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http://dx.doi.org/10.3796/KSFT.2013.49.4.360

Study on the size selectivity of a gillnet for Pacific herring (Clupea pallasii) in the eastern sea of Korea  

An, Heui-Chun (Aquaculture Industry Division, East Sea Fisheries Research Institute, NFRDI)
Bae, Jae-Hyun (Aquaculture Industry Division, East Sea Fisheries Research Institute, NFRDI)
Kim, Seonghun (Fisheries System Engineering Division, National Fisheries Research & Development Institute)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.49, no.4, 2013 , pp. 360-367 More about this Journal
Abstract
The mesh selectivity of the gillnet for Pacific herring (Clupea pallasii) was examined in field experiments with four different mesh sizes (63, 69, 75 and 81mm) from June to July, 2013 in the coastal areas of Imwon in Gangwon province. The fishing performance tests were conducted with a commercial Pacific herring gillnet and a biodegradable gillnet for Pacific herring together selectivity tests. The filed tests were carried out the total 11 times. The master curve of selectivity was estimated by the extended Kitahara's method. In the results, the catch number of Pacific herring was 9,409 (2,203kg) and occupied 84.2% in total catches weight. The optimal mesh size for 50% retention on first maturity size (female, 250mm) of Pacific herring was estimated as 64.5mm by master selectivity curves. The fishing performance of the biodegradable gillnet was showed to be equivalent with commercial gill for Pacific herring.
Keywords
Pacific herring; Gill net; Selectivity; Master curve; Kitahara's method;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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