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Forest Structure in Relation to Slope Aspect and Altitude in valley Forests at Hambaeksan Area  

박인협 (순천대학교 농업생명과학대학)
최윤호 (순천대학교 농업생명과학대학)
이석면 (전라남도 산림환경연구소)
최영철 (국립수목원)
유석봉 (전라남도 산림환경연구소)
Publication Information
Korean Journal of Environment and Ecology / v.15, no.4, 2002 , pp. 361-368 More about this Journal
Abstract
The valley forests located at the east-facing slope and the west facing slope in Hambaeksan area were studied to investigate forest structure in relation to aspect and altitude of the slope. There was little difference in density. mean DBH and basal area of the tree layer between east-facing slope and west-facing slope. The importance percentages of Tilia amurensis and Betula costata in west-facing slope were higher than those in east-facing slope. However, the importance percentages of Quercus mongilica and Fraxinus rhynchophylla in the west facing slope were lower than those in east-facing slope. Species diversity of the west-facing slope was 1.415 and that of the east-facing slope was 1.328. Elevation trends were also found for forest structure. As elevation Increased basal area and mean height of the tree layer decreased in both of east-facing slope and west-facing slope. There was a tendency that number of species, species diversity and evenness decreased with increasing elevation. The importance percentage of Quercus mongolica increased with increasing elevation while those of Betula costata and Maackia amurensis decreased. The result of cluster analysis for the tree and subtree layer indicated that the studied forests were classified into the mixed forest community of broad-leaved tree species at west-facing slope and the low and middle elevation belts of east-facing slope and Quercus mongolica community at the high elevation belt of east-facing slope. Quercus mongolica was significantly and positively correlated with Symplocos chinensis for. pilosa, Acer tschonoskii var. rubripes and deutzia glabrata. Betula costata was significantly and negatively correlated with Quercus mongolica and Acer pseudo-sieboldianum.
Keywords
IMPORTANCE PERCENTAGE; SPECIES DIVERSITY; CLUSTER ANALYSIS; SPECIES CORRELATION;
Citations & Related Records
연도 인용수 순위
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