Vegetation Structure of the Paryeongsan (Mt.) Zone in Dadohaehaesang National Park

다도해해상국립공원 팔영산지구의 식생구조

  • Kang, Hyun-Mi (Dept. of Landscape Architecture, Graduate School, Pusan Nat'l Univ.) ;
  • Choi, Song-Hyun (Dept. of Landscape Architecture, Pusan National Univ.) ;
  • Park, Seok-Gon (Dept. of Landscape Architecture, Sunchon Univ.)
  • Received : 2013.05.30
  • Accepted : 2013.08.29
  • Published : 2013.08.31

Abstract

Vegetational structure and successional sere were investigated for Paryeongsan Zone in the Dadohaehaesang National Park incorporated in National Park in 2011. To do so, seventy-five plots($100m^2$) were set up and surveyed. The surveyed plots were divided into six groups according to the analysis of classification by TWINSPAN; (I) Quercus acutissima community, (II) Q. serrata-Carpinus tschonoskii var. tschonoskii community, (III) Pinus densiflora-Q. mongolica community, (IV) Q. variabilis community, (V) P. rigida-Q. variabilis-P. densiflora community, (VI) Chamaecyparis obtusa community. The results of vegetation structure analysis were. I, IICommunity, were expected that the deciduous oak trees with deciduous oak trees or Carpinus tschonoskii var. tschonoskii competing with oak trees would flourish in a deciduous broad-leaved forest. III, VCommunity, were expected that the P. densiflora and P. rigida competing with oak trees would flourish in a deciduous broad-leaved forest. IVCommunity, have expanded the influence of Q. variabilis, but understory will be developed next ecological succession by a high percentage of Machilus thunbergii in frequency of warm-temperate trees. VI Community, Chamaecyparis obtusa community were expected continue. This Chamaecyparis obtusa community is picked thinning Chamaecyparis obtusa as moving purpose of National Park, it will be inducement a plant vegetation succession to the natural forest. Frequency of warm-temperate trees in the Paryeongsan Zone of warm temperate climate zone was a total 9 species, Machilus thunbergii, Eurya japonica, Elaeagnus macrophylla, etc.

본 연구는 2011년 국립공원으로 편입된 다도해해상국립공원 팔영산지구의 식생구조와 식생천이계열을 파악하기 위하여 75개의 조사구(단위면적 $100m^2$)를 설치하여 조사를 실시하였다. Classification 분석 중 TWINSPAN기법을 이용하여 군락을 분리한 결과, 상수리나무군락(I), 졸참나무-개서어나무군락(II), 소나무-신갈나무군락(III), 굴참나무군락(IV), 리기다소나무-굴참나무-소나무군락(V), 편백림(VI)으로 구분되었다. 군락 I, II는 낙엽성 참나무류가 서로 경쟁하거나 개서어나무 등과 경쟁하여 향후 낙엽활엽수림으로의 천이가 예측되며, 군락 III, V는 소나무와 리기다소나무 등이 낙엽성 참나무류와 경쟁하여 향후 낙엽성 참나무류로의 천이가 예상된다. 군락 IV는 굴참나무가 우점하나 아교목층에서 난온대 수종인 후박나무가 높은 비율로 출현해 점차 후박나무의 세력 확장이 예측된다. 군락 VI은 편백 조림지로 수관층에 편백만이 우점하여 당분간 편백림이 유지될 것으로 예상된다. 이 편백림은 국립공원의 편입취지에 맞게 편백을 간벌하여 천연림으로 갱신을 유도해야 할 것이다. 난온대 기후대에 속하는 팔영산지구에서 출현한 난온대수종은 후박나무, 사스레피나무, 보리밥나무 등 총 9종이었다.

Keywords

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