安徽省城市土地集约利用动态及空间差异研究

依据安徽省经济实际,从土地利用投入、产出效益、土地利用程度和土地利用生态效益等4方面构建安徽城市土地集约利用综合评价体系;以安徽省土地统计数据为基础,利用主成分分析法对省内17地市土地集约利用水平进行综合评价。研究结果表明:(1)2004-2009年安徽省城市土地利用集约度不断提高,城市土地集约度增加了2倍多;(2)城市土地集约利用水平具有明显的区域差异,淮河以南相对较高,淮河以北总体上较低;(3)经济发展水平是影响土地集约利用重要的外部因素,合肥、马鞍山和芜湖等经济发达地区集约利用水平相对较高。

A Study on the Dynamic and Spatial Difference of Urban Land Intensive Use in Anhui Province

This paper established the comprehensive evaluation system of urban land intensive use from land use investment,output benefit,land use intensity and land use ecological benefit.Based on the statistical data of land use,using principal component analysis,this paper made comprehensive evaluation on the intensive land-use level of 17 cities in Anhui Province from 2004 to 2009,analyzed the changing situation in space and time.The results showed:(1)The level of urban land intensive use of Anhui Province constantly improved from 2004 to 2009,increasing more than 2 times of the intensive land-use level;(2)the level of urban land intensive use had significant regional differences,the south of the Huaihe River cities having the higher level,and the north of the Huaihe River cities having the lower level;(3)economic development level is the most important external factor affecting the level of urban land intensive use.The level of urban land intensive use is higher in developed areas,like Hefei,Ma Anshan and Wuhu than other areas.