中文摘要：

探讨了新时期南京城郊结合部拓展的特征与机制。南京城郊结合部拓展的特征表现为以下方面：在经济发展上,城郊结合部发展速度高于远郊县,但低于城区;在人口城市化上,是人口增长最快的地区;在土地利用上,城郊结合部粗放发展。就拓展机制而言,认为当前南京城郊结合部的拓展主要是由城市向郊区分散发展的新战略、巨型工程的建设和行政区划调整等力量的驱动。目前,快速发展的南京城郊结合部也面临很多问题,诸如用地粗放、城中村问题、基础设施和服务设施建设滞后、对生态和开敞空间的侵占等。认为这些问题的根源在于两个方面——城乡双轨体制造成的政策缺位和郊区政府的企业化行为。最后,对优化南京城郊结合部的发展提出若干建议。这些建议包括创新制度,消除城乡壁垒;有机疏散,有效控制城市蔓延;引导城郊结合部房地产和大学城的发展;加强外来人口管理,采用激活的方式改造城中村。

英文摘要：

This study investigates development mechanisms of Nanjing suburban area,and identifies three major driving forces underlying the rapid development of the area.These driving forces include suburban area-oriented new development strategy,mega-projects,and jurisdiction adjustment.Currently,the rapidly growing Nanjing suburban area is also facing many serious problems,such as unsustainable land use,problems of urban villages,lacks of infrastructure and services,and green belt erosion.The dual track urban-rural system and entrepreneur behaviors of local governments in Nanjing suburban area are major causes of these problems.To overcome these problems,some suggestions are proposed.These suggestions include institution innovation,clear demarcation of suburban area,efficient guidance for real estate and university towns＇ development in the suburban area,and enhancement of migrant administration and enabling urban villages.