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Analysis of the Correlation between the Cultivated Land Change and Social Development and Economic Growth in Zhangye City

GUO Ling-xia et al (School of Geography and Environment Science,Northwest Normal University,Lanzhou,Gansu 730070)  
According to socio-economic statistical data,the general surveys and analysis of land as well as cultivated land in the Zhangye city from 1949 to 2004 were conducted.The major driving forces that affected the trend of cultivated land change was pointed out.With the regression analysis,a multivariate regression model was set up and result showed that population,urbanization level and per-capita GDP were the most important driving forces affecting the trend of cultivated land change.The authors believed that a scientific basis for sustainable agricultural development of this region was provided.
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