Publication | Open Access
Forest Vegetation Types and Growth Characteristics of Seongin-bong in Ulleung Island, Korea
12
Citations
4
References
2007
Year
Ulleung IslandGrowth CharacteristicsBiodiversityForest Vegetation TypesEngineeringBotany0.2-0.6 CmWoody PlantMechanical EngineeringForestryTree GrowthPlant Ecology0.46-0.62 CmVegetation ScienceForest BiologyDeforestation
울릉도 성인봉 일대 산림 식생유형과 생장특성을 분석하기 위하여 중요치, 직경급, 연륜을 분석하였다. 식생유형은 1개 그룹으로 구분되었으며 조사지에 대한 <TEX>$100m^2$</TEX>당 <TEX>$17{\sim}21$</TEX>종이 출현하였으며 목본성과 초본성의 중요치의 경우 솔송나무-섬잣나무와 너도 밤나무-회솔나무의 유형의 목본성이 각각 68%와 54%로 목본성이 초본성보다 높게 나타났으며 나머지 그룹에서는 목본성이 <TEX>$47{\pm}2%$</TEX>, 초본성이 <TEX>$53{\pm}2%$</TEX>로 나타났다. 대부분의 임분유형에서 경급이 고르게 분포하고 지속적인 생장을 나타내고 있어 시간이 지남에 따라 안정된 임분을 형성할 것으로 판단되었다. 본 조사지에서 가장 넓게 분포하고 있는 너도밤나무의 연생장량은 <TEX>$0.46{\sim}0.62cm$</TEX>로 다른 경쟁 교목성 수종과 비교하여 빠른 생장량을 나타내었다. 교목성 활엽수종들은 대체적으로 <TEX>$0.2{\sim}0.6cm$</TEX>사이에서 연평균 직경생장을 나타내었으며, 섬잣나무와 솔송나무는 0.38 cm, 회솔나무는 0.1cm이하의 직경생장을 나타내었다. Forest vegetation types and growth characteristics of Seongin-bong at Ulleung Island in Korea were studied by using importance values, distributions of diameter classes, and annual growth analysis. Vegetation types were classified into 7 groups. The number of existing woody plant and herbaceous plant species varied from 17 to 21 species per <TEX>$100m^2$</TEX>. In case of life-forms importance values, woody and herbs showed average values of 47% and 53% across 5 groups. But in Tsuga sieboldii-Pinus parviflora and Fague engleriana- Taxus cuspidata var. latifolia groups, woody importance values were 68% and 54%, respectively. Diameter classes in most stand types were regularly distributed and showed continuous growth in annual diameter growth. from these results, this site is expected to maintain a stable vegetation structure continuously. F. engleriana, which forms major species in this site, showed 0.46-0.62 cm in annual average diameter growth. The annual average diameter growth of broad-leaved tree species was 0.2-0.6 cm, while the growth rate of T. sieboldii and P. parviflora was 0.38 cm and that of T. cuspidata var, latifolia was below 0.1 cm.
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