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http://dx.doi.org/10.3796/KSFT.2011.47.4.290

Relative efficiency of monofilament and multifilament nylon gill net forMarbled sole (Pleuronectes yokohamae) in the western sea of Korea  

Kim, In-Ok (Aquaculture Industry Division, West Sea Fisheries Research Institute, National Fisheries Research & Development Institute)
Park, Chang-Doo (Fisheries System Engineering Division, National Fisheries Research & Development Institute)
Cho, Sam-Kwang (Fisheries System Engineering Division, National Fisheries Research & Development Institute)
Kim, Hyun-Young (Fisheries System Engineering Division, National Fisheries Research & Development Institute)
Cha, Bong-Jin (Fisheries System Engineering Division, National Fisheries Research & Development Institute)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.47, no.4, 2011 , pp. 290-299 More about this Journal
Abstract
Field tests were carried out with five different mesh sizes (86.6, 101.0, 121.2, 137.7, 151.5mm) to study the relative efficiency of monofilament and multifilament gill net for Marbled sole, Pleuronectes yokohamae, in the western sea of Korea, 2007-2009. The relative efficiency was analyzed by length distribution, catch in number, catch in weight and weight per individual for Marbled sole. Statistical T-test was done to verify the efficiency between two gears. In the field tests, the total body length range, catch in number and weight of Marbled sole was 15.8-48.2cm, 728 and 254,939g, respectively. During the field tests, Marbled sole less than 15cm length which is prohibition size of fishing was not caught, but the caught number of Marbled sole less than 19.5cm length which is first maturity length was 13 (1.8%) and the caught number of Marbled sole more than 19.5cm was 715 (98.2%). Catches of monofilament gill net was average 1.4 times more efficient than multifilament gill net. The weight per individual and total length by mesh sizes in the two gears tended to gradually increase according to mesh size increasing. But there was little difference of weight per individual and total length by mesh sizes between two gears.
Keywords
Gill net; Marbled sole; Relative efficiency; Monofilament; Multifilament;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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