- Volume 21 Issue 2
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Assessing conservation priorities of unexecuted urban parks in Seoul using ecological network and accessibility analyses
생태네트워크와 접근성 분석에 의한 서울시 미집행 도시공원의 보전 우선순위 평가
- Kang, Wan-Mo (Department of Human Environment Design, Cheongju University) ;
- Song, Young-Keun (Dept. of Landscape Architecture, Graduate School of Environmental Studies, Seoul National University) ;
- Sung, Hyun-Chan (Environmental GIS/RS Center, Korea University) ;
- Lee, Dong-Kun (Dept. of Landscape Architecture and Rural Systems Engineering, Seoul National University)
- 강완모 (청주대학교 휴먼환경디자인학부) ;
- 송영근 (서울대학교 환경대학원 환경조경학과) ;
- 성현찬 (고려대학교 환경 GIS/RS 센터) ;
- 이동근 (서울대학교 농업생명과학대학 조경.지역시스템공학부)
- Received : 2018.03.19
- Accepted : 2018.04.30
- Published : 2018.04.30
This study aims to quantitatively evaluate the conservation priorities of unexecuted urban parks in Seoul both from an ecological and public perspective. To this end, two methodologies, ecological network analysis based on graph and circuit theory and accessibility analysis, were employed in order to assess ecological connectivity of and public accessibility to unexecuted parks, respectively. This study applied linkage-mapping methods (shortest path and current flow betweenness centrality) of connectivity analysis to an integrated map of landscape permeability. The population-weighted accessibility to unexecuted parks was measured based on a negative exponential distance decay function. As a result, for both ecological connectivity and accessibility, Gwanaksan, Suraksan, and Bulamsan urban natural parks are found to be the most important (rank 1-3) to be conserved. For these sites, inner park areas with conservation priorities for connectivity and accessibility were identified. The findings of the study can be used for giving conservation priority to the unexecuted urban parks in terms of long-term sustainable urban planning.
Betweenness;Connectivity;Ecosystem services;Graph theory;Urban natural park;Urban neighborhood park
Supported by : 환경부
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