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황해저층냉수에 따른 참조기(Larimichthys polyactis) 어황의 변화와 예측 가능성

Predicting Changes in Fishing Conditions for the Small Yellow Croaker Larimichthys polyactis based on Expansions of the Yellow Sea Bottom Cold Water

  • 임유나 (국립수산과학원 남서해수산연구소) ;
  • 김희용 (국립수산과학원 남서해수산연구소) ;
  • 김대현 (오션테크(주))
  • Lim, Yu Na (Southwest Sea Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • Kim, Heeyong (Southwest Sea Fisheries Research Institute, National Fisheries Research and Development Institute) ;
  • Kim, Dae Hyun (Oceantech Co.)
  • 투고 : 2014.04.09
  • 심사 : 2014.05.30
  • 발행 : 2014.08.31

초록

We consider changes in the fishing ground of the small yellow croaker Larimichthys polyactis and discuss their utility in predicting fishing conditions for this species. The fishing ground, which having been formed around Jeju Island since the 1970s, is dominated by the Yellow Sea Bottom Cold Water (YSBCW), and variation in its southward expansion from the Yellow Sea is the single most key environmental factor affecting the L. polyactis catch. When the YSBCW showed strong expansion and the fishing ground shifted to the west and southwest of Jeju Island, as occurred in the late 1980s, late 1990s, and early 2000s, the L. polyactis catch was low; conversely, when expansion was weak, as in the early 1990s and late 2000s, the L. polyactis catch was high. This relationship was statistically significant and should be useful in predicting fishing conditions for L. polyactis.

키워드

참고문헌

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피인용 문헌

  1. Community Composition and Distribution of Fish Species Collected by Bottom Trawl from the Middle of the Yellow Sea in Summer (2008-2014) vol.49, pp.6, 2016, https://doi.org/10.5657/KFAS.2016.0849