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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국습지학회 한국습지학회지 한국습지학회지 제1권 제1호
발행연도
1999.1
수록면
29 - 44 (16page)

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Vegetation structure and distribution of the vascular ar hydrophytes and hygrophytes, and the growth pattern, standing crop and amounts of nutrient uptake by Salix species were investigated in the upper stream wetlands of the Namgang-Dam, ChinJu-city, Gyeongsangnam-do, Korea from April to November in 1997. The flora was composed of 43 hydrophytes and 241 hygrophytes, α total 284 vascular plants. The life from of the hydrophytes were classified as 27 kinds of emergent plants, 4 floating-leaved plants. 3 free-floating plants, and 9 submersed plants. In the herb layer, the dominant species was Persicaria hydropiper, and the ranges of the species diversity indices (H'). equitabilities. (J') and community similarity indices (CCs) were 1.59-1.89, 0.87-0.96, and 0.35-0.83, respectively. In the shrub and subtree layers, 17 kinds of Salix species were supposed to the pioneer plants at the early stage of the succession. The number of branches per main stem of Salix species was 5.0. The DBH class-frequency histograms of Salix species were the reverse J type, and the natural regeneration of the Salix community was expected. Basal area of Salix species per square meter was 24.87 ㎠. Volume of Salix species per square meter was 12,008 ㎤ and total phytomass of the Salix species was estimated as 12,894 ton. Biomass distribution of Sallx species in the stem. the branch and twig. and the leaf was 64.1 %. 28.1%. and 7.8% respectively. The amounts of nitrogen and phosphorus absorbed by Salix species were 68,022 and 19.823kg. It was recommended that application and conservation of the wetland and other counterplans are indispensable to reduce the adverse effects of water pollution and to preserve the wetland ecosystem.

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