한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제50권5호
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  • Pages.553-560
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  • 2017
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  • 0374-8111(pISSN)
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  • 2287-8815(eISSN)
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)
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여수 금오열도 연안 자망에 채집된 어류의 종조성 및 군집구조

Species Composition and Community Structure of Fishes Collected by a Gill Net in the Coastal Waters of the Geumo Islands, Yeosu

  • 김춘철 (해양수산과학원 서부지부 자원조성과) ;
  • 한경호 (전남대학교 해양기술학부) ;
  • 이성훈 (전남대학교 해양기술학부) ;
  • 유태식 (전남대학교 해양기술학부)
  • Kim, Chun-Cheol (Ocean&Fisheries Science Institute Western Departments Department of Marine Technology) ;
  • Han, Kyeong-Ho (Marine Technology Undergraduate, Chonnam National University) ;
  • Lee, Sung-Hoon (Marine Technology Undergraduate, Chonnam National University) ;
  • Yu, Tae-Sik (Marine Technology Undergraduate, Chonnam National University)
  • 투고 : 2017.06.28
  • 심사 : 2017.10.17
  • 발행 : 2017.10.31
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초록

Fluctuations in the abundance and species composition of fishes in the coastal waters of Geumo-do, Yeosu, Jeollanam-do, Korea were investigated from 2002 to 2005. A gill net with entrances on both sides was used to collect a total of 469 individuals (55,180 g) of 3 orders, 18 families, and 28 species. The dominant species was Sebastes inermis (60 individuals, 5,670 g), followed by Neoditrema ransonneti (46 individuals, 2,290 g), and Pseudaesopia japonica (38 individuals, 3,080 g). The highest number of individuals was found in 2004, while the biomass was highest in 2005. The diversity index was highest in 2004 (H'=2.703) and lowest in 2002 (H'=2.580). The dominance index was highest in 2004 (D=3.983) and lowest in 2002 (D=3.404). The richness index was highest in 2003 (RI=0.337) and lowest in 2002 (RI=0.261). Changes in temperature and salinity affected the community structure and the location of spawning grounds. The number of individuals and total biomass increased with changes in temperature and salinity each year.

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