Journal of Fisheries and Marine Sciences Education (수산해양교육연구)

The Korean Society for Fisheries and Marine Sciences Education (한국수산해양교육학회)
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Seasonal Variability of Marine Algal Flora and Community Structure at Gumgap, Jindo, on the Southwestern Coast of Korea

한국 남서해안 진도군 금갑의 해조상 및 군집구조의 계절 변화

  • Yoo, Hyun-Il (Seaweed Research Center, National Fisheries Research and Development Institute) ;
  • Heo, Jin-Suk (Seaweed Research Center, National Fisheries Research and Development Institute) ;
  • Choi, Han-Gil (Wonkwang University)
  • 유현일 (국립수산과학원 해조류바이오연구센터) ;
  • 허진석 (국립수산과학원 해조류바이오연구센터) ;
  • 최한길 (원광대학교 생명과학부/기초자연과학연구소)
  • Received : 2015.01.26
  • Accepted : 2015.02.13
  • Published : 2015.02.28
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Abstract

Seasonal variation in marine macroalgal community structure was examined at the intertidal zones of Geumgap, Jindo, Korea, from October 2013 to August 2014. In total, 56 macroalgal species were identified, including 9 green, 12 brown, and 35 red algae. Annual seaweed biomass was 548.96 g wet wt. /$m^2$ with seasonal range between 371.08 g wet wt. /$m^2$ at summer and 32.91 g wet wt. /$m^2$ at winter. The dominant seaweed in terms of biomass was Sargassum thunbergii and subdominant species were Gelidium elegans, Sargassum fusiforme, and Ishige okamurae. The vertical distribution of seaweeds from the upper to lower intertidal zones was Gloiopeltis spp., Ulva spp.- S. thunbergii, S. fusiforme, Ishige okamurae - S. thunbergii, S. fusiforme, G. elegans. Annual seaweed coverage, richness index (R), evenness index (J'), and diversity index (H') values were 27.95%, 6.10, 0.38, and 1.38, respectively. Coarsely branched form was the most dominant functional group in terms of species number and biomass among benthic macroalgal species.

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References

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