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Two sympatric, not externally discernible, and heavily exploited deepwater species with coastal migration during spawning season: implications for sustainable stocks management of Aphanopus carbo and Aphanopus intermedius around Madeira

2020Journal article Open access
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dc.contributor.authorVasconcelos, Joana
dc.contributor.authorSousa, Ricardo
dc.contributor.authorHenriques, Paulo
dc.contributor.authorAmorim, Antonieta
dc.contributor.authorDelgado, João
dc.contributor.authorRiera, Rodrigo
dc.date.accessioned2022-07-06T13:43:05Z
dc.date.available2022-07-06T13:43:05Z
dc.date.issued2020
dc.description.abstractSeveral artisanal fisheries target deep species. These stocks are highly sensitive to overfishing because of their slow growth and late maturation. This vulnerability is higher if species concentrate during spawning season in coastal areas, as occur with scabbardfish (Aphanopus spp.). We herein explore if two Aphanopus species (A. carbo and A. intermedius) that coexist show migration patterns to coastal areas during spawning. We analysed specimens of both species throughout 4 years (2014-2017) in a weekly basis and compare morphological parameters to the distance of the coast [coastal (< 12 nm) vs. offshore (> 12 nm)]. Both species showed coastal patterns of migration during the spawning season (October-December), with 65.90% of total specimens of A. carbo and 51.60% of A. intermedius being caught at < 12 nm during this season. Fishing events were also more numerous at < 12 nm to the coast during spawning season (46.6%) relative to non-spawning season (32.6%). A series of management measures, e.g. October 46 December season, were developed to preserve Aphanopus stocks in the NE Atlantic Ocean.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationVasconcelos, J., Sousa, R., Henriques, P., Amorim, A., Delgado, J., & Riera, R. (2020). Two sympatric, not externally discernible, and heavily exploited deepwater species with coastal migration during spawning season: implications for sustainable stocks management of Aphanopus carbo and Aphanopus intermedius around Madeira. Canadian Journal of Fisheries and Aquatic Sciences, 77(1), 124-131.pt_PT
dc.identifier.doi10.1139/cjfas-2018-0423pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/4371
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherCanadian Science Publishingpt_PT
dc.relationIntegrative Approach to develop bioindicators of overfishing symptoms in fully-exploited species in areas with differente protection and management regimes
dc.relationMARE - Marine and Environmental Sciences Centre
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectSmall-scale fisheriespt_PT
dc.subjectDeep seapt_PT
dc.subjectReproductivept_PT
dc.subjectAphanopuspt_PT
dc.subjectAtlantic Oceanpt_PT
dc.subjectMadeira (Portugal)pt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências da Vidapt_PT
dc.titleTwo sympatric, not externally discernible, and heavily exploited deepwater species with coastal migration during spawning season: implications for sustainable stocks management of Aphanopus carbo and Aphanopus intermedius around Madeirapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleIntegrative Approach to develop bioindicators of overfishing symptoms in fully-exploited species in areas with differente protection and management regimes
oaire.awardTitleMARE - Marine and Environmental Sciences Centre
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBSAB%2F143056%2F2018/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FMAR%2F04292%2F2019/PT
oaire.citation.endPage131pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage124pt_PT
oaire.citation.titleCanadian Journal of Fisheries and Aquatic Sciencespt_PT
oaire.citation.volume77pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameVasconcelos
person.familyNameSousa
person.familyNameHenriques
person.familyNameDelgado
person.familyNameRIERA
person.givenNameJoana
person.givenNameRicardo
person.givenNamePaulo
person.givenNameJoão
person.givenNameRODRIGO
person.identifier934239
person.identifier131658
person.identifier.ciencia-idEE13-2152-BBFC
person.identifier.ciencia-id7B18-5677-6571
person.identifier.ciencia-idCC16-7DB1-47E7
person.identifier.orcid0000-0003-3880-2554
person.identifier.orcid0000-0002-5416-6570
person.identifier.orcid0000-0001-5061-2732
person.identifier.orcid0000-0003-4268-7202
person.identifier.orcid0000-0003-1264-1625
person.identifier.ridI-4260-2013
person.identifier.scopus-author-id55619972800
person.identifier.scopus-author-id7003416980
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
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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