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<p>The stabilization and enhancement of water ecosystem resilience during urbanization is crucial for synergistically advancing urban sustainability and ecological civilization. This study investigated the evolutionary adaptation mechanism between urbanization and water ecosystem resilience from an ecosystem service perspective, integrating the urbanization development curve with the environmental Kuznets curve. Using an adaptive assessment model, this paper examined the temporal evolution, regional disparities, and distribution of adaptation types for urbanization and water ecosystem resilience across 111 cities in the Yangtze River Economic Belt (YREB), and analyzed the convergence characteristics of adaptation levels by the spatial convergence model. The results indicate that: (1) From 2006 to 2022, the water ecosystem resilience of the YREB and its three major regions (eastern, central, and western) exhibited a slight declining trend. The eastern region demonstrated the smallest cost to water ecosystem resilience resulting from urbanization, whereas the western region experienced the greatest impact. The degree of adaptation between urbanization and water ecosystem resilience showed considerable fluctuation with an overall increasing trend, characterized by a spatial gradient of east &gt; central &gt; west. (2) At the city level (111 cities in total), the adaptation states of urbanization and water ecosystem resilience were dominated by high adaptability across the YREB as a whole, as well as in its eastern and central regions. In contrast, the western region was primarily characterized by basic adaptability. (3) There is a significant convergence effect of the adaptation between urbanization and water ecosystem resilience, with conditional convergence proving more reliable than absolute convergence. City scale and population size exerted significant negative effects on conditional convergence, while investment in urban water supply infrastructure and scientific and technological innovation showed significant positive effects. The evolutionary pattern of urbanization adaptation to water ecosystem resilience represents a fundamental aspect of sustainable development in river basin cities. Understanding this relationship enables government authorities to guide both urbanization and ecological conservation based on the specific adaptation levels of regions and cities.</p>

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Sustainability of cities in watershed: the evolution and its Spatial convergence of adaptability between urbanization and water ecosystem resilience

  • 期刊论文

  • 发表日期：

    2025年12月5日

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  • Shaofang Zhang,
  • Chengsheng Yao,
  • Lin Huang

摘要

The stabilization and enhancement of water ecosystem resilience during urbanization is crucial for synergistically advancing urban sustainability and ecological civilization. This study investigated the evolutionary adaptation mechanism between urbanization and water ecosystem resilience from an ecosystem service perspective, integrating the urbanization development curve with the environmental Kuznets curve. Using an adaptive assessment model, this paper examined the temporal evolution, regional disparities, and distribution of adaptation types for urbanization and water ecosystem resilience across 111 cities in the Yangtze River Economic Belt (YREB), and analyzed the convergence characteristics of adaptation levels by the spatial convergence model. The results indicate that: (1) From 2006 to 2022, the water ecosystem resilience of the YREB and its three major regions (eastern, central, and western) exhibited a slight declining trend. The eastern region demonstrated the smallest cost to water ecosystem resilience resulting from urbanization, whereas the western region experienced the greatest impact. The degree of adaptation between urbanization and water ecosystem resilience showed considerable fluctuation with an overall increasing trend, characterized by a spatial gradient of east > central > west. (2) At the city level (111 cities in total), the adaptation states of urbanization and water ecosystem resilience were dominated by high adaptability across the YREB as a whole, as well as in its eastern and central regions. In contrast, the western region was primarily characterized by basic adaptability. (3) There is a significant convergence effect of the adaptation between urbanization and water ecosystem resilience, with conditional convergence proving more reliable than absolute convergence. City scale and population size exerted significant negative effects on conditional convergence, while investment in urban water supply infrastructure and scientific and technological innovation showed significant positive effects. The evolutionary pattern of urbanization adaptation to water ecosystem resilience represents a fundamental aspect of sustainable development in river basin cities. Understanding this relationship enables government authorities to guide both urbanization and ecological conservation based on the specific adaptation levels of regions and cities.