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A review of reported effects of pelagic longline fishing gear configurations on target, bycatch and vulnerable species

2023Journal article Open Access
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dc.contributor.authorCasaca Santos, Catarina
dc.contributor.authorRosa, Daniela
dc.contributor.authorGonçalves, Jorge Manuel Santos
dc.contributor.authorCoelho, Rui
dc.date.accessioned2023-12-07T11:06:38Z
dc.date.available2023-12-07T11:06:38Z
dc.date.issued2023
dc.description.abstract1. A meta-analysis of 40 publications totalling 59 experiments was undertaken to review and assess the effects of changing the hook (circle vs. J-hooks or tuna hooks), bait (fish vs. squid) and leader (wire vs. nylon) type on retention and at haulback mortality rates of teleosts (tunas and billfishes), elasmobranchs and sea turtles caught on shallow-set and deep-set pelagic longline fisheries. 2. Circle hooks are a promising approach to mitigate the impact of pelagic longline fisheries on sea turtles, as they reduced sea turtle retention rates. The adoption of circle hooks would, however, also lead to a decrease in swordfish retention, the main target species of shallow-set pelagic longlines. 3. Using fish as bait resulted in lower retention rates of sea turtles, highlighting that option as an additional measure to further mitigate sea turtle bycatch. The bait type had non-significant effects on sharks, except for blue shark and shortfin mako, for which at-haulback mortality rates were significantly higher with fish bait. 4. The use of nylon leaders instead of wire leaders could serve as a conservation measure for sharks, as they reduced the retention of blue shark without adversely impacting the catches of swordfish. The results on the effect of the leader material types should, however, be interpreted with caution owing to the limited information available reporting on leader material effects. 5. When considering future research directions, priority should be given to experimental field work on the effects of leader material and on deep-set longlines. Evaluating the post-release survival of species should also be a priority.pt_PT
dc.description.sponsorshipLA/P/0101/2020pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1002/aqc.4027pt_PT
dc.identifier.eissn1099-0755
dc.identifier.urihttp://hdl.handle.net/10400.1/20188
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWileypt_PT
dc.relationPelagic sharks: a contribution to conservation and sustainable fisheries management in the Atlantic Ocean
dc.relationSustainable fisheries management of swordfish Xiphias gladius in the Atlantic and Indian Oceans: biology, population dynamics, stock structure, habitat use, and evaluation of alternative management options.
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBycatch mitigationpt_PT
dc.subjectConservationpt_PT
dc.subjectFisheries managementpt_PT
dc.subjectFishing mortalitypt_PT
dc.subjectMeta-analysispt_PT
dc.subjectPelagic longlinept_PT
dc.titleA review of reported effects of pelagic longline fishing gear configurations on target, bycatch and vulnerable speciespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitlePelagic sharks: a contribution to conservation and sustainable fisheries management in the Atlantic Ocean
oaire.awardTitleSustainable fisheries management of swordfish Xiphias gladius in the Atlantic and Indian Oceans: biology, population dynamics, stock structure, habitat use, and evaluation of alternative management options.
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBD%2F139187%2F2018/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F136074%2F2018/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%2F2020/PT
oaire.citation.titleAquatic Conservation: Marine and Freshwater Ecosystemspt_PT
oaire.fundingStreamOE
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameCasaca Santos
person.familyNameRosa
person.familyNameGonçalves
person.familyNameCoelho
person.givenNameCatarina
person.givenNameDaniela
person.givenNameJorge Manuel Santos
person.givenNameRui
person.identifier356846
person.identifier134638
person.identifier.ciencia-id0512-E394-FF42
person.identifier.ciencia-id1013-ED6A-65EB
person.identifier.ciencia-idDC1A-20B7-EAC0
person.identifier.orcid0000-0002-2253-0737
person.identifier.orcid0000-0001-7156-7408
person.identifier.orcid0000-0001-7704-8190
person.identifier.orcid0000-0003-3813-5157
person.identifier.ridG-5206-2011
person.identifier.ridC-1163-2008
person.identifier.scopus-author-id7103326116
person.identifier.scopus-author-id56257111100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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