Effect of twine thickness on selectivity of gillnets for bogue, Boops boops, in Turkish waters

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dc.authoridOzen, Ozcan/0000-0002-9961-0081
dc.authoridAltin, Aytac/0000-0002-0327-6665
dc.contributor.authorAyaz, A.
dc.contributor.authorAltinagac, U.
dc.contributor.authorOzekinci, U.
dc.contributor.authorOzen, O.
dc.contributor.authorAltin, A.
dc.contributor.authorIsmen, A.
dc.date.accessioned2025-01-27T20:58:12Z
dc.date.available2025-01-27T20:58:12Z
dc.date.issued2011
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractTo investigate the effect of twine thickness on the selectivity of multifilament gillnet targeting bogue, Boops boops L., four different stations were sampled between March and November 2008 in the North Aegean Sea. Gillnets with 22, 23, and 25 mm nominal mesh size (bar length) each having two different twine thicknesses (approximately 0.45 mm and 0.54 mm empty set) were applied for this purpose. The deviances from the SELECT method revealed that lognormal models provided the best fits for both of the twine thicknesses. Results from the two-way ANOVA analyses revealed that the mean total lengths increased with the mesh size (F = 87.36; df = 2; P < 0.0001) and decreased with the twine thickness (F = 46.12; df = 1; P < 0.0001). The 22 mm mesh size net (0.45 mm empty set) captured significantly larger fish than the 23 mm mesh size net (0.54 mm empty set), probably due to the higher elasticity and flexibility of the thinner twine. Thus, fisheries' managers should take into consideration twine thickness while advising mesh size regulations in gillnet fisheries.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [106Y021]
dc.description.sponsorshipWe render thanks to the ship staff Alkan Oztekin, Cahit Ceviz and researcher Ozgur Cengiz for spending effort on this study and Dr. Umur Onal for spending time on editing the article. This study was supported by the Scientific and Technological Research Council of Turkey (TUBITAK Project number: 106Y021). Many thanks also to the anonymous reviewers for detailed comments on earlier drafts and for improving this paper.
dc.identifier.doi10.12681/mms.37
dc.identifier.endpage368
dc.identifier.issn1108-393X
dc.identifier.issue2
dc.identifier.scopus2-s2.0-84856753140
dc.identifier.scopusqualityQ1
dc.identifier.startpage358
dc.identifier.urihttps://doi.org/10.12681/mms.37
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26638
dc.identifier.volume12
dc.identifier.wosWOS:000299017200004
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherNatl Centre Marine Research
dc.relation.ispartofMediterranean Marine Science
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectBogue
dc.subjectTwine thickness
dc.subjectGillnet selectivity
dc.subjectDrive-in fishing method
dc.subjectSELECT method
dc.subjectNorth Aegean Sea
dc.titleEffect of twine thickness on selectivity of gillnets for bogue, Boops boops, in Turkish waters
dc.typeArticle

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