Korean Journal of Remote Sensing (대한원격탐사학회지)

Korean Society of Remote Sensing (대한원격탐사학회)
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Spatial Analysis of Oak Wilt Disease in Bukhansan Mountain Park Using Spatial Data of Damaged Trees

피해목 위치자료를 이용한 북한산 국립공원 참나무시들음병 공간분석

  • Zhu, Yongyan (Department of Environmental Science and Ecological Engineering, Korea University) ;
  • Piao, Dongfan (Department of Environmental Science and Ecological Engineering, Korea University) ;
  • Lee, Woo-kyun (Department of Environmental Science and Ecological Engineering, Korea University) ;
  • Jeon, Seong-Woo (Department of Environmental Science and Ecological Engineering, Korea University)
  • ;
  • ;
  • 이우균 (고려대학교 환경생태공학과) ;
  • 전성우 (고려대학교 환경생태공학과)
  • Received : 2017.07.31
  • Accepted : 2017.10.12
  • Published : 2017.10.30
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Abstract

This study is a preliminary research conducted in Buhansan mountain National Park to develop a management system to predict and control oak wilt disease by indicating spatial factors which affect diffusion of the disease. After analysing altitude factor during the estimation of spatial analysis of damaged area, it is indicated that damaged trees are mainly distributed at altitude of 200-500 m and number decreased drastically over the altitude of 500 m. The result showed that 92% of total damaged trees are on slope between 20~40 degrees and the number decreased drastically on slope steeper than 40 degrees. It is indicated that damaged area is mainly distributed on southern aspect. It is estimated by using CART that slope factor affected the diffusion of disease mostly but aspect factor did not. Surface temperature and altitude showed similar effect.By simulating possible diffusion scenario, it is estimated that the disease could spread to DO-BONG Mt., northeast of Bukhansan mountain.

본 연구에서는 북한산국립공원을 대상으로 참나무시들음병 피해지내의 지형적 특성을 파악하고 피해확산 예측지도를 작성하였다. 피해대상지 고도인자 분석결과 피해목은 고도 200 m~500 m 사이에 많이 분포되어 있는 것으로 탐지 되었고, 고도 500 m 이상에서는 피해목수가 급격히 줄어드는 것으로 나타났다. 경사인자 분석결과 전체 92%의 피해목이 경사 20-40도 사이에서 탐지 되었고 경사 40도 이상에서는 피해가 급격히 줄어드는 것으로 나타났다. 방위 분석결과 주로 남향에서 피해가 많이 발생 되는 것으로 나타났다. 피해 대상지내에서의 참나무시들음병 피해목은 군집형태로 존재하는 것으로 나타났고 CART 분석결과 경사의 영향이 가장 큰 것으로 나타난 반면 방위의 영향은 적은 것으로 분석되었다. 그 다음으로 지표면 온도와 고도의 영향이 비슷하게 나타났고 CART 분석결과를 토대로 각 요소별 가중치를 적용하여 피해확산 예측지도를 작성하였다. 그 결과 북한산국립공원의 동북방향에 위치하여 있는 도봉산방향으로 피해가 확산 될 것으로 판단된다.

Keywords

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