河北省耕地数量动态变化及驱动因子分析

利用1949年-1998年的统计和普查数据，分析探讨了河北省近50a来耕地数量变化及区域差异，在此基础上进一步探讨了影响耕地动态变化的驱动因子。结果表明，50a来，河北省耕地总体趋势逐年下降，耕地变化区域差异显著；农业结构调整、非农建设、灾害毁损和开荒等因素是引起耕地变化的直接驱动因子，技术进步、经济利益驱动和农业政策等因素是引起耕地变化的间接驱动因子。

ANALYSIS OF DYNAMIC CHANGE AND DRIVING FORCES OF FARMLAND IN HEBEI PROVINCE

According to statistical and survey data from 1949 to 1998, dynamic changes of quantitative and regional differences of cultivated land in Hebei Province during the last 50 years are analysed. Based upon which, the major driving forces that influence the changes of cultivated land are discussed. The results indicated that the general trend of cultivated land during the past 50 years was decreasing and regional differences of cultivated land was very notable. Adjustments of agricultural structure, non agricultural construction, disasteruous damage and land reclamation are direct driving factors that caused cultivated land changes whereas technique advancement, driven economic benefits and agricultural policies are indirect driving factors.