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논문 기본 정보

자료유형
학술저널
저자정보
Noh, Nam-Jin (Division of Environmental Science and Ecological Engineering, Korea University) Son, Yo-Whan (Division of Environmental Science and Ecological Engineering, Korea University) Kim, Rae-Hyun (Division of Environmental Science and Ecological Engineering, Korea University) Seo, Kyung-Won (Division of Environmental Science and Ecological Engineering, Korea University) Koo, Jin-Woo (Division of Environmental Science and Ecological Engineering, Korea University) Park, In-Hyeop (Department of Forest Resources, Sunchon National University) Lee, Young-Jin (Department of Forest Resources, Gongju National University) Lee, Kyeong-Hak (Korea Forest Research Institute) Son, Yeong-Mo (Korea Forest Research Institute)
저널정보
한국식물학회 식물학회지 식물학회지 제50권 제4호
발행연도
2007.1
수록면
461 - 466 (6page)

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초록· 키워드

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Above- and belowground biomass and nitrogen (N) and phosphorus (P) distribution within three Quercus acutissima stands were investigated in central Korea. The average age (year) and diameter at breast height (DBH, cm) were 10.8 and 7.9 for Stand 1, 38.2 and 17.1 for Stand 2, and 44.0 and 20.7 for Stand 3, respectively. Fifteen trees were destructively harvested for dimension analysis of component biomass (stem wood, stem bark, foliage, branches, and roots) plus N and P concentrations. Total biomass $(t\;ha^{-1})$ was 88.7 for Stand 1, 154.9 for Stand 2, and 278.1 for Stand 3 while N and P contents in all tree components $(kg\;ha^{-1})$ were 483.3 and 52.2,697.1 and 55.0, and 1113.9 and 83.7. Nitrogen concentrations were highest in the foliage, followed by the stem bark, branches or roots, and stem wood. In contrast, P concentrations were greatest in the roots, then foliage, branches, stem bark, and stem wood. In general, N and P concentrations in these components significantly decreased with tree age and DBH, while N and P contents significantly increased with age and size. These relationships were stronger for size than for age. Our current data could be utilized to estimate N and P budgets for silvicultural practices, including fertilization, thinning, and harvesting.

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