Effect of Hanging Ratio on Selectivity of Gillnets for Bogue (Boops boops, L. 1758)

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dc.contributor.authorKumova, Can Ali
dc.contributor.authorAltinagac, Ugur
dc.contributor.authorÖztekin, Alkan
dc.contributor.authorAyaz, Adnan
dc.contributor.authorAslan, Alparslan
dc.date.accessioned2025-01-27T20:47:43Z
dc.date.available2025-01-27T20:47:43Z
dc.date.issued2015
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThis study was conducted between November 2011 - January 2013 on Bogue gill nets in mesh size of 36, 40, 44 and 50 mm targeting bogue (Boops boops, L. 1758), which is used in commercial fishing commonly at Canakkale shores. The bouge nets were rigged in three varying hanging ratios (E = 0.40, E = 0.50, E = 0.60) with the purpose of determining the effect of hanging ratio to selectivity. SELECT (Share Each Lengthclass Catch Total) method was used to fit selectivity curves. Lognormal model gave the best fit for selectivity curve of bogue selection according to the findings obtained from five different curve models (normal location, normal scale, gamma, lognormal, bimodal). According to the lognormal method modal lengths of bogue nets in mesh size of 36, 40, 44 and 50 mm, following findings were obtained; in hanging ratio of 0.4, rigged nets are 18.65, 20.72, 22.80 and 25.90 cm, respectively; in hanging ratio of 0.5, rigged nets are 17.90, 19.89, 21.88 and 24.86 cm, respectively; in hanging ratio of 0.6, rigged nets are 16.98, 18.87, 20.75 and 23.58 cm, respectively. Model lengths of bogue nets that were used in field studies are quite higher than the first reproduction length. The results show that the nets used in research have no pressure on bogue stock. It was determined that the hanging ratio may affects the selectivity with the help of other factors. It is taken into account the hanging ratio together with the other factors affect the selectivity.
dc.description.sponsorshipTUBITAK project [106Y021]
dc.description.sponsorshipPresent study was supported by TUBITAK project 106Y021. Authors would like to thank to Ugur Ozekinci, Ozgur Cengiz and Cahit Ceviz for helps. This study is a part of the MSc thesis of Can Ali Kumova.
dc.identifier.doi10.4194/1303-2712-v15_2_44
dc.identifier.endpage567
dc.identifier.issn1303-2712
dc.identifier.scopus2-s2.0-84981501041
dc.identifier.scopusqualityQ2
dc.identifier.startpage561
dc.identifier.urihttps://doi.org/10.4194/1303-2712-v15_2_44
dc.identifier.urihttps://hdl.handle.net/20.500.12428/25020
dc.identifier.volume15
dc.identifier.wosWOS:000369845700022
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherCentral Fisheries Research Inst
dc.relation.ispartofTurkish Journal of Fisheries and Aquatic Sciences
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectSELECT
dc.subjecthanging ratio
dc.subjectCanakkale
dc.subjectgillnet
dc.subjectselectivity
dc.subjectbogue
dc.titleEffect of Hanging Ratio on Selectivity of Gillnets for Bogue (Boops boops, L. 1758)
dc.title.alternativeKupez (Boops boops, L. 1758) balığı avcılığında galsama ağlarının seçiciliği üzerine donam faktörünün etkisi
dc.typeArticle

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