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이경수 ( Kyung Su Lee ),정태영 ( Tae Young Jung ),박철하 ( Chull Ha Park ),한주환 ( Ju Hwan Han ),이귀용 ( Gui Yong Lee ),구창덕 ( Chang Duck Koo ) 한국산림과학회 2012 한국산림과학회지 Vol.101 No.4
Berchemia berchemiaefolia is a rare and endangered species and important as a honey resource. The purposes of this study were to investigate physical environmental factors and the population and community structure of Berchemia berchemiaefolia stands at Mt.Gunja in Sogrisan National Park in Chungcheongbuk-do. The B berchemiaefolia stands belonged to deciduous forests in mid-temperate zone and were 5~25˚ in slope 30~90% in rock ratio and 6.37 in soil pH. They had 656 trees within the area of 36 ha and their average density was 18.2 trees per ha. The trees within the stands were 11.8m in tree height 22.6 cm in DBH and 56 years old. The number of branched stems was the maximum 8 and 32.9% of the trees were branched. B. berchemiaefolia trees over 12cm diameter occupied 89.9% but young B. berchemiaefolia did only 11%. The structure of B. berchemiaefolia stands were classified into three groups as Acer pseudo-sieboldianum & A. mono community group A. pseudo-sieboldianum & Quercus aliena community group and B. berchemiaefolia & Quercus serata community group. The mean importance value of B. berchemiaefolia was 10.9% while species diversity of the community ranged 0.77~1.31 and interspecific competition ranged 0.78~0.94. The dominance of the community ranged of 0.07~0.29 and the evenness ranged 0.71~0.93. Although B. berchemiaefolia was dominant in the habitat but the species was already in natural successional stage to cornus controversa or Ulmus davidiana var. japonica.
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