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나로도 연안해역에 서식하는 수산생물의 계절별 종조성 및 어획량 변동
지동인(Dongin JI),민은비(Eun-bi MIN),윤은아(Eun-a YOON),황두진(Doojin HWANG) 전남대학교 어업기술연구소 2018 어업기술연구소보고지 Vol.11 No.1
Seasonal variation in catch-per-unit-effort (CPUE), species composition, and size frequency distribution of major fish species were analyzed for gill net, trap net, and long line fishing gear in the Korean coastal area of Go-heung in 2017. The dominant fish species were Raja pulchra for gill nets, Octopus vulgaris for trap nets and Muraenesox cinereus for long lines. Seasonal catch was the greatest in July and the least in March. Catch according to type of fishing gear was the highest for trap nets and the lowest for gill nets. The dominant species are similar to seasonal biological properties. Species compositions did not vary greatly between seasons. The catch per unit effort according to type of fishing gear was the greatest for gill nets and trap nets in July and for long lines in May. Gill nets, trap nets, and long lines had the lowest in March. The catch per unit effort based on the number of fish catch was the greatest for trap nets in March and long line appears the lowest, with long line was the highest. The CPUE for gill nets was the lowest in May, July, and October. The catch per unit effort based on the weight of the fish catch was similar to the catch per unit effort based on the number of fish caught.
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