北京城市建成区扩张的经济驱动：1978-2002

北京是我国改革开放以来高速城市化建设及城市用地扩张的典型城市,1978—2002年期间其城市建成区土地面积以年均约13.10平方公里的速度增长。文章选取了北京地区重要经济指标,采用多元统计分析方法,对1978年至2002年北京城市用地扩张的经济驱动力进行了分析。结果表明经济的发展程度、农村与城市居民的生活水平差距、第二和第三产业生产规模、固定资产投资额是影响城市用地扩张的重要经济因素。其结果可为北京的城市化控制管理与生态安全保障提供科学依据。

Economic Driving Force of Urban Built-up Area Expansion in Beijing

Beijing has become a typical city of high-speed urbanization and land-use expansion since implementing reforming and opening policy in China.During 1978 to 2002,the built-up area of Beijing increased by 13.10 sq.km.every year.This paper adopts the important economical indicators of Beijing and multivariate statistics analysis means,analyzes the economic driving forces which lead to the land-use expansion in Beijing.The result shows that development level,the disparity of living standard between citizens and peasantry,the scale of the second and third industries and permanent assets investment are the important economic factors which influence the land-use expansion.The research result can provide scientific evidence for the management of Beijing urbanization and ensuring ecological balance.