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http://dx.doi.org/10.13047/KJEE.2013.27.6.704

Mapping of the Damaged Forest by Oak Wilt Disease in Bukhansan National Park  

Yeum, Jung-Hun (Dept. of Landscape Architecture, Graduate School, Univ. of Seoul)
Han, Bong-Ho (Dept. of Landscape Architecture, College of Urban Sciences, Univ. of Seoul)
Choi, Jin-Woo (Environmental Ecosystem Research Foundation)
Jeong, Hee-Un (Dept. of Landscape Architecture, Graduate School, Univ. of Seoul)
Publication Information
Korean Journal of Environment and Ecology / v.27, no.6, 2013 , pp. 704-717 More about this Journal
Abstract
This study aims to provide basic data for management and prevention of infection damage by Oak wilt disease through mapping method of status with infected level in damaged area of Bukhansan National Park. Survey was carried out in the distributed area of oak trees with mapping unit of polygon of actual vegetation and mapped of infection ratio and infection index applying weight according to infected level. Infection ratio of oak trees in Bukhansan National Park was 58.5%, and lightly damaged ratio was 29.6%, half of the damaged ratio was 16.1%, seriously damaged ratio was 8.8% and withered ratio was 4.1%. It was serious to be infected from Beomgol ridge in Wondobong district to Hyeongjaebong in Jeongrung district. Although the infected ratio of the western part of Songchu district, Sanseong district and Gugi district centering main ridge of Bukhansan National Park was low, it of ridge and main valley was high. Infection index of hardly damaged area was 39.1% of whole area, and slightly damaged area was 41.0%, half of the damaged area was 16.1%, seriously damaged area was 3.3% and alarmed withering area was 0.4%. Infection index was high around Musugol valley in Dobong district and Jaunbong, and it of Bohyunbong of Jeongrung district and the part of Hyojari valley of Sanseong district was serious. Predicted numbers of the trees affected Oak wilt disease compared to the distributed area of oak trees was 1,585,937 trees among 2,709,147 trees of Quercus spp. 352,931 trees among the 306,161 trees of oak were infected in Woi district, the most seriously infected area and 53,141 trees among the 145,747 trees of oak was infected in Gugi district, the most slightly infected area.
Keywords
BIOTOPE; Querqus spp.; INFECTION RATIO; INFECTION INDEX;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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