利用土地利用现状调查与变更调查统计数据,结合历年统计年鉴的社会经济数据,分析了青海高原东部农业区1996-2005年建设用地扩张过程与特点,定量分析建设用地变化的驱动因素。研究结果表明:建设用地的外延扩张迅速,非农建设占用耕地的现象较为突出。各类社会经济驱动因素中,逐步上升的二三产业比重、不断增长的人口压力和城镇化水平的提高是影响建设用地扩张的最重要的因素。
The changes of construction land in eastern Qinghai Plateau from 1996 to 2005 were analyzed based on land use data.Relationship between construction land change and its driving factors was analyzed quantitatively.The results indicated that added value of secondary and tertiary industries,population growth,and urbanization level were the main factors driving for construction land changes in eastern Qinghai Plateau.