The Korean Journal of Ecology

The Ecological Society of Korea (한국생태학회)
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Characteristics and Distribution Pattern of Eupatorium rugosum at Mt. Namsan in Seoul

서양등골나물의 생육특성과 남산에서의 분포

  • 서민환 (국립환경연구원 환경생물과) ;
  • 길지현 (국립환경연구원 환경생물과) ;
  • 김기대 (국립환경연구원 환경생물과) ;
  • 이유미 (임업연구원 중부임업시험장)
  • Published : 1997.08.01
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Abstract

The taxonomic characteristics of Eupatorium rugosum were reviewed and growth responses under different light intensities were investigated. Changes of soil and vegetation environments at experimental plots on Mt. Namsan were surveyed and the distribution pattern examined. The distribution of E. rugosum was closely related to the content of total nitrogen and available phosphorus in the soil. No competitors which could inhibit the growth of E. rugosum were present. Growth of E. rugosum was highest at a light intensity of 7, 500 lux, but dry weight was highest at a light intensity of 15, 000 lux followed by 30, 000 and 7, 500 lux. Growth in height of E. rugosum under a light intensity of 1, 500 lux continued even though the amount of growth was small. E. rugosum is found throughout the area of Mt. Namsan, and its density is higher at the roadside and in valley regions. E. rugosum appeared at 25 of 50 quadrats on Mt. Namsan, and the mean coverage of E. rugosum in survey quadrats was 12%.

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