Journal of agriculture & life science (농업생명과학연구)

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

Vegetation Structure and Soil Condition of Acer okamotoanum Communities in Ulleung Island

울릉도 우산고로쇠나무 군락의 식생구조와 토양환경

  • Kwon, Su-Duck (Southern Forest Research Center, Korea Forest Research Institute) ;
  • Kim, Jong-Kab (Dept. of For. Environ. Res., Gyeongsang National Univ.(Insti. of Agric. & Life Sci.)) ;
  • Moon, Hyun-Shik (Dept. of For. Environ. Res., Gyeongsang National Univ.(Insti. of Agric. & Life Sci.))
  • 권수덕 (남부산림연구소) ;
  • 김종갑 (경상대학교 산림환경자원학전공(농업생명과학연구원)) ;
  • 문현식 (경상대학교 산림환경자원학전공(농업생명과학연구원))
  • Received : 2010.08.03
  • Accepted : 2010.10.19
  • Published : 2010.10.31
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Abstract

Vegetation structure and soil condition were analyzed to provide information for effective management of Acer okamotoanum community. Importance value of A. okamotoanum in upper layer was highest as 120.7, and that of Camellia japonica in middle and lower layer was highest as 61.8 and 15.7, while those of A. okamotoanum were 37.5 and 2.6, respectively. Taxus cuspidata var. latifolia which was designated as vulnerable species by Korea National Arboretum began its existence in lower layer. Species diversity and evenness were 0.674 and 0.706 in upper layer, 0.947 and 0.805 in middle layer, and 1.312 and 0.938 in lower layer, respectively. Soil pH of A. okamotoanum community was 5.79. The contents of organic matter, total N, and available $P_2O_5$ were 7.2%, 0.33%, and 51.1ppm, respectively.

울릉도 자생 우산고로쇠나무군락의 합리적인 관리를 위한 기초정보를 제공하기 위하여 식생구조와 토양환경을 분석하였다. 층위별 중요치는 상층에서는 우산고로쇠나무가 120.7, 중층과 하층에서는 동백나무의 중요치가 각각 61.8, 15.7로 가장 높게 나타났다. 우산고로쇠나무의 중층과 하층에서의 중요치는 각각 37.5, 2.6이었다. 하층에서는 산림청 지정 취약종인 회솔나무가 출현하였다. 층위별 종다양도는 상층 0.674, 중층 0.947, 하층 1.312, 균재도는 상층 0.706, 중층 0.805, 하층 0.938이었다. 우산고로쇠나무 군락의 토양 pH는 5.79, 유기물함량은 7.2%, 전질소 함량은 0.33%, 유효인산 함량은 51.1ppm로 나타났다.

Keywords

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