Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Seasonal Variation in the Marine Algal Flora and Community Structure along the Tongyeong Coast, Korea

한국 통영 연안의 계절적 해조상 및 군집구조 변화

  • 박미선 (국립수산과학원 동해수산연구소) ;
  • 유현일 (국립수산과학원 동해수산연구소) ;
  • 허진석 (원광대학교 생명과학부/기초자연과학연구소) ;
  • 김영대 (국립수산과학원 동해수산연구소) ;
  • 최한길 (원광대학교 생명과학부/기초자연과학연구소)
  • Received : 2011.10.10
  • Accepted : 2011.11.14
  • Published : 2011.12.30
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Abstract

Marine algal flora and community structure were examined at four sites at Tongyeong, Korea, from February to December 2009. Eighty-two algal species were identified, including 10 green, 25 brown, and 47 red algae. During the study period, the number of species was highest at the Dukpo (61 species) site followed by the Gajodo (60 species), Yepo (58 species), and Chilchundo (53 species) sites. Seaweed biomass ranged from 578.11 to 678.26 g, with the maximum and minimum at Chilchundo and Yepo, respectively. Dominant species in term of biomass were Sargassum thunbergii at Yepo, Dukpo, and Gajodo and Gelidium amansii at Chilchundo. The vertical distribution from the high to low intertidal zone was Sargassum thunbergii and Chondria crassicaulis; Sargassum thunbergii and Ulva linza; Ulva pertusa, Sargassum fulvellum, and Gelidium amansii. Two groups clearly segregated in a cluster analysis, a Yepo/Dukpo group (group A) and a Gajodo/Chilchundo (B), indicating relatively strong differences in similarity. The seaweed community structure of group A was characterized by higher biomass and higher species richness of brown algae than were observed in group B. Additionally, the biomass ratio and the species richness of green algae was lower in group A. These differences in seaweed community structure may have been resulted from the effects of cold effluents.

Keywords

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