The Structure and Mechanism of Inter-Provincial Migration of Yangtze River Delta
基于第五次人口普查数据，分析了1995-2000年长三角省际迁移的规模、来源布局和流动特征，揭示了距离、经济差异和空间可达性对迁移机制的影响。
According to the 5th census of China,inter-provincial migration of Yangtze River Delta amounts to 6.79 billion from 1995 to 2000,which accounts for 21% of the total inter-provincial migration in China.Meanwhile,the migration process influenced industrialization and urbanization significantly.Under certain background,this paper employed flow-space and GIS methodologies,and analyzed the source layout of immigration centers and the characteristics of migration-flows.From the point of migration distance,economic difference and spatial accessibility,the mechanism of inter-provincial migration was uncovered.At last,this paper come to the conclusions that(1) the migration attractive effect of Zhejiang Province has been strengthened during recent years,most of immigrations come from the south of China,with a spatial characteristic ofcluster in large-scale,disperse in small-scale;and(2) the leading factor of migration has been converted from pull function to push function,while the spatial accessibility becomes the primary index in the process of migration decision.