발돌재질에 따른 참조기유자망의 수중거동특성
The behavior characteristics according to the quality of the sinkers of the yellow croaker drift gill net in the field
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초록
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.
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.
참고문헌 (14)
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