西南县域村镇体系结构的网络化趋势研究——以重庆市长寿区为例  

Research on Networking Trend of the Structure of Towns and Villages System in Southwestern Counties:Taking Changshou District of Chongqing as an Example

作　　者：胡东洋 黄勇[2,3] 石亚灵 HU Dongyang;HUANG Yong;SHI Yaling

机构地区：[1]成都市规划设计研究院 [2]重庆大学建筑城规学院 [3]重庆大学山地城镇建设与新技术教育部重点实验室 [4]成都理工大学旅游与城乡规划学院 [5]清华大学建筑学院

出　　处：《城乡规划》2023年第4期85-96,共12页Urban and Rural Planning

基　　金：“十三五”国家重点研发计划“村镇空间扩展的时空模拟关键技术”(项目编号:2018YFD1100804)。

摘　　要：探究村镇体系结构的网络化趋势对于城乡村镇空间结构的优化具有重要意义。文章以城乡要素流动显著的重庆市长寿区为例,运用复杂网络分析法,构建1985年和2018年基于企业网络、用地权重和公路网络的村镇体系结构网络模型,通过计算网络外部指数等指标,研究村镇体系结构的网络化趋势特征。研究发现,村镇体系结构的整体演化特征呈网络化趋势,且组团演化特征由“核心—边缘”向扁平化转变,节点演化特征反映出多中心化的趋势。基于此,文章提炼村镇体系结构网络化趋势由单中心、等级化、破碎化,向网络化、多中心、扁平化转变,并提出结构优化、空间结构趋势预判和政策支撑策略。本研究可为西南县域村镇体系结构的研究提供思路借鉴。Exploring the networking trend characteristics of the structure of villages and towns system is of great significance for optimizing the spatial structure of urban-rural areas.This paper takes the Changshou District,which experiences a significant flow of urban and rural elements,as an example.By using complex network analysis,a network model of the villages and towns'spatial structure is constructed based on enterprise networks,land use weights,and road networks in 1985 and 2018.The network externality index and other relevant indicators are calculated to investigate the networking trend characteristics of the structure of villages and towns system.The results indicate that the overall evolutionary characteristics of the villages and towns structure shows a networking trend,the cluster evolutionary characteristics of groups changes from"core-periphery"to"flattening",and the node evolutionary characteristics reflects the trend of"polycentrism".Based on this,the networking trend of the villages and towns system structure is refined from"single-centered,hierarchical,fragmented"to"networkization,multi-centralization,and discretization',and proposed the strategies of villages and towns system spatial structure optimization,trend prediction and supporting policy.This study can provide a reference for the study of the system structure of villages and towns in southwestern counties.

关 键 词：村镇体系 空间结构 网络化趋势 复杂网络 县域 

分 类 号：TU984[建筑科学—城市规划与设计]