Determining the hook selectivity of bottom longline used for European hake (Merluccius merluccius, L. 1758) in Saros Bay (northern Aegean Sea, Turkey)

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dc.contributor.authorOztekin, A.
dc.contributor.authorOzekinci, U.
dc.contributor.authorAyaz, A.
dc.date.accessioned2025-01-27T20:58:11Z
dc.date.available2025-01-27T20:58:11Z
dc.date.issued2020
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThis study was carried out at Saros Bay, between June 2011 and July 2013 to determine hook selectivity of bottom longlines used in European hake (Merluccius merluccius, L. 1758) fishing. Throughout the study; thick type, 6, 7, 8 and 9 sized flat hooks were used between 150 and 400 m depth. 36 fishing operations were carried out and 222 fish were caught using 7200 hooks in total. Depending on the size of hooks; number 8 was the most efficient hook that has caught 114 fish and number 6 was the least efficient one that has caught only 14 fish. The SELECT method is used in the determination of the selectivity parameters. Bi model has given the best fit according to selectivity analysis of five different models. Optimum catching lengths found were 60.09 cm for 6 number hook; 51.45 cm for 7 number hook; 46.43 cm for 8 number hook; 40.11 cm for 9 number hook, in Bi Model model. Minimum size limit for European hake is 25 cm in Turkey. Considering the minimum size limit, use of hooks with gapes larger than number 9 hook (11.75 mm) used in this study is suggested.
dc.description.sponsorship[ARGE 11/16]
dc.description.sponsorshipThis study was summarized from the A Oztekin's PhD thesis entitled Determining fishing compositions and selectivity of bottom long line kits used in North Aegean Sea carried out with financial support of (TAGEM project number: ARGE 11/16).
dc.identifier.doi10.22092/ijfs.2020.122555
dc.identifier.endpage2617
dc.identifier.issn1562-2916
dc.identifier.issue5
dc.identifier.scopus2-s2.0-85095700344
dc.identifier.scopusqualityQ3
dc.identifier.startpage2608
dc.identifier.urihttps://doi.org/10.22092/ijfs.2020.122555
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26633
dc.identifier.volume19
dc.identifier.wosWOS:000577113700029
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIranian Fisheries Science Research Inst-Ifsri
dc.relation.ispartofIranian Journal of Fisheries Sciences
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectEuropean hake
dc.subjectMerluccius merluccius
dc.subjectSaros Bay
dc.subjectHook selectivity
dc.subjectBottom longline
dc.titleDetermining the hook selectivity of bottom longline used for European hake (Merluccius merluccius, L. 1758) in Saros Bay (northern Aegean Sea, Turkey)
dc.typeArticle

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