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

  • 제49권1호
  • /
  • Pages.1-17
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  • 2013
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  • 2671-9940(pISSN)
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  • 2671-9924(eISSN)
한국수산해양기술학회 (The Korean Society of Fisheries and Ocean Technology)
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삼중자망에 의한 동해 심해 수산자원의 망목별 어획특성

Fishing investigation with trammel nets by mesh size in the Korean deep-water of the East Sea

  • 박해훈 (국립수산과학원 수산공학과)
  • 투고 : 2012.08.06
  • 심사 : 2013.02.15
  • 발행 : 2013.02.28
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초록

The investigation for species composition and catch in the Korean deep-water of the East Sea (also known as Sea of Japan) was carried out with trammel nets of 7 mesh sizes (6.1~24.2cm) offshore Donghae (2006) and Yangyang (2007) of Korea. The catches were 1,268kg and composed of 37 species between 200m and 1,200m in depth. The principal species caught were Taknka's snailfish, salmon snailfish, red snow crab, hunchback sculpin, snow crab, spinyhead sculpin, Tanaka's eelpout, Alaska cod and so on. Those were target fish for commercial value except salmon snailfish. The mesh sizes for the largest catch were 10.6cm and 15.2cm in the fishing ground of Donghae and Yangyang, respectively. The habitat of snow crab was shallower than that of red snow crab in both areas. Trammel net enabled to investigate fish in deep-water with small fishing vessel and rather cheap expenses in contrast to bottom trawl that required too much of it. With increasing inner mesh size of trammel net the mean size of some principal species such as Taknka's snailfish, spinyhead sculpin, hunchback sculpin, Pacific cod, snow crab, red snow crab and hybrid between snow crab and red snow crab tended to be large in certain range of mesh size.

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참고문헌

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피인용 문헌

  1. Species Composition and Community Structure of Demersal Fish Caught by a Danish Seine Fishery in the Coastal Waters of the Middle and Southern East Sea, Korea vol.48, pp.4, 2015, https://doi.org/10.5657/KFAS.2015.0529