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2010—2020年中国市域城镇化与生态环境协调状态的空间分异及影响因素

Spatial differentiation and influencing factors of the coupling coordination degree of urbanization and eco-environment in China at city-level from 2010 to 2020

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【作者】 何志远杨振凯丁志伟王世鹏李晗

【Author】 HE Zhiyuan;YANG Zhenkai;DING Zhiwei;WANG Shipeng;LI Han;The College of Geography and Environmental Science, Henan University;Key Laboratory of Geospatial Technology for the Middle and Lower Reaches of the Yellow River, Ministry of Education, Henan University;Research Center of Regional Development and Planning, Henan University;National Demonstration Center for Environment and Planning, Henan University;

【通讯作者】 丁志伟;

【机构】 河南大学地理与环境学院河南大学黄河中下游数字地理技术教育部重点实验室河南大学区域发展与规划研究中心河南大学环境与规划国家级实验教学示范中心

【摘要】 城镇化与生态环境协调平衡是提升城市品质的重要举措,也是推进新型城市建设的内在要求。基于构建的城镇化与生态环境系统综合评价指标体系,引入耦合协调模型对2010—2020年中国市域城镇化与生态环境系统的耦合协调度进行测度并分析其影响因素。结果表明:(1)从空间分布格局来看,城镇化发展水平整体呈现京津冀、长三角、珠三角地区领先,成渝、中部地区中等,西南、西北地区相对落后的分布特征;生态环境建设水平呈现出“南高北低,多点开花”的分布特征。(2)从空间关联格局来看,城镇化发展水平和生态环境建设水平皆呈现明显的集聚现象,且以HH、LL区分布为主。其中城镇化发展水平显著LL区主要在西部地区集中分布,大范围低值集聚态势明显,反映出该地区城镇化有待进一步发展;生态环境建设水平显著HH区主要在东南地区集中分布,显著LL区主要在西部和东北地区,反映出广大西部和北方地区的生态环境欠佳。(3)从耦合协调度来看,两大系统之间的磨合作用持续向好,轻度失调及以下协调发展类型的城市数量不断下降,整体迈入转型发展阶段。在空间分布上东部沿海地区整体的耦合协调度水平高于内陆地区。从城镇化与生态环境耦合协调关系看,在研究期总体上呈均衡发展状态,但是有向生态环境滞后型发展趋势。在空间分布上呈南-北差异化格局,2020年生态环境滞后型南北方城市之比为4∶6。(4)从影响因素看,城镇化状态、城市和谐状态、城市总体生态状况、城市对生态环境治理投入程度、城市绿色低碳建设程度以及水资源利用情况这几个方面均有重要解释作用。

【Abstract】 Coordination and balance between urbanization and eco-environment is an important measure to improve the quality of cities and an inherent requirement to promote the construction of new cities. Based on the comprehensive evaluation index system of urbanization and ecological environment system, the coupling coordination model was introduced to measure the coupling coordination degree of urbanization and eco-environment system in China′s municipal area from 2010 to 2020 and analyzed its influencing factors. The results show that:(1) From the spatial distribution pattern, the development level of urbanization as a whole has a lead in the distribution characteristics for Beijing-Tianjin-Hebei, Yangtze River Delta and Pearl River Delta regions, medium in Chengdu-Chongqing and central regions, and relatively backward in southwestern and northwestern regions; and the level of ecological environment construction presents the distribution characteristics of “high in the south, low in the north, and blossoming in many points”.(2) From the viewpoint of spatial correlation pattern, the urbanization development level and eco-environment construction level both show obviously clustering phenomenon, and the distribution is dominated by High-high and Low-low districts. Among them, the significant LL zone of urbanization development level is mainly concentrated in the western region, and the wide range of low-value agglomeration is obvious, reflecting that the urbanization of the region needs to be further developed; the significant HH zone of eco-environment construction level is mainly concentrated in the southeastern region, and the significant LL zone is mainly located in the western and northeastern regions, reflecting that the ecological environment in the western and northern regions is not good enough.(3) From the coupling and coordination degree, the grinding effect between the two systems continues to be good, the number of cities with mild or lower levels of dysregulation and coordination development types is constantly decreasing. The whole has stepped into the stage of transformation and development. In terms of spatial distribution, the coupling coordination degree in the eastern coastal region is higher than that in the inland region. From the perspective of the coupling and coordination relationship between urbanization and ecological environment, there is a general balance in the development of these two processes during the study period. However, there is an emerging trend towards lagging ecological environments, with varying spatial distribution from south to north. By 2020, the ratio of cities experiencing ecological environment lag in the south and north was 4∶6.(4) In terms of influencing factors, the urbanization rate, the urbanization status, urban harmony status, overall urban ecological condition, the level of investment in urban eco-environment governance, the level of green and low-carbon construction in cities, and water resource utilization all play an important role in explaining the situation.

【基金】 国家自然科学基金项目(42271213,42301237);河南省研究生教育改革与质量提升工程项目(YJS2024SZ26)
  • 【文献出处】 生态学报 ,Acta Ecologica Sinica , 编辑部邮箱 ,2024年12期
  • 【分类号】X321;F299.21
  • 【下载频次】160
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