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자료유형
학술저널
저자정보
저널정보
한국습지학회 한국습지학회지 한국습지학회지 제17권 제1호
발행연도
2015.1
수록면
45 - 52 (8page)

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초록· 키워드

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We obtained the following results from investigation on vegetation damage from 5 to 6 August, 2013, about one yearafter an accident that hydrofluoric acid leaked from a chemical maker, Hube Globe in Gumi. Pinus densiflora andPinus strobus showed very severe damage. Ginko biloba, Quercus acutissima, Pinus rigida, Salix glandulosa, Hibiscussyriacus, and Lagerstroemia indica showed severe damage. Quercus variabilis, Lespedeza cyrtobotrya, andMiscanthus sinensis showed moderate damage. Quercus aliena, Smilax china, Arundidinella hirta, Ailanthus altissima,Robinia pseudoacacia, and Paulowinia coreana showed slight damage. We did not find any plants without leafdamage around there. This result means that fluoride damage still persists in this area as was known that fluorideremains for a long time in air, soil and water and exerts negative effects at all levels of an ecosystem. In addition,fluoride content contained in plant leaf depended on the distance from a fertilizer producing factory and vegetationdamage tended to proportionate to the concentration in the Yeocheon industrial complex. In these respects, a measurefor removal or detoxification of the remaining fluoride is urgently required around the hydrofluoric acid leak spot. Fertilizing of dolomite containing Ca and Mg, which can trap fluoride, was prepared as one of the restoration plans. In addition, phosphate fertilizing was added in order to enhance soil ameliorating effects. Furthermore, werecommend the introduction of tolerant plants as the second measure to mitigate fluoride damage. As the tolerantplants to make a new forest by replacing trees died due to hydrofluoric acid gas damage, we recommended Q. alienaand S. china, A. hirta, etc. were recommended as plant species to add mantle vegetation to the forest margin to ensurestable interior environment of the forest.

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