Korean Journal of Nature Conservation (한국자연보호학회지)

Korean Journal of Nature Conservation (한국자연보호학회)
권호 표지

Seasonal Growth of Grateloupia asiatica and G. divaricata (Rhodophyta)

홍조류 지네지누아리와 뼈지누아리의 계절생장

  • Lee, Ju-Il (Department of Marine Bioscience, Gangnung-Wonju National University) ;
  • Hwang, Il-Ki (Seaweed Research Institute, National Fisheries Research and Development Institute) ;
  • Park, Jung-Kwang (Department of Biology, Chungnam National University) ;
  • Kim, Hyung-Geun (Department of Marine Bioscience, Gangnung-Wonju National University)
  • 이주일 (강릉원주대학교 해양자원육성학과) ;
  • 황일기 (국립수산과학원 해조류바이오연구센터) ;
  • 박정광 (충남대학교 생물학과) ;
  • 김형근 (강릉원주대학교 해양자원육성학과)
  • Published : 2011.06.30
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Abstract

Grateloupia asiatica and G. divaricata are edibile marine red algae that commonly occur on the east coast of Korea: G. asiatica occurs in sheltered locations such as estuaries or tide pools, and G. divaricata usually grows at the depth of 2~5 meters under the sea where freshwater flows. We compared growth pattern of both species in Aninjin, Gyoam, Hosan, and Sacheon in order to find suitable location for mass culture of the Grateloupia species. In case of G. asiatica, vegetative and tetrasporangial thalli were found in Gyoam and Sacheon, while gametophytic thalli were found in Aninjin. Population from Aninjin was the largest on the average length of thalli (20.6 cm) among populations studied. Population of G. divaricata in Sacheon seems to be maintained mostly with sporophytes. However, Aninjin and Hosan populations consisted of gametophytes and sporophytes in summer. Population from Hosan was the largest on the average length of thalli (19.8 cm). Based on our results, G. asiatica and G. divaricata repeat a typical triphasic life history of red algae on the east coast of Korea.

Keywords

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