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The decline in recruitment of the European eel: new insights from a 40-year-long time-series in the Minho estuary (Portugal)

2018Journal article Restricted access
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dc.contributor.authorCorreia, Maria João
dc.contributor.authorCosta, José Lino
dc.contributor.authorAntunes, Carlos
dc.contributor.authorDe Leo, Giulio
dc.contributor.authorDomingos, Isabel
dc.date.accessioned2020-01-19T20:38:37Z
dc.date.available2020-01-19T20:38:37Z
dc.date.issued2018
dc.description.abstractIn the past three decades the European eel Anguilla anguilla experienced up to 99% decline in recruitment in some parts of its distribution range. In addition to this long-term trend, glass eel recruitment exhibits significant inter-annual variability partially explained by large-scale oceanographic processes as well as local-scale meteorological and hydrological variables. A 40-year long time series of glass eel fishery catch in the Minho estuary, Portugal, was used to assess (a) whether local recruitment followed the general pattern of decline of A. anguilla observed elsewhere, and (b) whether environmental variables may explain inter-annual fluctuations in glass eel recruitment in the Minho estuary. The analysis shows that, in contrast to the majority of coastal systems in northern Europe and the Mediterranean, CPUE of glass eel in the Minho estuary did not exhibit a marked decline between 1974–2015 and never dropped below 20% of the 10-year mean (1974–1983), taken as baseline. The difference between the recruitment trend observed in the Minho river and that reported by WGEEL for wider European geographical scales highlights the need to calculate recruitment indices with a higher geographic resolution to better support the assessment of the status of the European eel population.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1093/icesjms/fsy073pt_PT
dc.identifier.issn1054-3139
dc.identifier.urihttp://hdl.handle.net/10451/41194
dc.language.isoengpt_PT
dc.publisherOxford University Presspt_PT
dc.relation.publisherversionhttps://academic.oup.com/icesjms/article-abstract/75/6/1975/5046594pt_PT
dc.subjectAnguilla anguillapt_PT
dc.subjectenvironmental variablespt_PT
dc.subjectglass eel recruitmentpt_PT
dc.subjecttime-seriespt_PT
dc.titleThe decline in recruitment of the European eel: new insights from a 40-year-long time-series in the Minho estuary (Portugal)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1983pt_PT
oaire.citation.issue6pt_PT
oaire.citation.startPage1975pt_PT
oaire.citation.titleICES Journal of Marine Sciencept_PT
oaire.citation.volume75pt_PT
person.familyNameCorreia
person.familyNameCosta
person.familyNameDomingos
person.givenNameMaria
person.givenNameJosé Lino
person.givenNameIsabel
person.identifier.ciencia-id5012-7371-111A
person.identifier.ciencia-id7519-E986-8350
person.identifier.ciencia-id8C11-9F59-C341
person.identifier.orcid0000-0003-3764-1381
person.identifier.orcid0000-0002-3843-4635
person.identifier.orcid0000-0002-0795-5614
person.identifier.ridB-1737-2012
person.identifier.scopus-author-id36815200700
person.identifier.scopus-author-id7402461424
person.identifier.scopus-author-id15057563100
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication70ce31a8-b1cb-4fd7-ad9b-e13e8cfa13a8
relation.isAuthorOfPublicationa70b601c-dcd7-4098-9ee2-73e1f2c722af
relation.isAuthorOfPublicationabb76ccb-74af-4b17-8118-84581496d801
relation.isAuthorOfPublication.latestForDiscoveryabb76ccb-74af-4b17-8118-84581496d801

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