分布上限におけるブナ林の構造と種類組成

概要

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Structure and floristic composition of a beech forest were studied at the upper limit (1470m in altitude) of the altitudinal distribution on Mt Tanigawa, central Japan. Trees bigger than 2cm in DBH were only three species, i. e., Fagus crenata, Quercus mongolica var. undulatifolia and Clethra barbinervis. Maximum tree height of these was 2.8m for F. crenata in the study plot (5m×5m), and the total basal area was 1.88m^2/ha. Crown depth diagram and H∿H_L ralation showed that the stratification of the beech forest was very simple, being only one layer of trees. The F. crenata population was considered to be stable by analyzing the DBH∿sequence relation. Plants found in and around the study plot were above three species, Thuja Standishii, Hamamelis japonica var. obtusata, Viburnum furcatum, Sorbus commixta, Acanthopanax sciadophylloides, Enkianthus campanulatus var. palibini, Magnolia salicifolia, Betula ermani, Rhododendron albrechtii, R. metternichii var. pentamerum and so on. Also Sasa kurilensis and S. paniculata were found.
群馬県立女子大学の論文
1983-03-31