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王甫园,王开泳,刘汉初.珠三角城市群生态空间游憩服务供需匹配性评价与成因分析——基于改进的两步移动搜寻法.生态学报,2020,40(11):3622~3633 本文二维码信息
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珠三角城市群生态空间游憩服务供需匹配性评价与成因分析——基于改进的两步移动搜寻法
Evaluation and influence factors of spatial accessibility of ecological space recreation service in the Pearl River Delta Urban Agglomeration: a modified Two-step Floating Catchment Area method
投稿时间:2019-01-06  修订日期:2020-01-20
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基金项目国家自然科学基金项目(41871151);国家自然科学青年基金项目(41901181);中国博士后科学基金资助项目(2018M641457)
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wangky@igsnrr.ac.cn 
  
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摘要:
随着休闲时代的来临,生态空间的游憩服务功能越来越受到重视。揭示生态空间游憩服务供需匹配性格局及其成因,对于优化城市群公共游憩空间布局、提升居民福祉至关重要。以珠三角城市群为研究对象,采用改进的两步移动搜寻法对区域内生态空间游憩服务的供需匹配性格局进行评价,并综合分析其成因。研究结果得出:(1)研究区生态空间游憩服务供需匹配性分布特征表现出边缘——核心的圈层式结构,边缘区供需比高于核心区;(2)生态空间游憩服务供需匹配性分布的空间不公平性较大;(3)供需匹配性格局受自然和人文因素的综合影响,其中自然因素主要包括海拔、生态游憩空间分布,人文因素包括人口密度、区域工业化与城镇化格局、规划与政策。珠三角城市群城镇化和工业化模式造就了环境不公平性的现状,核心区生态游憩服务供给不足,人居环境质量较低。城市群景观生态结构优化应注重进行生态修复,优化生态游憩空间分布。未来新城新区建设时应借鉴生态城市建设理念,实现生态游憩空间与生活空间、生产空间协调发展。
Abstract:
Exploration of the accessibility of ecological space recreation service (ESRS), its driving forces and unfairness are very important to optimize the land use management and improve the well-being of residents in urban agglomeration area. Taking the Pearl River Delta Urban Agglomeration(PRDUA) as a case, the modified Two-step Floating Catchment Area method (2SFCA) was used to evaluate the supply-demand matching pattern of the ESRS and its influencing factors. The results showed that: (1) the accessibility of ESRS decreased from the marginal zone to the core region. (2) There was greater unfairness of accessibility of ESRS in the PRDUA. (3) The spatial pattern of accessibility was affected by both natural and human factors. The natural factors included elevation, ecological recreation space distribution, while human factors included population density, industrialization and urbanization pattern, urban planning and policy. The pattern of rapid urbanization and industrialization in the PRDUA led to the environmental unfairness. The low supply of ecological recreation service in the core area suggested that the landscape structure optimization of urban agglomeration should focus on the ecological restoration, optimize the spatial distribution of ecological recreation spaces, and promote the eco-city model when constructing new cities or new districts to realize the coordinated development of ecological recreation space, living space and production space.
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