乡镇居民点规模—功能系统耦合协调发展研究——以重庆市潼南区为例

借鉴耦合理论,建立了乡镇居民点规模-功能耦合系统,以潼南区为案例,采用熵权法、耦合协调度评价和空间集聚分析等方法,对2014年潼南区22个乡镇居民点规模-功能的耦合协调发展状态进行评价。研究发现,经济规模是乡镇居民点规模的主要决定因素。第三产业是影响居民点生产功能的主要因素,教育医疗则是影响生活功能的主要因素,建成区绿化面积是影响居民点生态功能的主要因素。潼南区乡镇居民点规模-功能耦合协调发展水平在空间上具有明显的单核结构特征,区域发展具有较大的不平衡性。大部分乡镇规模-功能耦合处于拮抗状态,规模滞后状态,规模、功能建设发展都处于低水平状态。应当积极培育县城以外的区域次级增长中心,以缩小区域发展的不平衡性。在村镇居民点的规划中,应重视居民点经济规模的地位与作用,以求更为合理的预测居民点规模,并规划建设居民点功能。

RESEARCH ON COUPLING AND COORDINATING DEVELOPMENT OF SCALE-FUNCTION SYSTEM IN TOWNSHIP SETTLEMENTS——A CASE STUDY OF TONGNAN DISTRICT IN CHONGQING,CHINA

In rural planning studies,population scale is usually used to represent the whole scale of settlements,but obviously it is not comprehensive and need to be improved.It is necessary to have a deep analysis in function and scale of settlements for decision-making in rural planning and development policies.Therefore,by looking into the existing literatures,this paper clarified the connotation of scale and function in rural settlements.By drawing lessons from coupling theory,we established the evaluation system about coupled and coordinated development of scale-function in township settlements.Using the Entropy Method,coupled and coordinated index analysis,and the ESDA methods,we analyzed the developing status about coupling system of scale-function in towns and streets in TongNan District.Results showed that economic scale was the main factor that influenced the scale of township settlements,while the second important factor was population scale,and the least impact factor was land scale.The tertiary industry was the main influencing factor of production function of township settlements,with education and medical service of living function,and afforested area of built-up district of ecological function.The coupling development level of township settlements of TongNan District had obvious characteristics of the single nuclear structure in space.Counties with Zitong street and Guilin street as the core took the leading position in scale expansion,function construction and scale-function coupling coordinated development degree.The regional development presented high inequality.The function and scale of township have significant correlations,forming a natural coupling system.The very essence of coordinated development about scale-function coupled system is a type of development that function and scale are both in synchronous and high-level development state in township settlements.The scale-function coupling system of most towns and streets of TongNan District are in antagonistic state,with scale and function both at a low level.We suggest that the sub-growth pole should be cultivated in order to diminish the inequality of regional development,and more attention should be paid to the status of economic scale of township settlements in rural planning for a more reasonable forecast of the scale of the residential area and more scientific planning and construction of residential function.