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通过分析城市等级结构和空间关联,有助于识别城市体系发展阶段和协作状况,对于指导区域城市协调发展具有重要的意义。以环鄱阳湖区32城市为研究对象,运用“位序-规模”法则分析后发现:2006年环鄱阳湖区中间位序城市较多,人口分布较为均衡,但研究区的2城市指数高达3.698,南昌市的首位优势十分明显;运用“区域经济联系量”分析南昌市区与其它31城市间经济联系隶属度,结果表明研究区内二级城市中九江、抚州隶属度较高,三级城市中星子、湖口、彭泽和浮梁的隶属度较低。因此,为促进环鄱阳湖区城市群的协调发展,应重点加强二级城市的城市化建设,如九江、新余,促进各级城市间的经济协作。
By analyzing the urban hierarchical structure and spatial correlation, it helps to identify the stage of urban system development and coordination and is of great significance for guiding the coordinated development of cities in the region. Taking 32 cities in the Poyang Lake area as the research object and using the principle of “rank-size ”, we find that there are more cities in the middle Poyang Lake area in 2006 and the population distribution is more balanced, but the index of 2 cities in the research area is as high as 3.698 , The first advantage of Nanchang was obvious. Using “regional economic contact quantity” to analyze the affiliation degree between Nanchang and other 31 cities, the results showed that the affiliations of Fuzhou and Jiujiang in the second-tier cities were higher, The subordinate cities of Xingzhu, Hukou, Pengze and Fuliang have lower degrees of membership. Therefore, in order to promote the coordinated development of urban agglomerations around the Poyang Lake area, we should focus on strengthening the urbanization of secondary cities such as Jiujiang and Xinyu, and promote economic cooperation among cities at all levels.