| Land is the terrestrial parts of the earth. The land also includes the water of land surface, such as rivers and lakes. It is the natural history synthesis composed of landform, soil, hydrological, biological, climatic, base material and effect of human activity. Land is the head of all resource. It is a kind of important resources all itself. By means of land use, the social economy and natural resources live.This study puts to use the data of land change in12cities about Baolan-Lanqing-Qingzang urban belt from1991to2009. It statistically analyses9kinds of land, such as public facilities and green land.These based data root in "China city construction statistics","statistical yearbook of Inner Mongolia","Ningxia Statistical Yearbook","statistical yearbook of Qinghai","Gansu Statistical Yearbook","Tibet statistical yearbook".Based on the data of land use change above Yearbook from1991to2009, the article analysis comprehensively the features of time change and special variation on each class of land use about Baolan-Lanqing-Qingzang urban belt, using EXCEL. It reveals the amplitude, velocity, regional difference and the distribution of spatial variation on principal class of land use in the study district. Meanwhile, we actually analysis the social economic factors by using factor analysis method in SPSS, which reflect population economy and urban industrial structure are the principal components to influence on the land use about Baolan-Lanqing-Qingzang urban belt. |
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