The Vascular Plants of Chujado Island (Jeju-Do), Korea
pISSN 1225-8318 − Korean J. Pl. Taxon. 49(4): 345 370 (2019) eISSN 2466-1546 https://doi.org/10.11110/kjpt.2019.49.4.345 Korean Journal of RESEARCH ARTICLE Plant Taxonomy The vascular plants of Chujado Island (Jeju-do), Korea Eun-Mi SUN, Yu Chul PARK1, Kang-Hyup LEE, Kuk Hwa SONG, Dong Chang SON* Division of Forest Biodiversity and Herbarium, Korea National Arboretum, Pocheon 11186, Korea 1Team of National Ecosystem Survey, National Institute of Ecology, Seocheon 33657, Korea (Received 10 October 2019; Revised 18 November 2019; Accepted 14 December 2019) ABSTRACT: To identify the flora of the vascular plant on Chujado Island in Chuja-myeon, Jeju-si, Jeju Province, Korea, eleven field surveys were conducted between April to September of 2013 and from May to September of 2018. The results of the surveys identified 558 taxa, with 97 families, 311 genera, 481 species, two subspecies, 65 varieties, and ten forms of vascular plants on Chujado Island. Of the 558 taxa identified, seven were endemic species and eight were rare plants according to the Korea Forest Service. Furthermore, 109 of the taxa identified were from floristic environments, while 62 were considered to be naturalized plants, with three of these considered to be invasive and causes of ecosystem disturbances. The highest degree of similarity among the plants from seven sites adjacent to Chujado Island was found on Saengil Island, at 51.7%. Keywords: Chujado Island, flora, plant geography, Sørensen’s Coefficients for community similarity 추자도는 한반도 남부 지역과 제주도 해상 중간 지점에 물상을 파악하는 데 어려움이 있다. 본 연구는 추자도 일 위치하여, 난류성 어류의 회유지, 철새들의 번식지, 어선 대를 조사하여 신뢰도 있는 관속식물상을 제시하고, 식물 들의 중간 보급지로 이용되는 지역이다.
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