변산반도국립공원 내소사 지역의 능선부 식생구조

Vegetation Structure of the Ridge Area of Naesosa in the Byunsan Peninsula National Park

  • 김봉규 (건국대학교 생명분자정보학센터) ;
  • 엄태원 (상지대학교 산림과학과)
  • 발행 : 2009.04.30

초록

변산반도국립공원에 위치한 내소사 주변 능선부의 식생구조를 파악하고자 세봉관음봉 구간에 방형구($400m^2$) 23개를 설정하여 식생을 조사하였다. 식물 군집분석을 통하여 분류한 결과 소나무군집과 소나무-굴참나무-졸참나무군집으로 분류되었다. 변산반도 내소사지역의 세봉관음봉지역은 대부분이 소나무, 굴참나무, 졸참나무, 서어나무, 신갈나무 등이 우점하고 있었다. 이 지역에서 굴참나무, 소나무가 부분적으로 우점종으로 분포하고 있으나 소나무의 상대우점치는 점점 작아지고 상대적으로 굴참나무, 졸참나무, 서어나무, 신갈나무의 우점치가 점차 커질 것으로 예상된다. 수종간의 상관관계에서는 굴참나무와 쇠물푸레, 단풍나무와 대팻집나무, 사람주나무와 산딸나무, 산딸나무와 굴피나무, 팥배나무와 서어나무 등의 수종들 간에는 높은 정의상관이 인정되었고, 소나무와 서어나무, 쇠물푸레와 서어나무, 신갈나무와 팥배나무, 대팻집나무와 팥배나무간에는 약한 부의상관이 인정되었다. 조사지의 군락별 종다양성지수는 $0.665{\sim}1.169$범위로 나타났다.

To investigate the vegetation structure of mountain ridges ranging from Sebong to Gwaneumbong 23 plots($400m^2$) set up with random sampling method were surveyed. Two groups of Pinus densiflora community, Pinus densiflora-Quercus variabilis-Quercus serrata community were classified by cluster analysis. Pinus densiflora, Quercus variabilis, Quercus serrata, Carpinus laxiflora, and Quecus mongolica were found as a mostly dominant woody plant species in the ridge area from Sebong to Gwaneumbong. In the future, the importance percentage of Pinus densiflora might be decreased, but those of Quercus variabilis, Quercus serrata, Carpinus laxiflora, and Quecus mongolica might be increased. High positive correlations were proved between Quercus variabilis and Fraxinus sieboldiana, Acer palmatum and Ilex macropoda, Cornus kousa and Platycarya strobilacea, Sorbus alnifolia and Carpinus laxiflora, and relatively weak negative correlations were proved between Pinus densiflora and Carpinus laxiflora, Fraxinus sieboldiana and Carpinus laxiflor, Quecus mongolica and Sorbus alnifolia, Ilex macropoda and Sorbus alnifolia. Species diversity index(H') of investigated groups was ranged $0.665{\sim}1.169$.

키워드

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