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Assessment of harbour porpoise bycatch along the Portuguese and Galician Coast: insights from strandings over two decades

2023-08-15Journal article Open access
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dc.contributor.authorTorres-Pereira, Andreia
dc.contributor.authorAraújo, Hélder
dc.contributor.authorMonteiro, Silvia Silva
dc.contributor.authorFerreira, Marisa
dc.contributor.authorBastos-Santos, Jorge
dc.contributor.authorSá, Sara
dc.contributor.authorNicolau, Lídia
dc.contributor.authorMarçalo, Ana
dc.contributor.authorMarques, Carina
dc.contributor.authorTavares, Ana Sofia
dc.contributor.authorDe Bonis, Myriam
dc.contributor.authorCovelo, Pablo
dc.contributor.authorMartínez-Cedeira, José
dc.contributor.authorLópez, Alfredo
dc.contributor.authorSequeira, Marina
dc.contributor.authorVingada, José
dc.contributor.authorEira, Catarina
dc.date.accessioned2023-09-13T12:00:23Z
dc.date.available2023-09-13T12:00:23Z
dc.date.issued2023-08-15
dc.date.updated2023-08-25T12:38:11Z
dc.description.abstractThe Iberian harbour porpoise population is small and fisheries bycatch has been described as one of its most important threats. Data on harbour porpoise strandings collected by the Portuguese and Galician stranding networks between 2000 and 2020 are indicative of a recent mortality increase in the western Iberian coast (particularly in northern Portugal). Overall, in Portugal and Galicia, individuals stranded due to confirmed fishery interaction represented 46.98% of all analysed porpoises, and individuals stranded due to probable fishery interaction represented another 10.99% of all analysed porpoises. Considering the Portuguese annual abundance estimates available between 2011 and 2015, it was possible to calculate that an annual average of 207 individuals was removed from the population in Portuguese waters alone, which largely surpasses the potential biological removal (PBR) estimates (22 porpoises, CI: 12–43) for the same period. These results are conservative and bycatch values from strandings are likely underestimated. A structured action plan accounting for new activities at sea is needed to limit the Iberian porpoise population decline. Meanwhile, there is an urgent need for a fishing effort reorganization to directly decrease porpoise mortality.pt_PT
dc.description.sponsorshipLA/P/0094/2020; LA/P/0101/2020pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifierdoi: 10.3390/ani13162632
dc.identifier.citationAnimals 13 (16): 2632 (2023)pt_PT
dc.identifier.doi10.3390/ani13162632pt_PT
dc.identifier.issn2076-2615
dc.identifier.urihttp://hdl.handle.net/10400.1/19976
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationPROJECTO MARPRO: A IMPORTÂNCIA DA CULTURA CIENTÍFICA PARA A CONSERVAÇÃO DOS RECURSOS NATURAIS MARINHOS
dc.relationLong-term conservation of the meridional harbour porpoise ecotype Phocoena phocoena
dc.relationMarine Litter: trends and impacts on marine fauna
dc.relationINFLUÊNCIA DE FACTORES ANTROPOGÉNICOS NA COMUNIDADE DE PEQUENOS CETÁCEOS AO LONGO DA ZONA COSTEIRA DO CENTRO DE PORTUGAL
dc.relationSmall cetaceans as persistent organic pollutants biomonitoring tools in marine waters of continental Portugal. provisório
dc.relationINTERACÇÕES DA PESCA DE CERCO COM POPULAÇÕES DE PEQUENOS CETÁCEOS NA COSTA PORTUGUESA
dc.relationPROGRAMA DOUTORAL EM BIOLOGIA E ECOLOGIA DAS ALTERAÇÕES GLOBAIS DA UNIV. DE AVEIRO
dc.relationCentre for Environmental and Marine Studies
dc.relationCentre for Environmental and Marine Studies
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectIberian Peninsula; ; ; ; ;pt_PT
dc.subjectMarine mammalspt_PT
dc.subjectPhocoena phocoenapt_PT
dc.subjectFisheriespt_PT
dc.subjectPotential biological removalpt_PT
dc.subjectCritically endangeredpt_PT
dc.titleAssessment of harbour porpoise bycatch along the Portuguese and Galician Coast: insights from strandings over two decadespt_PT
dc.typejournal article
dspace.entity.typePublication
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oaire.awardTitleLong-term conservation of the meridional harbour porpoise ecotype Phocoena phocoena
oaire.awardTitleMarine Litter: trends and impacts on marine fauna
oaire.awardTitleINFLUÊNCIA DE FACTORES ANTROPOGÉNICOS NA COMUNIDADE DE PEQUENOS CETÁCEOS AO LONGO DA ZONA COSTEIRA DO CENTRO DE PORTUGAL
oaire.awardTitleSmall cetaceans as persistent organic pollutants biomonitoring tools in marine waters of continental Portugal. provisório
oaire.awardTitleINTERACÇÕES DA PESCA DE CERCO COM POPULAÇÕES DE PEQUENOS CETÁCEOS NA COSTA PORTUGUESA
oaire.awardTitlePROGRAMA DOUTORAL EM BIOLOGIA E ECOLOGIA DAS ALTERAÇÕES GLOBAIS DA UNIV. DE AVEIRO
oaire.awardTitleCentre for Environmental and Marine Studies
oaire.awardTitleCentre for Environmental and Marine Studies
oaire.awardTitleAlgarve Centre for Marine Sciences
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oaire.citation.issue16pt_PT
oaire.citation.startPage2632pt_PT
oaire.citation.titleAnimalspt_PT
oaire.citation.volume13pt_PT
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