한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제36권6호
  • /
  • Pages.591-595
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  • 2003
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  • 0374-8111(pISSN)
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  • 2287-8815(eISSN)
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)
권호 표지
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부착성 규조류의 종류에 따른 참전복 유생의 부착율과 치패의 성장 및 생존율

Effect of Benthic Diatoms on the Settlement Rate of Larvae and Survival and Growth of Juvenile Abalone (Haliotis discus hannai)

  • 백재민 (국립수산과학원 완도수산종묘시험장) ;
  • 김철원 (국립수산과학원 완도수산종묘시험장) ;
  • 임상구 (국립수산과학원 진해내수면 연구소) ;
  • 박찬선 (목포대학교 해양자원학과)
  • BAEK Jae Min (Wando Marine Hatchery, National Fisheries Research & Development Institute) ;
  • KIM Chul Won (Wando Marine Hatchery, National Fisheries Research & Development Institute) ;
  • LIM Sang Goo (Jinhae Inland Fisheries Research institute) ;
  • PARK Chan Sun (Department of Marine Resources, Mokpo National University)
  • 발행 : 2003.12.01
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초록

Settlement of larvae, growth, and survival of juvenile abalone (Haliotis discus hannai) were examined after feding of 5 species of benthic diatoms (Cocconeis suctellum, Navicula sp Nitzschia longissima Bacillavia paxillifera, Licmophora flabellata). All of the benthic diatoms were isolated from natural populations on plastic plates for the abalone. The settlement of larvae, shell growth, and survival rate of juvenile abalone varied by diatoms species. The highest settlement rate of larvae was $43.1\%$ with the Cocconeis suctellum diet. Daliy growth rate reached a maximum at 64.1 ${\mu}m/day$ with the Navicula sp. diet and a minimum at 22.4 ${\mu}m/day$ with the Licmophora flabellata diet. Survival rate of the juvenile abalone was highest at $62.0\%$ with the Navicula sp., Cocconeis suctellum , and Nitzschia longissima diets. Survival rate of the Juvenile abalone was significantly higher than the control group with mixed diatom population diets (P<0.05). Therefore, diatom . species composition in diets can be a controling factor for the settlement, growth, and survival rates of Juvenile abalone.

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