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Portuguese commercial fisheries of swordfish, Xiphias gladius

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dc.contributor.authorRoxo, André
dc.contributor.authorMendes, Susana
dc.contributor.authorCorreia, João
dc.date.accessioned2022-09-13T09:43:12Z
dc.date.available2022-09-13T09:43:12Z
dc.date.issued2017
dc.description.abstractSwordfish (Xiphias gladius) plays an important role in Portuguese fisheries. Portuguese commercial swordfish landings were analyzed from 1986 to 2012. Commercial landings of five incidental catches of pelagic sharks—bigeye thresher shark (Alopias superciliosus), thresher shark (Alopias vulpinus), shortfin mako shark (Isurus oxyrinchus), blue shark (Prionace glauca), and smooth hammerhead shark (Sphyrna zygaena)—were also evaluated for the same period. A total of 653 landings of swordfish (12,625 t) were observed in 62 ports. Annual landings for the fishery generally decreased over time, with a corresponding increase in price per kilogram. The most fished shark was blue shark, with 12,715 t in 48 ports. It was followed by shortfin mako, thresher, smooth hammerhead, and bigeye thresher (with 5113 t, 672 t, 19 t, and 0.45 t, respectively). Lowest landings of swordfish were observed in the first semester of each year, while catch levels of blue sharks were high during the same period. Shortfin mako catches did not raise until 2005. The remaining species studied always displayed lower landings, suggesting that most of them are bycaught.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAndré Roxo, Susana Mendes & João Correia (2017) Portuguese Commercial Fisheries of Swordfish, Xiphias gladius, Reviews in Fisheries Science & Aquaculture, 25:2, 150-157, DOI: 10.1080/23308249.2016.1251879pt_PT
dc.identifier.doi10.1080/23308249.2016.1251879pt_PT
dc.identifier.issn2330-8249
dc.identifier.issn2330-8257
dc.identifier.urihttp://hdl.handle.net/10400.8/7654
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherTaylor & Francispt_PT
dc.relation.publisherversionhttps://www.tandfonline.com/doi/full/10.1080/23308249.2016.1251879pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectOverfishingpt_PT
dc.subjectEuropean Union Common Fisheries Policypt_PT
dc.subjectCatch controlspt_PT
dc.subjectLandingspt_PT
dc.subjectBycatchpt_PT
dc.subjectManagementpt_PT
dc.titlePortuguese commercial fisheries of swordfish, Xiphias gladiuspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage157pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage150pt_PT
oaire.citation.titleReviews in Fisheries Science & Aquaculturept_PT
oaire.citation.volume25pt_PT
person.familyNameMENDES
person.familyNameCorreia
person.givenNameSUSANA
person.givenNameJoão
person.identifier322266
person.identifier414226
person.identifier.ciencia-id4514-12E2-1FD9
person.identifier.ciencia-id281D-9F46-4EAE
person.identifier.orcid0000-0001-9681-3169
person.identifier.orcid0000-0002-3613-5420
person.identifier.scopus-author-id33568138000
person.identifier.scopus-author-id7202364150
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationdb5be03b-2077-482b-a9cf-8b3e84861276
relation.isAuthorOfPublicationabeaad7a-8608-4693-8300-42ddd475fa59
relation.isAuthorOfPublication.latestForDiscoverydb5be03b-2077-482b-a9cf-8b3e84861276

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