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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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학술저널
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한국수산해양기술학회(구한국어업기술학회) 수산해양기술연구 수산해양기술연구 제44권 제3호
발행연도
2008.1
수록면
174 - 183 (10page)

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In order to develop the substitutive materials for natural baits of swimming crab pots, the fluorescent characteristics of the baits were analyzed, and the preference of fluorescent dyes were investigated by the mean entrapped catch number to the pots through the water tank experiments and fishing experiments. On the investigation of fluorescent characteristics by the 5 kinds of baits, mackerel, krill, manila clam, pig's fat and chicken's head which were used in substitutive baits for test in the UV long wave(365㎚) area, it showed clear blue fluorescence in the skin of mackerel, shell of krill, manila clam and bill of chicken's head, and green fluorescence in the mackerel's muscle and internals, and yellow fluorescence in the pig's fat and chicken's head. On the investigation of fluorescent characteristics by the bait cages in the UV short wave(254㎚) and long wave(365㎚) area, it showed each green, red and blue fluorescence in the cylinderical or hexahedral red plastic bait cages which were painted each green, red and blue fluorescence dyes, but it showed yellowish green flourescence in the cylinderical or hexahedral red plastic bait cage which was painted yellow fluorescent dye. On the preference investigation of the fluorescent dyes of swimming crabs by the 5 kinds of the bait cages which were put the mackerel in the non-fluorescent red plastic cage(RFN), yellow, green, red and blue fluorescent plastic cages(RF, YF, GF, BF) each, non-fluorescent red plastic cage(RFN) was entrapped mean 2.0(6.7%), but blue fluorescent plastic cage(BF) was mean 5.0(16.7%) and it was more 2.5 times comparing to RFN, and red fluorescent cage(RF) was same level and green fluorescent cage(GF) was 50% of catch number comparing to RFN, and yellow fluorescent cage(YF) was entrapped nothing(F＝46.324, P＜0.05). On the investigation of the entrapped catch number to the pots which were put the mackerel in the blue fluorescent hexahedral plastic cage(HP) and blue fluorescent silicon mackerel model cage(SM), HP was mean 3.4(11.3%) and it was a little more comparing to SM which was entrapped mean 3.2(10.7%)(t＝0.775, P＞0.05). Fishing experiments on the preference investigation of swimming crabs by the pots which were put in the non-fluorescent red plastic cage(RFN) and blue fluorescent plastic cage(BF) were conducted 3 times. Mean catching number and weight of RFN were 71.7 ind.(18.3%) and 16.9kg(64.3%), and those of BF were 93.0 ind.(23.1%) and 19.8kg(64.5%), respectively.
#Fuorescent characteristics #Simming crab pots #Bits #bait cage #Fshing experiments

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참고문헌 (14)

참고문헌 신청
/ / Wikipedia, 2006. The free encyclopedia google schola An, Y.I. / 2007 / Development of artificial bait for octopus drift line / Jour. Kor. Soc. Fish. Tech 43 (4) : 291 ~ 300 google schola Carr, W.E.S. / 1983 / Adenosine 5- monophoshpate, an internal regulatory agent, is a potent chemoattractant for a marine shrimp / J. Comp. Phsiol 153 : 47 ~ 53 google schola Carr, W.E.S. / 1986 / Chemically stimulated feeding behavior in marine animals / J. Chem. Ecol 12 : 989 ~ 1011 google schola Chang, H.Y. / 2007 / Attracting effect of baits used in trap for swimming crab / Jour. Kor. Soc. Fish. Tech 43 (4) : 301 ~ 309 google schola

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