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제주도 사계연안 어란의 분자동정과 격월별 출현양상

Molecular Identification and Bimonthly Abundance of Fish Eggs Collected in the Coastal Waters of Sagye, Jejudo Island

  • 한송헌 (국립수산과학원 서해수산연구소) ;
  • 김맹진 (국립수산과학원 서해수산연구소) ;
  • 김준상 (한국수산자원관리공단 제주지사) ;
  • 송춘복 (제주대학교 해양과학대학)
  • Han, Song-Hun (Fisheries Resources and Environment Division, National Fisheries Research and Development Institute) ;
  • Kim, Maeng Jin (Fisheries Resources and Environment Division, National Fisheries Research and Development Institute) ;
  • Kim, Joon Sang (Korea Fisheries Resources Agency, Jeju Branch) ;
  • Song, Choon Bok (College of Ocean Sciences, Jeju National University)
  • 투고 : 2017.10.19
  • 심사 : 2017.12.05
  • 발행 : 2017.12.31

초록

This study investigated the species composition and abundance of floating fish eggs to determine the timing and location of spawning of fish inhabiting the coastal waters of Sagye, Jejudo Island. Eggs were collected with a Bongo net bimonthly from May 2009 to February 2010. Identifications were based on nucleotide sequences of the mitochondrial cytochrome c oxidase subunit I (COI) gene. Eggs were determined to belong to 43 distinct taxa, 35 of which were identified to the species level. The assemblage spanned eight orders, 23 families, and 32 genera. The number of taxa collected varied from month to month, with 14 taxa (12 species) found in June 2009, 11 taxa (10 species) in October 2009, 10 taxa (nine species) each in August 2009 and February 2010, eight taxa (six species) in April 2009, and five taxa (four species) in December 2009. Five abundant species (Branchiostegus japonicus, Engraulis japonicus, Pseudolabrus sieboldi, Goniistius zonatus, and Halichoeres tenuispinis) together represented 52.8% of the total number of eggs collected during the study.

키워드

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