Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Seasonal Variation of Abundance and Species Composition of Fishes Caught by a Set Net in the Coastal Waters off Yosu, Korea

여수연안 정치망 어획물의 종조성과 계절변동

  • KIM Yeong Hye (South Sea National Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • KIM Jong Bin (South Sea National Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • CHANG Dae Soo (South Sea National Fisheries Research Institute, National Fisheries Research and Development Institute)
  • 김영혜 (국립수산과학원 남해수산연구소) ;
  • 김종빈 (국립수산과학원 남해수산연구소) ;
  • 장대수 (국립수산과학원 남해수산연구소)
  • Published : 2003.04.01
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Abstract

Fishes were caught by a set net in the coastal waters off Yosu, Korea from April to October, 2001, and seasonal variation of abundance and species composition were studied. Fifty two species were identified as fish $(89\%)\;cephalopods\;(10\%)\;and\;crustaeans\;(1\%).$ Of the fishes Engraulis japonicus, Trachurus japonicus and Trichiurus lepturus were dominant species representing $64.1\%$ in total number of individuals. The number of species was high in spring and low in summer; number of individuals was high in spring and low in autumn. The diversity index (H') was 0.4-0.7 The abundance and species composition fluctuated seasonally. Occurrence of the various stages of fishes indicated that Scombia japonicus, T. japonicus and E japonicus utilized in the area as spawning ground, Conger myriaster larvae, Ammodytes personatus and Seriola quinqueradiata as nursery ground, and T. lepturus and Ilisha elongata as spawning and nursery grounds.

Keywords

References

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