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Assessing the effects of hook, bait and leader type as potential mitigation measures to reduce bycatch and mortality rates of shortfin mako: a meta-analysis with comparisons for target, bycatch and vulnerable fauna interactions

2020Working paper Open access
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dc.contributor.authorRosa, Daniela
dc.contributor.authorCasaca Santos, Catarina
dc.contributor.authorCoelho, Rui
dc.date.accessioned2021-04-07T16:52:18Z
dc.date.available2021-04-07T16:52:18Z
dc.date.issued2020
dc.description.abstractA meta-analysis of 24 publications was conducted to assess effects of hook, bait and leader type on retention rates of target, bycatch and vulnerable species of the pelagic longline fishery. Retention rate and at-haulback mortality rate analyses considered hook type, bait type, the combination of both variables and leader type. Turtles and swordfish had a lower retention rate with circle hooks. In contrast, retention rates of 3 sharks and 2 tuna species were greater with circle hooks. Bait type alone did not seem to significantly influence the retention rates of most of the species examined. Results were mixed when considering the combined effects of hook and bait type. Wire leader led to a decrease in retention rates of bony fishes and a mix for elasmobranchs. For at-haulback mortality, hook type was the most influential, while bait type only influenced blue shark at-haulback mortality. Leader type did not have a significant effect. The results presented here should be considered preliminary. Future work will consider information on at-haulback mortality rates for bony fishes and sea turtle and expanded information on fishery characteristics.pt_PT
dc.description.sponsorshipEASME/EMFF/2016/008/ IF/00253/2014/ SFRH/BD/139187/2018/ SFRH/BD/136074/2018pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRosa, D., Santos, C. C., & Coelho, R. (2020). Assessing the effects of hook, bait, and leader type as potential mitigation measures to reduce bycatch and mortality rates of shortfin mako: a meta-analysis with comparisons for target, bycatch, and vulnerable fauna interactions. Collect. Vol. Sci. Pap. ICCAT, 76(10), 247-278.pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.1/15344
dc.language.isoengpt_PT
dc.peerreviewednopt_PT
dc.publisherICCATpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectJ-hookspt_PT
dc.subjectCircle hookspt_PT
dc.subjectSquidpt_PT
dc.subjectFishpt_PT
dc.subjectTargetpt_PT
dc.subjectBycatchpt_PT
dc.titleAssessing the effects of hook, bait and leader type as potential mitigation measures to reduce bycatch and mortality rates of shortfin mako: a meta-analysis with comparisons for target, bycatch and vulnerable fauna interactionspt_PT
dc.typeworking paper
dspace.entity.typePublication
oaire.citation.endPage278pt_PT
oaire.citation.startPage247pt_PT
oaire.citation.titleCollective Volume of Scientific Papers ICCATpt_PT
oaire.citation.volume76pt_PT
person.familyNameRosa
person.familyNameCasaca Santos
person.familyNameCoelho
person.givenNameDaniela
person.givenNameCatarina
person.givenNameRui
person.identifier134638
person.identifier.ciencia-id0512-E394-FF42
person.identifier.ciencia-idDC1A-20B7-EAC0
person.identifier.orcid0000-0001-7156-7408
person.identifier.orcid0000-0002-2253-0737
person.identifier.orcid0000-0003-3813-5157
person.identifier.ridC-1163-2008
person.identifier.scopus-author-id56257111100
rcaap.rightsopenAccesspt_PT
rcaap.typeworkingPaperpt_PT
relation.isAuthorOfPublicationa9de9fd6-e33b-4a43-b9fb-3b9cb4cdd433
relation.isAuthorOfPublicationf9c93cfc-9da0-4049-909e-41c83114e549
relation.isAuthorOfPublication6366aa1b-1301-43a3-b2b0-1280311ac95f
relation.isAuthorOfPublication.latestForDiscoverya9de9fd6-e33b-4a43-b9fb-3b9cb4cdd433

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