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http://dx.doi.org/10.3796/KSFT.2015.51.4.493

Catch and Bycatch of Dredge in the Yeongil Bay, Pohang  

AN, Heui-Chun (Fisheries Resources and Environment Research Division, East Sea Fisheries Research Institute, National Institute of Fisheries Science)
PARK, Hae-Hoon (Fisheries Resources and Environment Research Division, East Sea Fisheries Research Institute, National Institute of Fisheries Science)
PARK, Jong-Myung (Fisheries Resources and Environment Research Division, East Sea Fisheries Research Institute, National Institute of Fisheries Science)
HONG, Sung-Eic (Bada Ecology Research)
YOON, Byoung-Sun (Fisheries Resources and Environment Research Division, East Sea Fisheries Research Institute, National Institute of Fisheries Science)
PARK, Chang-Doo (Fisheries Engineering Research Division, National Institute of Fisheries Science)
BAE, Jae-Hyun (Fisheries Resources and Environment Research Division, East Sea Fisheries Research Institute, National Institute of Fisheries Science)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.51, no.4, 2015 , pp. 493-503 More about this Journal
Abstract
Species composition and bycatch rate of the catches by dredge with bycatch reduction device to reduce bycatch were estimated around Yeongil Bay, Korea at June, 2015. Total catches were collected 31 species as Chordata 10 species, mollusca 8 species, arthropoda 6 species, echinodermata 5 species, sipunculida 1 species, annelida 1 species during the experiment at the Yeongil Bay. The dominant species were Scapharca broughtonii, Callithaca adamsi, and Atrina pectinata and they reached 79.9% of the total catch. The catch rate of Scapharca broughtonii and Callithaca adamsi was 69.6% and 10.4% respectively. The rate of bycatch was 20.1%, consisted with Echinodemata 13.0%, Chordata 3.6%. The catch of ordinary dredge was 27 species 1,307 number 85,052g and that of dredge with escapement device was 21 species 1,690 number 91,648g. In conclusion, the dredge gear with bycatch reduction device has higher catch rate of target species and lower bycatch rate to non-target species than ordinary one.
Keywords
catch; bycatch; dredge; species composition; escapement device;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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