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

  • 제54권4호
  • /
  • Pages.287-295
  • /
  • 2018
  • /
  • 2671-9940(pISSN)
  • /
  • 2671-9924(eISSN)
한국수산해양기술학회 (The Korean Society of Fisheries and Ocean Technology)
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당진 난지도 주변해역에서 분포하는 부유성 난 및 자치어의 종조성

Distribution of Ichthyoplankton in coastal waters of Nanji Island

  • 윤병일 (국립수산과학원 서해수산연구소) ;
  • 한경호 (전남대학교 수산과학과) ;
  • 이성훈 (전남대학교 수산과학과)
  • YOUN, Byeong-Il (Fisheries Resources and Environment Division, West Sea Fisheries Research Institute) ;
  • HAN, Kyung-Ho (Chonnam National University, Department of Aqualife Science) ;
  • LEE, Sung-Hun (Chonnam National University, Department of Aqualife Science)
  • 투고 : 2018.09.03
  • 심사 : 2018.11.19
  • 발행 : 2018.11.30
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초록

The ichthyoplanktons were sampled to study distribution of the ichthyoplankton in coastal waters of Nanji-Island in August and November 2015 and January and May 2016. During the study, fish eggs of eight different species were collected. Engraulis japonicus was the most dominant species which accounted 44.80%. Sebastes schlegeli comprised 31.39% of the total larvae and juveniles. The diversity index of species per month of the collected juveniles at Nanji Island from 2015 to 2016 was 0.598-1.770 and the evenness index was 0.432-0.761. In case of dominance index was 0.619-0.897 against the evenness index. The analyzed species diversity index by the each station was 0.818-1.945 and the dominance index was 0.492-0.897 against the species diversity index. The months of August and May exhibited similar results. In addition, the community structure was very similar in state 2 and state 3.

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