Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Ecological Characteristics and Distribution of Rhododendron mucronulatum var. mucronulatum, R. dauricum, R. schlippenbachii on Mt. Changbai in China

중국 장백산(長白山) 일대의 진달래(Rhododendron mucronulatum var. mucronulatum), 산진달래(R. dauricum), 철쭉(R. schlippenbachii)의 분포 및 생태적 특성

  • Kang, Gui-Ok (Department of Horticultural Science, Graduate school, Chung-Ang University) ;
  • Xuan, Youngnan (Department of Horticultural Science, Graduate school, Chung-Ang University) ;
  • Ahn, Young-Hee (Department of Applied Plant Science, College of Natural Science, Chung-Ang University)
  • 강귀옥 (중앙대학교 대학원 원예과학과) ;
  • 현영남 (중앙대학교 대학원 원예과학과) ;
  • 안영희 (중앙대학교 식물응용과학과)
  • Received : 2011.03.04
  • Accepted : 2011.04.11
  • Published : 2011.04.30
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Abstract

The investigation was made about distribution and ecological characteristics of Rhododendron mucronulatum var. mucronulatum, R. dauricum and R. schlippenbachii on Mt. Changbai in China. The Ericaceae plants are known to be highly ornamental and easy to cultivate. The results of investigations are like followings. The plant species diversity was the highest in habitats of R. mucronulatum var. mucronulatum, followed by those of R. schlippenbachii and R. dauricum. R. mucronulatum var. mucronulatum community was found in the northwest exposure areas of 300m in altitude. Corylus heterophylla, Carex humilis var. nana, Atractylodes japonica species also grew in the R. mucronulatum var. mucronulatum community. R. dauricum communities were widely distributed in the west exposure areas of 1226-1860m above sea level. R. schlippenbachii populations were found in areas of under 300m above sea level, which has dry soil. But humidity of air was relatively high in the place. Artemisia japonica, Lespedeza bicolor and Dactylis glomerata were found around the habitats of R. schlippenbachii. Phalanx type of plants were dominant near the habitats of Ericaceae plants as 61%. Further, there appeared higher plant life totalling to 72 taxa comprising 54 species, 16 varieties and 2 forma with 31 families and 59 genuses at the whole survey area. Among these, Compositae plants excellent in resistance to environment was surveyed the most, accounting for 30.0%.

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