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• A research framework of “potential supply/demand–pressure/accessibility–actual supply/demand” for urban park green space recreational services was proposed. • The framework quantifies the supply, demand, and flow of services in a theoretically and quantitatively consistent manner. • The framework makes the evaluation results of recreational services in different regions and the evaluation results of the same research area at different periods comparable.The number of characters in Highlights cannot be reduced any further, otherwise the content of the paper cannot be accurately expressed. • The number of characters in Highlights cannot be reduced any further, otherwise the content of the paper cannot be accurately expressed. Regular recreational activities in urban park green spaces are beneficial to the physical and mental health of residents. The supply capacity of, the residents’ demand for, and the actual flow of recreational services must be distinguished and evaluated to promote the fair and reasonable layout of urban park green spaces. However, the unit dimensions of the supply, demand, and flow indexes of recreational services are often inconsistent or only in simple semiquantitative forms, which cannot be directly compared and analyzed. Thus, this study constructed a research framework of “potential supply/demand–pressure/accessibility–actual supply/demand” for recreational services, and the framework was tested using the central urban area of Xuchang as the experimental area. Results show the following: (1) A spatial mismatch exists in the supply–demand relationship of recreational services in the study area; this relationship is reflected in the semicircular layer structure from the central and southern areas to the periphery, changing from shortage of supply to oversupply. (2) The actual supply of recreational services is highly correlated with the number of people served, which can explain 50.38% of the change in the actual supply. (3) The potential demand for recreational services is highly correlated with the actual demand. It can explain 78.96% of the change in the actual demand. (4) Accessibility is a non-critical factor affecting the travel rate of residential quarters, while supply pressure is a key factor affecting the utilization rate of park green space. The framework can effectively identify important or low-utilization service-providing areas, unmet service-demanding areas, and important service-connecting areas. It is suitable for the study of the relationship between the supply, demand, and flow of user movement-related services.
Xu et al. (Sun,) studied this question.