Site Characteristics and Vegetation Structure of Corylopsis coreana Communities in Gokseong, Jeonnam Province

전남 곡성지역 히어리 군락의 입지환경 및 식생구조

  • 문현식 (경상대학교 산림과학부) ;
  • 노일 (경상대학교 산림과학부) ;
  • 김종갑 (경상대학교 산림과학부)
  • Published : 2004.09.01

Abstract

The study of site characteristics and vegetation structure was carried out to provide basic data for conservation and reasonable management of Korean endemic Corylopsis coreana communities in Jukgok and Ogok-myeon in Gokseong, Jeonnam Province. In C. coreana communities, average soil pH was 5.05, and the content of organic matter, total N and available P was 5.22%, 0.24% and 3.25ppm, respectively. According to the importance value of each layer, Pinus densiflora, uercus variabilis of Jukgok and uercus mongolica, serrata, and Pinus densiflora of Ogok area in the tree layer were high. In the subtree and shrub layer at two study sites, C. coreana has the highest importance value. In subtree layer at the two study sites, species diversity, evenness and dominance ranged from 0.567 to 0.779, 0.401 to 0.509 and 0.491 to 0.509, respectively. The distribution patterns by Morisita's index showed that C. coreana in two study sites was randomly distributed in the subtree and shrub layers.

본 연구는 우리나라 특산식물인 히어리가 군락을 형성하고 있는 전남 곡성군 죽곡면과 오곡면 지역을 대상으로 히어리 군락지의 보존과 합리적인 관리를 위한 기초자료를 제공하고자 수행되었다. 히어리 군락은 평균 토양 pH 5.05, 유기물함량 5.22%, 전질소 함량 0.24%, 유효인산 3.25ppm인 토양환경에서 군락이 발달하고 있었다 조사지역의 교목층에 있어서의 중요치는 죽곡이 소나무, 굴참나무, 오곡이 신갈나무, 졸참나무, 소나무가 높게 나타났으며, 아교목층과 관목층에서는 두 지역 모두 히어리의 중요치가 가장 높게 나타났다. 죽곡과 오곡 조사지역의 히어리가 주로 분포하고 있는 아교목층의 종다양도는 각각 0.567, 0.779, 균재도는 0.401, 0.509, 우점도는 0.599, 0.491로 나타났다. 그리고, 관목층의 종다양도는 죽곡 1.453,오곡 1.266, 균재도는 죽곡 0.920, 오곡 0.866, 우점도는 죽곡 0.080, 오곡 0.134로 조사되었다. Morisita's index에 의한 히어리의 분포형은 아교목층과 관목층에 있어서 모두 임의분포하는 것으로 나타났다.

Keywords

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