Comparison of the selectivities of double and single codends

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dc.contributor.authorOzbilgin, H
dc.contributor.authorTosunoglu, Z
dc.date.accessioned2019-10-27T19:00:01Z
dc.date.available2019-10-27T19:00:01Z
dc.date.issued2003
dc.departmentEge Üniversitesien_US
dc.description.abstractThis study investigates the differences in the selectivities of 40 rum mesh size single and double codends. The comparisons were carried out in the Bay of Izmir in the Eastern Aegean Sea between 4 and 18 April 2002. A conventional, 600 meshes around mouth, commercially used bottom trawl was operated. Selectivity data were collected in nine hauls with single, and nine hauls with double codends for red mullet (Mullus barbatus), annular sea bream (Diplodus annularis), and common pandora (Pagellus erythrinus). The hooped covered codend method was used for data collection. The data were pooled due to insufficient numbers of fish recorded in individuals hauls, and the selectivity parameters were obtained using a logistic equation with the maximum likelihood method. The single codend had higher L-50 values than the double codend, while the SRs are similar for both the codends for all the species. L-50's of double and single codends were 9.0 and 10.1 cm, respectively for red mullet; 7.7 and 8.7 cm for annular sea bream; and 8.1 and 10.5 cm for common pandora. The results confirm that the use of double codend impedes the escapements of significant proportions of immature fish. (C) 2003 Elsevier Science B.V. All rights reserved.en_US
dc.identifier.doi10.1016/S0165-7836(03)00005-5
dc.identifier.endpage147en_US
dc.identifier.issn0165-7836
dc.identifier.issn0165-7836en_US
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage143en_US
dc.identifier.urihttps://doi.org/10.1016/S0165-7836(03)00005-5
dc.identifier.urihttps://hdl.handle.net/11454/37719
dc.identifier.volume63en_US
dc.identifier.wosWOS:000183604300012en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofFisheries Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectdouble codenden_US
dc.subjectselectivityen_US
dc.subjectAegean Seaen_US
dc.subjectred mulleten_US
dc.subjectannular sea breamen_US
dc.subjectcommon pandoraen_US
dc.titleComparison of the selectivities of double and single codendsen_US
dc.typeArticleen_US

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