Selection and Development of Key Settlements for the Living Circle——A Case Study of Dancheng County, Henan Province
基于中心地理论，以河南省郸城县为例，利用ArcGIS位置分配模型筛选出2个县城中心、7个重点镇和122个重点村，并讨论政府、农民、企业等主体在关键聚落公共服务发展中的作用。
Based on the central place theory, this study adopted theliving circleidea to examine the issue of public services allocation in Dancheng County, Henan Province. According the criteria of accessibility to the three levels of service centers, namely key village, the key town, and the county center, this study formulated a technical framework for key settlement selection. This study used the location and allocation model provided by ArcGIS10 and selected 2 county centers, 7 key towns, and 122 key villages. Next, this study discusses the role of government, farmer, company and other actors in developing public services in key settlements.