Journal of agriculture & life science (농업생명과학연구)

Institute of Agriculture & Life Science, Gyeongsang National University (경상대학교 농업생명과학연구원)
권호 표지

Vegetation Structure of Taxus cuspidata Communities in Subalpine Zone

아고산대 주목 군락의 식생구조에 관한 연구

  • Cho, Min-Gi (Dept. of Forest Environ. Res., Gyeongsang National University) ;
  • Chung, Jae-Min (Dept. of Forest Conservation, Korea National Arboretum) ;
  • Jung, Hye-Ran (Dept. of Forest Conservation, Korea National Arboretum) ;
  • Kang, Mee-Young (Gyeongsangnam-do, For. Environ. Res. Insti.) ;
  • Moon, Hyun-Shik (Dept. of Forest Environ. Res., Gyeongsang National University)
  • 조민기 (경상대학교 산림환경자원학과(농업생명과학연구원)) ;
  • 정재민 (국립수목원 산림자원보존과) ;
  • 정혜란 (국립수목원 산림자원보존과) ;
  • 강미영 (경상남도산림환경연구원) ;
  • 문현식 (경상대학교 산림환경자원학과(농업생명과학연구원))
  • Received : 2012.03.26
  • Accepted : 2012.10.25
  • Published : 2012.10.31
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Abstract

This study analyzed on the characteristics of vegetation structure, species composition and DBH class distribution in order to conservation and effective management for Taxus cuspidata community in Mt. Seorak, Mt. Balwang, Mt. Taebaek, and Mt. Odae. The vegetation in upper, subtree and shrub layer was consist of 11, 22, 33 species in Mt. Seorak, 15, 21, 33 species in Mt. Balwang, 10, 23, 36 species in Mt. Taebaek, and 14, 30, 32 species in Mt. Odae. As a result of importance value at all study sites, T. cuspidata and Abies nephrolepis in upper layer, T. cuspidata, A. nephrolepis and Acer komarovii in subtree layer, and Tripterygium regelii in shrub layer were high, respectively. Species diversity in upper and subtree layer at all study sited were ranged 0.834~1.234 and 1.125~1.329, respectively. According to the DBH class of major three species, T. cuspidata in Mt. Odae site showed a reverse J-shaped curve, which was estimated that T. cuspidata community of this site might be maintained continuously as a stable state.

본 연구는 설악산, 발왕산, 태백산, 오대산의 아고산대에 분포하는 주목 군락의 보존과 효율적인 관리방안을 제시하기 위하여 종조성과 흉고직경급을 조사, 분석하였다. 각 조사지의 교목 아교목 관목층의 층위별 식생은 설악산 11, 22, 33종, 발왕산 15, 21, 33종, 태백산 10, 23, 36종, 오대산 14, 30, 32종으로 구성되어 있다. 층위별 중요치 분석 결과, 전 조사지의 교목층은 주목과 분비나무, 아교목층은 주목, 분비나무, 시닥나무, 관목층에서는 미역줄나무의 중요치가 가장 높은 것으로 분석되었다. 전 조사지에 있어서 종다양도는 교목층 0.834~1.234, 아교목층 1.125~1.329의 범위 내에 있는 것으로 분석되었다. 흉고직경 분포에서는 오대산지역의 주목개체군이 역J자형의 유형을 보이고 있어 주목군락이 유지될 수 있을 것으로 판단된다.

Keywords

Acknowledgement

Supported by : 산림청

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