SPATIAL DISPERSION OF URBAN MORPHOLOGICAL STRUCTURE AND MUNICIPAL FRAGMENT IN RELATION TO GREEN SPACE CHARACTERISTICS IN USA
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This study investigates the relationships among urban polycentricity, municipal fragment, and green space characteristics across metropolitan statistical areas (MSAs) in the United States. By employing spatial analysis and Ordinary Least Squares (OLS) regression models, the research specifically examines how dispersed urban morphological structures (polycentricity) and decentralized municipal fragmentation influence the scale, diversity, and landscape patterns of green spaces at different administrative levels. There are four main conclusions. First, distinct spatial heterogeneity in the relationship between polycentricity and green space characteristics across different U.S. region. Second, variation in the relationship between polycentricity and landscape indices at different green space management levels. Third, government institution density and polycentricity both exhibit a significant positive correlation with the area of city-managed green space. Fourth, both government institution density and polycentricity are significantly and positively associated with green space diversity. Finally, this research suggests that it is crucial to establish collaborative governance frameworks across administrative levels and sectors, encouraging diversified green space developments while maintaining overall coordination and integration at the regional scale.