安徽省人口和土地城市化耦合协调过程与影响因素

人口城市化和土地城市化是衡量城市化水平的重要内容,探究两者耦合协调关系及耦合发展驱动因素对实现新型城镇化具有重要意义.以安徽省地级市辖区、县级市、县为研究单元,选取国内生产总值(gross domestic product,GDP)、人口密度、平均高程等相关指标计算人口和土地城市化速率的协调度,运用耦合协调模型和地理探测器,研究了2000-2016年安徽省人口和城市化速率以及两者的耦合协调演变趋势、空间差异,最后探讨了耦合驱动因素.结果表明:①安徽省主要的城市化特征为人口城市化滞后型,人口和土地城市化耦合协调关系整体向好但增长缓慢,协调水平仍较低;②人口和土地城市化耦合协调发展的空间差异较为明显,并且有一定的空间集聚性;③对两者耦合影响较大的因素为土地城市化率、人口密度和平均坡度,交互作用最强的因素为人口城市化率和土地城市化率,土地城市化和人口密度与相应的社会经济因子之间的交互作用对人口和土地城市化耦合发展起着主导作用.

Coordinated Coordination Process and Influencing Factors of Population and Land Urbanization in Anhui Province

Population urbanization and land urbanization are important contents for measuring the level of urbanization. It is of great significance to explore the coupling and coordination relationship and the coupling development drivers for the realization of new urbanization. Relevant indicators were selected based on the prefecture-level city districts, county-level cities, and counties in Anhui Province. The population coordination rate of urbanization and the coordination rate of land urbanization rates were calculated, and a coupling coordination model and geographic detector were used to study Anhui from 2000 to 2016. Provincial population and urbanization rate and their coupling, coordinated evolution, spatial differences, and coupling drivers. The results show that: (1) the main urbanization characteristics of Anhui Province are the lagging type of urbanization of the population, and the coupling and coordination relationship between population and land urbanization is generally good but slow, and the level of coordination is still low; (2) the coupling of population and land urbanization The spatial differences in coordinated development are relatively obvious, and there is a certain degree of spatial agglomeration; (3) The coupling effects on the two are: land urbanization rate, population density, and terrain slope. The strongest interaction is the population urbanization rate and land. The interaction between urbanization rate, land urbanization and population density and the corresponding socio-economic factors plays a leading role in the coupling development of population and land urbanization.