Journal of the Korean Society of Fisheries and Ocean Technology (수산해양기술연구)

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Monthly fluctuation in abundance and species composition of fish collected by a shrimp beam trawl in coastal waters off Oenaro Island, Goheung

고흥 나로도 연안에서 새우조망에 어획된 어류의 종조성 및 월변동

  • YU, Tae-Sik (Department of Fisheries Sciences, Chonnam National University) ;
  • LEE, Seong-Hoon (Department of Fisheries Sciences, Chonnam National University) ;
  • JI, Hyun-Il (Seomjin river fish museum) ;
  • HAN, Kyeong-Ho (Department of Fisheries Sciences, Chonnam National University)
  • Received : 2019.11.26
  • Accepted : 2020.01.29
  • Published : 2020.02.28
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Abstract

Monthly fluctuation in abundance and species composition of fish in coastal waters off Oenaro island, Goheung were investigated using seasonal samples collected by a shrimp beam trawl in 2018. A total of 5,981 fishes were sampled and classified into 48 species, 32 families, and 9 orders. The dominant species was Engraulis japonicus (993 individuals, 16.60%), Amblychaeturichthys hexanema (844 individuals, 14.11%), and Thryssa kammalensis (674 individuals, 11.27%). The highest number of individuals was found in August (958 individuals), while the lowest number of individuals was found in January (136 individuals). The diversity index was the highest in November (H' = 2.37) and the lowest in January (H' = 1.77).

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References

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