Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Marine Algal Flora and Community Structure in Daejin on the Mid-East Coast of Korea

동해안 중북부 대진 해역의 해조상 및 군집구조

  • 김영대 (국립수산과학원 동해수산연구소) ;
  • 공용근 (국립수산과학원 해조류바이오연구센터) ;
  • 전창영 (국립수산과학원 남서해수산연구소) ;
  • 송홍인 (국립수산과학원) ;
  • 박미선 (국립수산과학원 동해수산연구소) ;
  • 이채성 (국립수산과학원 동해수산연구소) ;
  • 유현일 (국립수산과학원 동해수산연구소) ;
  • 김영환 (충북대학교 생물학과)
  • Received : 2010.06.28
  • Accepted : 2010.10.11
  • Published : 2010.10.31
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Abstract

Seaweed biomass was estimated in the rocky subtidal zone of Daejin on the mid-east coast of Korea using a destructive sampling method from February to November 2007. Monthly sampling was conducted at depths of 5, 10 and 15 m using 50 $\times$ 50 cm quadrats. A total of 73 species, including 5 chlorophytes, 25 phaeophytes, 43 rhodophytes and one seagrass were identified. Average seaweed biomass was 2,852.3 g wet wt. $m^{-2}$ and biomass values varied monthly from 1,189.8 g to 7,523.7 g. The species dominant in biomass were Laminaria japonica (481.7 g), Sargassum confusum (470.85 g), Undaria pinnatifida (422.57 g), Costaria costata (282.16 g), Odonthalia corymbifera (174.46 g), S. sagamianum (163.22 g) and S. horneri (122.18 g). The vertical distribution of algae was characterized by S. confusum and U. pinnatifida at 5 m, L. japonica and U. pinnatifida at 10 m, and O. corymbifera and L. japonica at 15 m depth. The C/P, R/P and (R+C)/P values were 0.20, 1.72 and 1.92, respectively.

Keywords

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