한국환경과학회지 (Journal of Environmental Science International)

  • 제21권10호
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  • Pages.1275-1286
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  • 2012
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
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한국 영일만에서 수산자원 종조성과 계절변동

Seasonal Variations of Fisheries Resources Composition in the Coastal Ecosystem of the Yongil Bay, Korea

  • 이재봉 (국립수산과학원 독도수산연구센터) ;
  • 신영재 (국립수산과학원 자원관리과) ;
  • 이수정 (국립수산과학원 자원관리과) ;
  • 이종희 (국립수산과학원 자원관리과) ;
  • 최영민 (국립수산과학원 동해수산연구소) ;
  • 이동우 (국립수산과학원 자원관리과) ;
  • 김상우 (국립수산과학원 동해수산연구소) ;
  • 양재형 (국립수산과학원 자원관리과)
  • Lee, Jae Bong (Dokdo Fisheries Research Center, National Fisheries Research and Development Institute) ;
  • Shin, Young Jae (Fisheries Resources Research Division, National Fisheries Research and Development Institute) ;
  • Lee, Soo Jeong (Fisheries Resources Research Division, National Fisheries Research and Development Institute) ;
  • Lee, Jong Hee (Fisheries Resources Research Division, National Fisheries Research and Development Institute) ;
  • Choi, Young Min (East Sea Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • Lee, Dong Woo (Fisheries Resources Research Division, National Fisheries Research and Development Institute) ;
  • Kim, Sang Woo (East Sea Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • Yang, Jae Hyeong (Fisheries Resources Research Division, National Fisheries Research and Development Institute)
  • 투고 : 2012.05.09
  • 심사 : 2012.10.09
  • 발행 : 2012.10.31
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초록

Coastal marine ecosystem plays important role of spawning and nursery grounds for fisheries resources. Yongil Bay is one of major coastal marine ecosystems, which is located in the southwestern East Sea of Korea. Species composition and abundance of marine organism in the Yongil Bay were investigated by season from March to November 2009. Gill net and pot fisheries were used for survey of pelagic and demersal species composition, and collected 106 species, 67 families, and 7 taxa of fisheries resources from the coastal ecosystem. Species were included 2 species in Ascidiacea, 2 species in Bivalvia, 6 in Cephalopoda, 22 in Crustacea, 5 in Echinodermata, 12 in Gastropoda, and 57 in Pisces. Diversity indices (Shannon index, H') showed seasonal variation with low value of 2.11 in winter, and high value of 2.63 in autumn. Main dominant species were Asterias amurensis, Pleuronectes yokohamae, Siphonalia spadicea fuscolineata, Trachurus japonicas, Sillago japonica, Conger myriaster, Volutharpa ampullaceal, Engraulis japonicus, Asterina pectinifera, and Portunus (Portunus) sanguinolentus that were occupied over 71.5% of total individuals, and 52.9% of wet weight. Seasonal variations of fisheries resources composition were discussed on correlationships with those of environmental factors in the coastal ecosystem of the Yongil Bay in Korea. Those results from this study will provide scientific data and information to develop the ecosystem-based coastal fisheries assessment and management system in Korea.

키워드

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피인용 문헌

  1. Maturity and Spawning of the Marbled Flounder Pseudopleuronectes yokohamae off the Coast of Pohang, East Sea vol.49, pp.3, 2016, https://doi.org/10.5657/KFAS.2016.0367
  2. Species composition and distribution property of dredge fishery in Yeongil Bay, Korea vol.52, pp.1, 2016, https://doi.org/10.3796/KSFT.2016.52.1.048