成都市农村居民点用地面积变化及驱动力分析

选取成都市1997-2007年的农村居民点面积数据，对其面积动态变化做了定量的分析。在此基础上，选取8个具有代表性的社会经济数据，采用主成分分析方法对其变化的驱动力进行了分析。结果表明，10年来成都市农村居民点用地面积呈逐年下降的趋势，而人均农村居民点面积有所上升。农村居民点用地面积变化的主要驱动因素是农村人口的减少，其次包括农村经济的发展、农业结构的调整等。

Analysis on Area Change and Driving Force of Rural Residential Land in Chengdu city

According to the rural residential land data of Chengdu city from 1997 to 2007,a quantitative analysis of its dynamic changes was down.On the basis of this,the driving force was analyzed by selecting eight representative socioeconomic data and using principal component analysis method.The results showed that in the recent ten years the total area of rural residential land in Chengdu had been inducing year by year,while the area per capita increased a little.The area change of rural residential land in Chengdu was mainly influenced by the reduction of the rural population,secondly including the development of rural economy,agricultural structure adjustment.