Change of the spatial pattern of development in western China since 2000 and its future optimization strategy
Since 2000,great changes have taken place in the spatial pattern of the development in western China,and the internal differentiation has become increasingly prominent.Optimizing the spatial pattern of development is an important way to solve the problem of unbalanced and inadequate development in the western region.This study used the trajectory of gravity center of development and Theil index to examine the change of the spatial pattern of development and regional inequality at different spatial scales in western China from 2000 to 2019.The results show that:1)The change of the spatial pattern of development of the western region showed obvious stages.From 2000 to 2010,the population gravity center and economic gravity center moved northward,and the development in the northwest was better than that in the southwest generally.The overall regional development inequality in the western region had been widening.After 2010,the population and economic gravity centers began to move southward,and the development in the southwest was obviously better than that in the northwest.The overall gap in regional development was also narrowing.2)There was a significant spatial heterogeneity and diversity in the changes of regional development inequality in the western region.Although the economic gap between the far west and the near west was small,it continued to widen since 2005.The per capita GDP gap between the southwest and the northwest and the income gap between urban and rural residents in the west show an inverted U-shaped trend.Although the income gap of rural residents in northwestern China and southwestern China had been narrowing,the gap was still significant.The income gap of rural residents between northwestern and southwestern areas had shown a widening trend,but the gap was not significant.3)The development trend of the provinces showed a clear differentiation,forming four different types of development.Finally,the article put forward the strategy of optimizing the development pattern of the western region in the future.