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Biogeographic pattern of four endemic Pyropia from the east coast of Korea, including a new species, Pyropia retorta (Bangiaceae, Rhodophyta)

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Title
Biogeographic pattern of four endemic Pyropia from the east coast of Korea, including a new species, Pyropia retorta (Bangiaceae, Rhodophyta)
Other Titles
홍조 김파래과 신종 Pyropia retorta를 포함하는 한국 고유종 Pyropia 4종의 생물지리 양상
Authors
Kim, Sun-Mi
Choi, Han-Gu
Hwang, Mi-Sook
Kim, Hyung-Seop
Subject
Plant Sciences; Marine & Freshwater Biology
Keywords
Last Glacial Maximum; Pyropia retorta sp. nov.; biogeography; rbcL phylogeny; Pyropia kinositae; Pyropia moriensis; the east coast of Korea
Issue Date
2018-03
Citation
Kim, Sun-Mi, et al. 2018. "Biogeographic pattern of four endemic Pyropia from the east coast of Korea, including a new species, Pyropia retorta (Bangiaceae, Rhodophyta)". ALGAE, 33(1): 55-68.
Abstract
Foliose species of the Bangiaceae (Porphyra s. l.) are very important in Korean fisheries, and their taxonomy and ecophysiology have received much attention because of the potential for developing or improving aquaculture techniques. Although 20 species of foliose Bangiales have been listed from the Korean coast, some of them remain uncertain and need further comparative morphological studies with molecular comparison. In this study, we confirm the distribution of four Pyropia species from the east coast of Korea, Pyropia kinositae, P. moriensis, P. onoi, and P. retorta sp. nov., based on morphology and rbcL sequence data. Although P. onoi was listed in North Korea in old floral works, its occurrence on the east coast of South Korea is first revealed in this study based on molecular data. P. kinositae and P. moriensis, which were originally described from Hokkaido, Japan, are first reported on the east coast of Korea in this study. Pyropia retorta sp. nov. and P. yezonesis share a similar thallus color and narrow spermatangial patches in the upper portion of the frond, and they have a sympatric distribution. However, P. retorta can be distinguished by the curled or twisted thalli and by molecular data. The biogeographic pattern of the two native species, P. kinositae and P. retorta, suggests that the east coast of Korea may have been a place of refugia during the Last Glacial Maximum (LGM), and then recolonized to the northern part of Japan through the restored East Korean Warm Current after the LGM.
URI
https://repository.kopri.re.kr/handle/201206/10494
DOI
http://dx.doi.org/10.4490/algae.2018.33.2.26
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