수변지 4년생 포플러의 지상부 바이오매스 및 적응능력
Aboveground Biomass and Adaptability of Four-year-old Poplar in a Riparian Area
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수변완충림으로 조성된 4년생 포플러 5수종들에 대하여 바이오매스 및 적응능력을 조사하였다. 포플러들의 생존율은 평균 85.7%로 나타났고, 미루나무 교잡종 Dorskamp클론이 91.6%로 가장 우수하였다. 포플러 수종별 지상부 바이오매스는 미루나무 교잡종 97-19클론이 54.6 ton/ha으로 가장 높게 나타났으며, 수원포플러 Suwon클론은 17.7 ton/ha으로 다른 클론들에 비해 저조하게 나타났다. 식엽충에 의한 잎 피해는 미루나무 교잡종 97-19클론이 4.7로 나타나 가장 피해가 적었으며, 수원포플러 Suwon클론이 3.4로 피해가 가장 큰 것으로 나타났다. 생존율, 지상부 바이오매스, 수세 및 피해조사 등의 특성을 이용하여 산출한 포플러 수종별 수변지에 대한 적응능력은 미루나무 교잡종 97-19클론이 가장 높게나타났으며, 그 다음으로 Dorskamp클론이 높게 나타났다. 따라서, 미루나무 교잡종 97-19 및Dorskamp클론이 수변완충림 조성에 적합한 포플러 수종으로 판단된다.
Abstract
We estimated the above-ground biomass and the adaptability of four-year-old five poplars in ariparian buffer forest established in the Namhan River in Yang Pyeong, Korea. Average survivalrate of poplars was 85.7%. Populus deltoides hybrid clone 'Dorskamp' showed the best survivalrate of 91.6%. P. deltoides hybrid clone '97-19' showed the highest above-ground biomass,which was estimated as 54.6 ton/ha at age 4. On the other hand, P. koreana × P. nigra var. italica clone 'Suwon‘ showed the lowest in above-ground biomass. For leaf damage of poplars,the '97-19' seemed to have strong tolerant when compared to the other species. However,'Suwon’ showed the highest in leaf damage. '97-19' showed the best adaptability, which wasestimated with survival rate, biomass, vitality and damages by diseases and insects in riparianarea and followed by 'Dorskamp'. As the consequence, the two poplars seemed to be the bestcandidate poplar species for the establishment of riparian buffer forest.
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