土地利用结构变化及人文驱动力分析——以甘肃省为例

Dynamic change and Human driving forces ana1ysis of land use structure ln Gansu Province

区域土地利用结构状况与区域社会经济发展水平之间有密切关系,因此,土地利用结构变化与社会经济因子的驱动力作用必然具有内在的相关性;基于1997～2005年甘肃省土地利用变化的普查数据与社会经济统计资料,建立了土地利用结构与相关人文因子的数据库,通过建立多元回归模型揭示了土地利用结构空间分布及其变化与人文因子的定量关系,从中筛选出影响土地利用类型结构变动的主导人文驱动因子;研究表明:人口增长、经济发展、技术进步以及土地集约利用措施,在土地利用类型变化中均发挥着重要作用。

There are close relation between land use change and economic development. On the one hand.land-use is influenced directly and indirectly by all kinds of socio-economic factors. On the other, structure change of land-use responds and reacts to socio-economic factors. The structural status of land-use closely relates to the development level of regional society and economy. Therefore, it is necessary to iUustrate the correlation between the change of land-use structure and the driving-force of regional socio-economic factors. Based on the data of Luc and the socio-economic statistic data at the Gansu 1997-2005,the data base on the land-use structure and the relative human factors was built. In virtue of SPSS （Statistical Package for the Social Science） software, the quantitative relationship between the spatial distributing and change of land-use structure and the relative human factors was clearly displayed, and the primary human driving factors which acted on the structure change of land-use was also screened out. The study show sthat population growth, economic development, technological development and intensive land use measures also play important roles during land-use type conversion in Gansu during 1997-2005.