Journal of agriculture & life science (농업생명과학연구)

Institute of Agriculture & Life Science, Gyeongsang National University (경상대학교 농업생명과학연구원)
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Environmental Characteristics and Floristic Study of Endangered Pedicularis hallaisanensis Habitats

멸종위기야생식물II급 한라송이풀 자생지의 환경특성 및 식물상

  • Kim, Lim-Kyu (Species Restoration Technology Institute, Korea National Park Service) ;
  • Choi, Sung-Dae (Species Restoration Technology Institute, Korea National Park Service) ;
  • Choo, Gab-Chul (Gyeongnam National University of Science and Technology) ;
  • Hwang, Bu-Yeong (Species Restoration Technology Institute, Korea National Park Service) ;
  • Gang, Geun-Hye (Species Restoration Technology Institute, Korea National Park Service) ;
  • So, Soon-ku (Korea National Park Research Institute, Korea National Park Service) ;
  • Park, Eun-Hee (Species Restoration Technology Institute, Korea National Park Service)
  • 김임규 (국립공원관리공단 가야산국립공원사무소) ;
  • 최성대 (국립공원관리공단 가야산국립공원사무소) ;
  • 추갑철 (경남과학기술대학교 산림자원학과) ;
  • 황부영 (국립공원관리공단 종복원기술원) ;
  • 강근혜 (국립공원관리공단 종복원기술원) ;
  • 소순구 (국립공원관리공단 국립공원연구원) ;
  • 박은희 (국립공원관리공단 가야산국립공원사무소)
  • Received : 2018.09.06
  • Accepted : 2018.10.16
  • Published : 2018.12.31
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Abstract

This study was carried out to propose the baseline data for in situ conservation by analyzing environmental and growth characteristics in Pedicularis hallaisanenesis habitats. P. hallaisanensis habitats, according to investigations, were located on the slope of southwest at an elevation of 1,400 m in Mt. Gayasan and on the slope of southeast at an elevation of 1,500 m in Mt. Hallasan. Pedicularishallaisanensis habitats. Also, habitats were found at the grassland with no upper vegetation. In the study sites, soil pH and soil organic matter were 4.9-6.5 and 4.4-8.1%, respectively. A total of 55 vascular plants taxa were identified in ten quadrats in two habitats, of which 25 were inhabited in Mt. Gayasan and 37 in Mt. Hallasan. Current status of P. hallaisanensis habitats were very vulnerable with the pressure of the vegetation constantly threatening the species' survival. Thus, concrete conservation plans including diverse factors as light intensity, temperature and genetic analysis to protect natural habitats should be set up as soon as possible.

본 연구는 환경부 멸종위기야생식물II급이자 한반도 고유종인 한라송이풀의 자생지 환경특성과 식물상을 조사하여 자생지 보전을 위한 기초자료를 제공하고자 수행되었다. 가야산 자생지는 해발 1,400m의 남서사면, 한라산 자생지는 해발 1,500m의 남동사면에서 출현하였으며, 두 자생지 모두 상층식생이 전무한 초지대에서 생육하는 것으로 조사되었다. 토양의 이화학성 분석결과 토양 pH는 4.93-6.48, 토양유기물함량은 4.4-8.1%로 나타났다. 조사구 내 출현식물은 총 27과 40속 43종 8변종 4품종 등 총 55분류군으로 조사되었고 가야산은 25분류군, 한라산은 37분류군이 확인되었다. 한라송이풀은 한반도 내 아고산지역에 잔존하는 북방계성 식물로 현재의 자생지는 주변식물의 피압에 의해 경쟁에서 지속적으로 밀려나 개체수가 급격하게 감소하고 있다. 따라서 자생지 보전 및 복원을 위하여 광도, 온도, 집단의 유전적 평가 등 다양한 인자를 포함한 종합적인 보전생물학적 연구가 요구된다.

Keywords

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  1. 숙주식물을 활용한 멸종위기야생식물II급 한라송이풀 종자의 형태 및 발아특성 vol.108, pp.3, 2018, https://doi.org/10.14578/jkfs.2019.108.3.290