我国城镇化发展与土地集约利用的时空耦合及调控格局*

本文基于城镇化与土地集约利用的耦合机理,分析了2005—2015年我国各省份的城镇化发展和土地集约利用水平、同步状态以及变化协调关系。研究表明：（1）我国各省份综合城镇化水平均平稳上升,动态变化呈一定的收敛性,土地集约化水平有所下降,省际差异较大。（2）各省份整体表现为城镇化超前于土地集约化,同步状态具有空间分布的不均衡性。有50%省份的同步类型保持不变。（3）城镇化发展与土地集约利用变化的耦合关系表现为正向的挂钩协调,并具有一定的空间集聚性和地域时效差异性。（4）东部发达省份的土地集约利用出现退化现象,中西部地区部分省份的城镇化进程则相对缓慢。未来东部地区应加大存量土地开发力度并提高供地门槛,中西部地区需要加快产业优化升级并加强资本和技术的替代与互补效应。

SPATIO TEMPORAL COUPLING AND REGULATION PATTERN OF LAND INTENSIVE USE AND URBANIZATION DEVELOPMENT

This paper analyzes the level grade of provincial urbanization development and land intensive use change, synchronization state and coordination relations from 2005 to 2015 based on attribute connection and spatial analysis functions of GIS. The research shows as follows. First, the provincial comprehensive urbanization level is rising steadily and its dynamic changes are in convergence in 2005—2015. Meanwhile,the whole level of land intensive utilization is declined, there are big differences between provinces in 2005—2015. Second, in general, the provincial urbanization degree are in advance of land intensive use level in 2005—2015,the spatial distribution of synchronous state between urbanization and land intensive use is not balanced,and synchronous characters are remained unchanged in most provinces in 2005—2015. Third, the coupling relationship between urbanization development and land intensive use change is shown as positive coordination,which also has a certain spatial clustering and regional timeliness difference in 2005—2015. Fourth, the degradation of land use in eastern provinces is worthy of attention and vigilance. But the process of urbanization in some western provinces still needs to be moderately accelerated, while to strengthen the substitute and complementary effects of capital and technology.