The Evolution of Urban and Rural Construction Land Based on Spatial Econometrics: A Case Study of Bijie City
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Based on the theory of spatial econometrics, we test and process the urban and rural construction land data during the base period of planning and late period of planning in Bijie City. And we conduct comparative analysis of the spatial pattern and evolution characteristics of urban and rural construction land in 41 towns of Bijie City before and after the planning. According to Getis-Ord Gi coefficient test results, the cold spot area of urban and rural construction land in northeast of Bijie City will gradually disappear, and the key point of hot spot area will be gradually transferred from the central region to the central and eastern regions. The results show that under the guidance of the overall land use planning in Bijie City, the urban and rural construction land will show strong spatial autocorrelation; agglomeration benefits and scale merit will appear clearly, in line with the actual situation of current development of Bijie City.