Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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Floristic study of Mt. Unbongsan in the basalt areas, Korea

현무암지대 운봉산의 관속식물상

  • Kim, Jung-Hyun (Plant Resources Division, National Institute of Biological Resources) ;
  • Park, Hwan-Joon (Restoration Research 5 Team, Research Center for Endangered Species National Institute of Ecology) ;
  • Lee, Kyeong-Ui (Department of Forest Resources, Kongju National University) ;
  • Kim, Jin-Seok (Plant Resources Division, National Institute of Biological Resources)
  • 김중현 (국립생물자원관 식물자원과) ;
  • 박환준 (국립생태원 멸종위기종복원센터 복원연구5팀) ;
  • 이경의 (공주대학교 산림자원학과) ;
  • 김진석 (국립생물자원관 식물자원과)
  • Received : 2020.07.28
  • Accepted : 2020.08.24
  • Published : 2020.09.30
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Abstract

This study was conducted to investigate the flora of Mt. Unbongsan in the basalt areas of Korea. From the results of eight field surveys undertaken from March to October 2017, we identified 404 total taxa, representing 364 species, seven subspecies, and 33 varieties, which were placed in 256 genera and 91 families. The plant formation of Mt. Unbongsan is a deciduous broad-leaved and conifer mixed forest, which is common in the middle part of the Korean peninsula. Most of the mountain is covered by a young secondary forest, which is mainly composed of Quercus monglica and Pinus densiflora. Out of these 404 taxa, 193 were the first records for the region, six were endemic to Korea, three were listed on the Korean Red List of threatened species, 34 were floristic target species, and 40 were invasive alien species. The naturalized index(NI) percentage was 9.9%. Mt. Unbongsan has plant diversity, which was associated with the geomorphological landscapes. We considered that the composition and distribution of the species were affected by different environmental factors according to the presence of granite, taluses, block streams, drying ridges, valleys, puddles, wetlands, and streams.

본 연구는 현무암지대 운봉산의 관속식물상을 밝히고 주요 식물을 조사하였다. 2017년 3월부터 10월까지 총 8회에 걸쳐 조사한 결과, 관속식물은 91과 256속 364종 7아종 33변종으로 총 404분류군이 확인되었다. 운봉산은 온대 중부지역에 속하고 침엽수와 낙엽활엽수 혼합림으로 산지의 대부분은 신갈나무 - 소나무가 우점하며, 2차림으로 구성된다. 운봉산에서 새로이 확인된 식물은 193분류군, 한반도 고유종은 6분류군, IUCN 평가기준에 따른 적색목록식물은 3분류군, 식물구계학적 특정식물은 34분류군이 확인되었다. 침입외래식물은 40분류군이며, 귀화율 9.9%로 나타났다. 운봉산은 다양한 식물들과 지형 요소들이 주요 경관을 이루고 있다. 본 연구를 통해 조사지 내의 화강암, 현무암 애추, 건조한 능선, 계곡, 웅덩이, 습지, 하천 등의 다양한 환경적 요인이 종조성과 분포에 영향을 미치는 것으로 파악되었다.

Keywords

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