate that the general trend of cultivated land during the past 22 years was decreasing and regional differences of cultivated land was very notable. Economic development and the population growth are the inner driving forces that caused cultivated land changes where as driven economic benefit and land policies are exogenous driving forces.更多还原