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The behavior characteristics according to the quality of the sinkers of the yellow croaker drift gill net in the field

발돌재질에 따른 참조기유자망의 수중거동특성

  • Kang, Kyoung-Bum (Department of Marine Industrial Engineering, Jeju National University) ;
  • Kim, Suk-Jong (Department of Marine Industrial Engineering, Jeju National University)
  • 강경범 (제주대학교 해양산업공학과) ;
  • 김석종 (제주대학교 해양산업공학과)
  • Published : 2010.02.28

Abstract

As a series of studies about improvement of yellow croaker drift gill net fishing gear and development of the labor saving fishing system, this study analyzed the behavior characteristics of fishing gear, which does use three types of different sinker materials in the field tests. The result of maritime performance test indicated that the fishing gear which used the lead reached the maximum depth and bio ceramics hauled to the surface of water the fastest. The correlation between the sinking time (St) and depth (Dsl, Dsc, Dsb) of maritime performance test can be shown such experimental equations as Dsl=2.70St - 0.75, Dsc = 2.38St - 1.15, Dsb = 1.77St - 4.00. The correlation between the hauling time (Ht) and depth (Dhl, Dhc, Dhb) of maritime performance test can be shown such experimental equations as and Dhl = 7.88Ht + 35.48, Dhc = 7.80Ht + 40.01, Dhb = 7.95Ht + 36.44.

References

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Cited by

  1. Characteristics on the fishing performance of a drift net for yellow croaker (Larimichthys polyactis) in accordance with the thickness of a net twine vol.49, pp.3, 2013, https://doi.org/10.3796/KSFT.2012.49.3.218