Key Laboratory of Regional Sustainable Development Modeling, Institute of Geographic Sciences and Natural Resources Research (IGSNRR), Chinese Academy of Sciences (CAS), 11A Datun Road, Chaoyang District, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.
School of Public Administration, Zhongnan University of Economics and Law, Wuhan 430073, China.
Sci Total Environ. 2021 Oct 1;789:148011. doi: 10.1016/j.scitotenv.2021.148011. Epub 2021 May 25.
Due to the high ecological vulnerability of the Pan-Third Pole region and the complexity of its ecological process, the impact of urbanization on the ecological environment (eco-environment) in this specific region attracts global attention. Here, we established an effective framework to evaluate the coupling coordination process of urbanization and eco-environment, and investigated the spatial distribution and dynamic evolution of this coupling coordination. Results showed that the Pan-Third Pole is undergoing an accelerated process of urbanization. Meanwhile, the overall eco-environment has profoundly changed from an ecological reserve to an ecological deficit. The coupling degree between urbanization and eco-environment shows an upward trend, and the decoupling process dynamically changes between various types. Regional convergence is remarkably embodied in the coupling and decoupling types. We found four coupling categories and three decoupling categories for the interaction between urbanization and eco-environment. Among them, the first coupling category contains 35 countries, which maintained a basically coordinated pattern with eco-environment lag. The initial urbanization level of the first category was higher than 35%, indicating that countries with higher urbanization levels were more likely to achieve coordinated development between urbanization and eco-environment. There was a noteworthy "path-dependence" in the evolution of the coordinated relationship between urbanization and eco-environment in the Pan-Third Pole. These findings will have important policy implications for decision-makers to explore coordination and sustainable development path for urbanization and eco-environment conservation.
由于泛第三极地区生态脆弱性高，生态过程复杂，城市化对该特定地区生态环境（生态环境）的影响引起了全球关注。在这里，我们建立了一个有效的框架来评估城市化和生态环境的耦合协调过程，并研究了这种耦合协调的空间分布和动态演变。结果表明，泛第三极地区正在经历城市化的加速过程。同时，整体生态环境已经从生态储备深刻地转变为生态赤字。城市化与生态环境之间的耦合程度呈上升趋势，解耦过程在各种类型之间动态变化。区域趋同在耦合和解耦类型中得到了显著体现。我们发现城市化和生态环境之间存在四种耦合类型和三种解耦类型。其中，第一耦合类包含 35 个国家，其与生态环境的滞后基本保持协调模式。第一类的初始城市化水平高于 35%，表明城市化水平较高的国家更有可能实现城市化与生态环境之间的协调发展。泛第三极城市化与生态环境协调关系的演变存在显著的“路径依赖”。这些发现将对决策者探索城市化和生态环境保护的协调与可持续发展路径具有重要的政策意义。
