한국산림과학회지 (Journal of Korean Society of Forest Science)

  • 제99권3호
  • /
  • Pages.312-322
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  • 2010
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  • 2586-6613(pISSN)
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  • 2586-6621(eISSN)
한국산림과학회 (Korean Society of Forest Science)
권호 표지

한반도 비자나무림의 식생구조

Vegetation Structure of the Torreya Nucifera Stand in Korea

  • 신현철 (국립산림과학원 남부산림연구소) ;
  • 이광수 (국립산림과학원 남부산림연구소) ;
  • 박남창 (국립산림과학원 남부산림연구소) ;
  • 정수영 (경상대학교 농업생명과학대학 학술림)
  • Shin, Hyun-Cheol (Southern Forest Research Center, Korea Forestry Research Institute) ;
  • Lee, Kwang-Soo (Southern Forest Research Center, Korea Forestry Research Institute) ;
  • Park, Nam-Chang (Southern Forest Research Center, Korea Forestry Research Institute) ;
  • Jung, Su-Young (The Research Forests, Gyeongsang National University)
  • 투고 : 2010.02.23
  • 심사 : 2010.03.22
  • 발행 : 2010.06.30
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초록

한국에서 비자나무는 남해안 및 제주도의 온난 기후대에 주로 분포하고 있으며, 사찰과 향교 주변 등에서 주로 보호림으로 조성되어 오고 있다. 본 연구의 주된 목적은 한반도의 대표적 비자나무 임분에서 식생구조분석을 실시함으로서 현재 비자나무 식생군락의 동태를 파악하고 이로부터 적절한 임분 보전대책을 수립하는데 있다. 비자나무 임분 내에서 조사된 종수는 총 148종이었으며, 교목층 임분에서 출현수종 28종, 아교목층 출현수종 38종, 그리고 관목층 출현수종 82종의 목본 관속식물이 생육하고 있는 것으로 나타났다. 조사된 비자나무 임분에서 공통적으로 나타난 종은 쥐똥나무, 송악 및 마삭줄이었다. 조사지역 모든 층위에서 비자나무가 우점종 이었으나, 아교목층 및 관목층에서는 그 우점치가 다소 떨어져 임분 쇠퇴현상이 나타났는데, 이러한 사실은 교목층 임분의 수관발달 및 아교목층에서의 생장편의에 의한 결과이다. 비자나무림의 교목층과 아교목층은 천연발아에 의해 조성된 임분이 대부분이다. 따라서 조사된 우리나라 비자나무림에 대한 건강한 임분을 유도하기 위해서는 도태 간벌시업을 응용함으로서 과도한 수관경쟁의 조정이 필요할 것으로 판단되는 바이다.

In Korea, Torreya nucifera (L.) Siebold & Zuccarini is widely distributed in the warm temperate zone of South coastal area and Jeju island, mainly as preserved forest in the vicinity of the Buddhist temple and Confucian temple. The objective of this study is in order to develop the conservation method and comprehension of vegetation community by current vegetation structure analysis of Torreya nucifera stand. As the results, the number of surveyed species in Torreya nucifera stand were total 148 species with 28 species of tree layer, 38 species of subtree layer, and 82 species of shrub layer. The appearance of the common species were Ligustrum obtusifolium Siebold & Zucc., Hedera rhombea Bean, and Trachelospermum asiaticum Nakai var. asiaticum. All the story of the surveyed region, Torreya nucifera maintained the current dominant species, but the subtree layer and shrub layer was decreased dominant rate because of the development of the crown of tree layer and biased growth of the subtree layer. Most of the tree layer and subtree layer in Torreya nucifera stands are composed of the sprout forest. Therefore, these results suggest that in order to maintain the healthy stand it is demanded for the application of selection thinning method for reducing crown competition in Torreya nucifera forests.

키워드

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