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- W2034987758 abstract "본 연구에서는 그래프 이론을 적용하여 7대 광역시의 산림 연결성을 정량적으로 분석하였다. 다중공간규모의 전파 거리(100m~20km)에서 광역시별 산림 연결망의 전체 연결성을 평가하고, 소규모 산림(<10ha)이 연결성에 기여하는 정도를 측정하였다. 연구결과, 대구와 대전, 울산은 연결성이 높은 상위지역으로, 광주와 부산, 서울, 인천은 연결성이 낮은 하위지역으로 크게 양분화 되는 경향을 나타냈다. 소규모 산림들은 면적이 큰 산림들을 연결시키는 징검다리로서 특히 하위지역의 연결성을 크게 향상시키는 역할을 하였다. 생물 다양성에 중요한 연결성 보전을 위해서 상위지역에서는 잘 연결된 대규모 산림지역을 주요 거점으로 보전해야 한다. 하위지역에서는 우선적으로 연결성 유지에 중요한 소규모 산림들의 보전이 필요하다. 또한 연결성이 취약한 곳에 새로운 산림녹지를 조성해주는 전략이 요구된다. This quantitative research aims to examine the connectivity of forest networks in seven metropolitan cities of South Korea using a graph-theoretical approach. We first estimated an overall network connectivity at multi-scales (i.e., dispersal distances), ranging from 100 m to 20 km, and quantified the contribution of small forest patches (less than 10 ha) to the overall network connectivity by comparing networks according to the presence and absence of small ones. As a result, the cities were divided into two groups depending on the network connectivity; one group of cities with high connectivity such as Daegu, Daejeon, and Ulsan and the other group of cities with low connectivity including Gwangju, Busan, Seoul, and Incheon. The result showed that small forest patches, especially in the cities with low connectivity, played a key role as stepping stones that connect large forested patches, thereby contributing to maintaining connectivity. This study also suggests that large and well-connected forest areas may be the key factor to preserve the connectivity in the cities with high connectivity, while the cites with low connectivity are in need of some complementary strategies. Through the study, we suggest that the creation of new forest patches in the areas where a gap in connectivity presents is needed in order to improve connectivity; and that the conservation of the existing small forest patches is essential in order to maintain the current connectivity level." @default.
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- W2034987758 date "2014-06-30" @default.
- W2034987758 modified "2023-10-18" @default.
- W2034987758 title "Comparing Connectivity in Forest Networks of Seven Metropolitan Cities of South Korea" @default.
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- W2034987758 doi "https://doi.org/10.5532/kjafm.2014.16.2.93" @default.
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