Journal of Marine Bioscience and Biotechnology (한국해양바이오학회지)

The Korean Society for Marine Biotechnology (한국해양바이오학회)
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Marine Algal Flora and Community Structure in Beakryoung-do, Western Coast of Korea

서해 백령도 연안의 해조상 및 군집구조

  • Yong Yi, Kim (Department of Marine Biology, Kunsan National University) ;
  • Ju Hee, Kim (Department of Ecology and Conservation, Marine Biodiversity Institute of Korea) ;
  • Young Sik, Kim (Department of Marine Biology, Kunsan National University)
  • 김용이 (군산대학교 해양생물자원학과) ;
  • 김주희 (국립해양생물자원관 생태보전실) ;
  • 김영식 (군산대학교 해양생물자원학과)
  • Received : 2022.11.16
  • Accepted : 2022.12.15
  • Published : 2022.12.30
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Abstract

Beakryoung-do is located in the north along the western coast of South Korea. Owing to its geographical limitations, not many studies have been conducted on marine algae in this region. This study aims to investigate the marine algal flora and the community structure in the intertidal and subtidal zones of Nampo-ri, Beakryoung-myeon, Ongin-gun, Incheon regions of South Korea. The study was conducted from August 2015 to June 2016 during all seasons. A total of 95 algal species, including 7 green algae, 12 brown algae, and 76 red algae were collected and identified; 52 algal species were found in the intertidal zone and 83 in the subtidal zone. The vertical distribution of algae from upper to lower intertidal zone was Neorhodomela aculeata - Caulacanthus okamurae, Gelidiophycus freshwateri - Neorhodomela aculeata, Caulacanthus okamurae - Sargassum thunbergii, Caulacanthus okamurae. Findings indicated that Sargassum thunbergii and Neorhodomela aculeata were the biomass-dominant species in the intertidal zone and Corallina officinalis and Undaria pinnatifida were biomass-dominant in the subtidal zone. Average values of marine algae biomass in the intertidal and subtidal zones were 252.6 g wet weight m-2 and 291.9 g wet weight m-2, respectively. Further, 38 new species were found in Beakryoung-do, with 25 of them specifically found in the subtidal zone. More studies on marine algal flora in the subtidal zone are needed to understand the changes in marine flora along the western coast.

Keywords

Acknowledgement

이 논문은 군산대학교 수산과학연구소 학술연구비 지원에 의하여 연구되었습니다.

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