수산해양교육연구 (Journal of Fisheries and Marine Sciences Education)

  • 제29권1호
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  • Pages.297-305
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  • 2017
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  • 1229-8999(pISSN)
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  • 2288-2049(eISSN)
한국수산해양교육학회 (The Korean Society for Fisheries and Marine Sciences Education)
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제주도 동부 먼바다 어장에서 겨울철에 어획된 저서생물의 분포특성

Winter Composition and Abundance of Demersal Fishes in the Fishing Ground off Eastern Jeju Island, Korea

  • 투고 : 2016.11.15
  • 심사 : 2017.02.13
  • 발행 : 2017.02.28
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초록

This study was analysed the species composition of demersal fishes caught by a bottom trawler, KAYA, in the winter season during 4 years and the study area was the eastern fishing ground in depth of about 110m, 40 miles eastward from Jeju Island, Korea. A total of 54 species were collected, including 40 species of Pises, 9 species of Mollusks, 5 species of Crustaces. The number of individuals and biomass of unit area was $7,978ind/km^2$ and $1,800kg/km^2$, respectively. The dominant species in winter season were Dentex tumifrons, Carangoides equula, Callanthias japonicus, Thamnaconus modestus and Pagrus major. And these also were caught every year. The ranges of the diversity index(H') were 1.97 to 2.40, the richness(R) 1.91~4.59, the evenness(E) 0.54~0.83 and the dominance(D) 0.42~0.61.

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참고문헌

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