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http://dx.doi.org/10.13047/KJEE.2017.31.2.252

Feasibility of Green Network in a Highly-dense Urbanized Area by Introducing Urban Gardens  

Choi, Heejoon (Department of Landscape Architecture, Graduate School of Environmental Studies, Seoul National University)
Lee, Junga (Ecological Engineering Institute NEXUS Group)
Sohn, Heejung (Department of Landscape Architecture, Graduate School of Environmental Studies, Seoul National University)
Cho, Donggil (Ecological Engineering Institute NEXUS Group)
Song, Youngkeun (Department of Landscape Architecture, Graduate School of Environmental Studies, Seoul National University)
Publication Information
Korean Journal of Environment and Ecology / v.31, no.2, 2017 , pp. 252-265 More about this Journal
Abstract
This study aims to analyze the landscape ecological characteristics of green spaces within built up area of high density and evaluate the potential applicability of green patches, thereby introducing urban garden for generating green networks in residence areas. To this end, Yeoksam-Dong was selected as the site area since it is classified as both green initiative zone and alienated area of park service in Seoul. First, the current condition of green spaces in Yeoksam-Dong was identified by five categories: Street trees, private garden, public pocket garden, rooftop garden, and park. Then, the landscape index analysis through FRAGSTATS and connectivity assessment via multi-buffer zone analysis were carried out for analyzing the green networks and evaluating the potential value of green space. The results showed that the degree to which green areas in the site were distributed is arranged in the order of street tree, private garden, public pocket garden, park, and rooftop garden. In case of the street trees whose total core area (TCA, $1,618m^2$) is as high as the park's ($1,128m^2$). Private garden has potential for green network in built up area of high density by gardening since the shape of the patches are irregular (ED = 78.1m/ha) and the average distance among the patches is close (ENN=33.9m). Public pocket garden has also potential for gardening according to the result that it was found to be distributed evenly (LPI=5.7%, SHEI=0.9) with exposing external disturbance ($TCA=66m^2$). For the green network, 84% of all the study site is covered by small green network in 50m butter range of connected green area. The effect of green network was expected through gardening in public pocket garden (27%) and street tree (26%). Accordingly, it is encouraged to actively utilize street tree, private gardens, and rooftop gardens and to establish the urban gardens like local-based community gardens in public pocket garden where a variety of activities can be carried out near residential areas. By doing so, green networks can effectively be established in built up area with high density. The results of this study can contribute positively to fostering the creation of various types of urban gardens.
Keywords
ECOLOGICAL NETWORK; MULTI-BUFFER PROCEDURE; LANDSCAPE INDICES; STREET GARDEN; COMMUNITY GARDEN;
Citations & Related Records
Times Cited By KSCI : 14  (Citation Analysis)
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