Vegetation Types & Floristic Composition of Native Conifer Forests in The Ridge of The Baekdudaegan, South Korea

백두대간 마루금일대 침엽수림의 식생형과 식물상 조성

  • Received : 2009.07.17
  • Accepted : 2009.08.18
  • Published : 2009.09.30

Abstract

Vegetation types of the native conifer forests in the ridge of the Baekdudaegan, South Korea, were classified using the Braun-Blanquet method and TWINSPAN and its ecological characteristics analyzed with special repect to floristic composition. The vegetation type was classified into two types (Pinus densiflora-Carex humilis and Pinus koraiensis-Dryopteris crassirhizoma types) and seven groups. Mean species richness and total plot cover per unit area ($/100m^2$) were $21.9{\pm}8.9$ spp. and $146.9{\pm}32.3$%, respectively. The plant species composed of 82 families, 217 genera, and 387 species and the three major families, Compositae, Liliaceae, and Rosaceae, made up about 25.6% of the total species. The 7.8% of total families were the families with occurrence of only one species. The highest relative importance value was 19.2, the species belonged to Pinaceae and the pattern was different from species richness pattern of other families.

백두대간 마루금일대 침엽수 자연림의 식생형이 Braun-Blanquet방법과 TWINSPAN을 병용하여 분류되고 그 생태적 특성이 분석되었다. 식생형은 소나무-가는잎그늘사초형과 잣나무-관중형 등 2개의 상위단위와 7개의 하위단위로 유형화되었다. 단위면적당($/100m^2$) 평균종풍부도와 총피도율은 각각 $21.9{\pm}8.9$종류, $146.9{\pm}32.3$%이었다. 식물상 특성은 82과 217속 387종류이었으며, 국화과, 백합과, 장미과 등이 전체 구성종의 약 25.6%를 차지하고 있었으며 단 1종만 출현하는 과도 7.8%에 달하였다. 총피도율에 의한 상대적 중요치는 소나무과가 19.2로 가장 높았으며 과별 종풍부도 경향과 다소 반대로 나타났다.

Keywords

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