Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
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Vegetation Structure and Soil Properties of Ilex cornuta Population in Jeju Island

제주도 호랑가시나무개체군의 식생구조와 토양특성

  • Kwon, Hye-Jin (Department of Forestry Resources, Graduate School, Chungnam National University) ;
  • Lee, Ji-Hye (Department of Forestry Resources, Graduate School, Chungnam National University) ;
  • Kim, Mu-Yeol (Division of Biological Sciences, Chonbuk National University) ;
  • Lee, Jeong-Ho (Korea Forest Seed & Variety Center) ;
  • Song, Ho-Kyung (Department of Environment & Forestry Resources, Chungnam National University)
  • 권혜진 (충남대학교 대학원 산림자원학과) ;
  • 이지혜 (충남대학교 대학원 산림자원학과) ;
  • 김무열 (전북대학교 생물과학부) ;
  • 이정호 (국립산림품종관리센터) ;
  • 송호경 (충남대학교 산림환경자원학과)
  • Received : 2010.04.13
  • Accepted : 2010.12.30
  • Published : 2011.02.28
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Abstract

This study was carried out to analyze the vegetation and soil characteristic, and ordination of the Ilex cornuta population, in the Yongsu Reservoir of Jeju Island. The Ilex cornuta population was classified into Cudrania tricuspidata dominant population, Sageretia theezans dominant population, and Mallotus japonicus dominant population. In the study sites, soil organic matter(O.M.), total nitrogen(T.N.), available phosphorus($P_2O_5$), changeable potassium, changeable calcium, changeable magnesium and soil pH were 14.62~17.35%, 0.39~0.51%, 8.83~20.15mg/kg, 0.44~0.64cmol+/kg, 5.79~6.87cmol+/kg, 3.43~4.19cmol+/kg and 5.41~5.80, respectively. The Mallotus japonicus dominant population was mainly found in the high percentage of available phosphorus, organic matter. It was also showed the lowest concentration of exchangeable K, and Mg. Cudrania tricuspidata dominant population and Sageretia theezans dominant population were found in the low percentage of available phosphorus, organic matter and there were also showed the highest concentration of exchangeable K, and Mg. It is one of the evidence that Ilex cornuta community indicated an intensive site management likes clearance of creeper is proper habitat management protocol. Thus, further researches should be followed to determine the other disturbance factors as management techniques.

본 연구는 제주도 용수저수지 주변 호랑가시나무개체군을 식물사회학적 방법으로 분류하고, 식생과 토양과의 상관관계를 밝히고자 분포서열법에 의한 분석을 실시하였다. 호랑가시나무개체군은 꾸지뽕나무우점개체군, 상동나무우점개체군, 예덕나무우점개체군으로 분류되었다. 토양분석 결과 유기물함량 14.62~17.35%, 전질소함량 0.39~0.51%, 유효인산함량 8.83~20.15mg/kg, 치환성 K 0.44~0.64cmol+/kg, Ca 5.79~6.87cmol+/kg, Mg 3.43~4.19cmol+/kg이며, 토양 pH는 5.41~5.80인 것으로 조사되었다. 예덕나무우점개체군은 유효인산과 유기물함량이 많고 치환성 K, Mg의 양료가 적은 입지에 분포하는 것으로 분석되었다. 상동나무우점개체군과 꾸지뽕나무우점개체군은 유효인산과 유기물함량이 적고 치환성 K, Mg의 양료가 많은 입지에 분포하는 것으로 조사되었다. 호랑가시나무 자생지 보호를 위해 수관층을 피압하고 있는 덩굴식물 제거작업이 이루어져야 하며, 지속적인 생태모니터링과 자생지 보존을 위한 관리방안이 수립되어야 한다.

Keywords

References

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