Evolution of ecological recreation space distribution pattern in Beijing from 2000 to 2020
Ecological recreation space plays a pivotal role in ensuring the well-being of urban inhabitants.Given the increasing emphasis on livability and ecological development in metropolitan areas,coupled with the regionalization of residents'recreation activities,it becomes imperative to delve into the optimization of the comprehensive layout of ecological recreation spaces.This paper examines the distribution patterns,temporal evolution,and influencing factors of ecological recreation spaces in Beijing between 2000 and 2020.The following conclusions are drawn:(1)From 2000 to 2020,the spatiotemporal evolution of ecological recreation space in Beijing was characterized by three distinct phases:initial central urban area aggregation,subsequent mountain-based aggregation,and final expansion around these central urban areas.The overarching pattern transitioned from a singular-core aggregation to a dual-core model with multiple centers,culminating in a face-shaped continuity.This resulted in the distribution characteristics of ecological recreation spaces in the central urban area and new cities within plain areas being concentrated,while the mountainous areas have low-density spaces.(2)The distribution center of ecological recreation spaces has shifted along the northeast-southeast direction,experiencing a process of initial dispersion followed by concentration.The polarized effect of the increase in the number of ecological recreation spaces in the east-west orientation is more prominent,while the distribution of the increase in the number of ecological recreation spaces in the north-south orientation is relatively balanced and has multi-center characteristics.(3)The distribution of ecological recreation spaces within urban areas has a dependent relationship with elevation,water systems,transportation infrastructure,and ecological space,yet population demand and planning policies play pivotal roles in driving the increase in the number and expansion of these spaces in Beijing.This study suggests that metropolitan regions should enhance the coordination of ecological recreation space construction and design from a comprehensive regional perspective.It emphasizes the importance of optimizing the distribution of urban ecological recreation spaces,thereby promoting the refinement of urban territorial spatial structures and enhancing residents'well-being.
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