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作者

来源

URBAN FORESTRY & URBAN GREENING,Vol.37,P.126-134

语言

英文

关键字

Italy; Network analysis; Residential areas; Urban atlas; Urban settlements; ENVIRONMENTAL IMPACTS; NETWORK ANALYSIS; GROWTH; SPACE; BENEFITS; SPRAWL; INFRASTRUCTURE; FORESTS; ACCESS; LAND

作者单位

[Quatrini, Valerio; Corona, Piermaria] Res Ctr Forestry & Wood, Consiglio Ric Agr & Anal Econ Agr CREA, Viale S Margherita 80, I-52100 Arezzo, Italy. [Tomao, Antonio; Ferrari, Barbara; Masini, Emanuela; Agrimi, Mariagrazia] Univ Tuscia, Dept Innovat Biol Agrofood & Forest Syst DIBAF, Viterbo, Italy. Tomao, A (reprint author), Univ Tuscia, Dept Innovat Biol Agrofood & Forest Syst DIBAF, Viterbo, Italy. E-Mail: antonio.tomao@unitus.it

摘要

Urban Green Areas (UGAs) are Green Infrastructure (GI) elements widely known as a framework for applying Nature-Based Solutions (NBS), as they may preserve and increase environmental values in urbanized contexts by supporting a wide range of ecosystem services. Accessibility and usability of UGAs are important indicators of the environmental quality of urban areas to be considered in the sustainable governance, management, and design of metropolitan areas. In such a context, the present study aims at assessing accessibility and usability of UGAs from both old and new residential settlements of the 15 administrative units of the Rome municipality, considered an exemplificative case of a Mediterranean city which, in recent decades, has been subjected to a rapid transition from a 'compact growth' model to a more 'dispersed' one. Firstly, we used the European Urban Atlas geodatabase to identify and map residential areas, including those established between 2006 and 2012. Secondly, we performed a network analysis to assess the distance between urban settlements and the closest UGA access point. Ancillary data were used to check the presence of facilities and therefore to assess the usability of UGAs. 57% of residential settlements have accessible UGAs in their surroundings, but the percentage is much lower (25%) if we consider those established between 2006 and 2012. This evidence was also found at administrative unit scale. Equally, the share of population that can benefit from accessible UGAs is lower in the new settlements, notably in the more peripheral administrative units. The usability of accessible UGAs exceeds 80% in the whole study area. The proposed methodology could be applied in similar contexts, as a useful tool for urban planners and decision makers to (i) support the assessment of the quality of life of people living in new residential settlements; (ii) design new UGAs in order to increase accessibility to green spaces, and therefore the value of newly built-up areas. The implications of, future perspectives of and need for sustainable urban planning in the light of the NBS framework are reported and discussed.