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The unexpected occurrence of late Sardina pilchardus (Walbaum, 1792) (Osteichthyes: Clupeidae) larvae in a temperate estuary

2009Journal article Open Access
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dc.contributor.authorMorais, P.
dc.contributor.authorFaria, Ana Margarida da Silva
dc.contributor.authorTeodosio, Maria
dc.contributor.authorChícharo, Luís
dc.date.accessioned2013-02-22T14:42:39Z
dc.date.available2013-02-22T14:42:39Z
dc.date.issued2009
dc.date.updated2013-02-19T14:50:07Z
dc.description.abstractThe presence of sardine larval stages inside estuaries has generally been regarded as accidental and restricted to the lower part of estuaries. Sampling done with a zooplankton net in the Guadiana estuary corroborated this hypothesis. Late sardine larvae (32.8 ± 2.0 mm) were, however, unexpectedly collected with an otter trawl, 14 km upstream from the mouth of the estuary. Thus, this work intends to: (1) discriminate and compare the abiotic characteristics of the sites where maximum abundance of sardine larval stages were registered, when captured with a zooplankton net, with the characteristics of the sites where late sardine larvae were collected with an otter trawl; (2) demonstrate that the presence of the late sardine larvae inside the Guadiana estuary was not accidental. The average salinity of the site were late larvae where collected was 4.2 ± 2.3, i.e. 87.3% lower than the average salinity where maximum abundance of early larvae was registered. We suggest that the presence of the late sardine larvae inside the Guadiana estuary was not accidental. In order to migrate to that location and remain in the estuary, counteracting river inflow, these late larvae must have employed active migration and retention strategies. New methodologies need to be implemented for routine sampling of all larval stages of sardine, in order to achieve a complete understanding of their life cycle.por
dc.identifier.citationMorais, P.; Faria, A.; Chicharo, M. A.; Chicharo, L. M. Z. The unexpected occurrence of late Sardina pilchardus (Walbaum, 1792) (Osteichthyes: Clupeidae) larvae in a temperate estuary, Cahiers De Biologie Marine, 50, 1, 79-89, 2009.por
dc.identifier.issn0007-9723
dc.identifier.otherAUT: MCH00377;
dc.identifier.urihttp://hdl.handle.net/10400.1/2404
dc.language.isoengpor
dc.peerreviewedyespor
dc.relationDINÂMICA POPULACIONAL DE ENGRAULIS ENCRASICOLUS LINNAEUS, 1758 NO ESTUÁRIO DO GUADIANA E NA ZONA COSTEIRA ADJACENTE
dc.subjectSardina pilcharduspor
dc.subjectLate larvaepor
dc.subjectDistribution recordpor
dc.subjectMigrationpor
dc.subjectStrategiespor
dc.subjectGuadiana estuarypor
dc.titleThe unexpected occurrence of late Sardina pilchardus (Walbaum, 1792) (Osteichthyes: Clupeidae) larvae in a temperate estuarypor
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleDINÂMICA POPULACIONAL DE ENGRAULIS ENCRASICOLUS LINNAEUS, 1758 NO ESTUÁRIO DO GUADIANA E NA ZONA COSTEIRA ADJACENTE
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F5187%2F2001/PT
oaire.citation.endPage89por
oaire.citation.issue1por
oaire.citation.startPage79por
oaire.citation.titleCahiers De Biologie Marinepor
oaire.citation.volume50por
person.familyNameMorais
person.familyNameTeodosio
person.familyNameChicharo
person.givenNamePedro
person.givenNameMaria
person.givenNameLuis
person.identifier424141
person.identifier.ciencia-id1A19-7E90-8BDD
person.identifier.ciencia-idAF10-647B-65FB
person.identifier.ciencia-id6716-EE1C-B995
person.identifier.orcid0000-0002-0861-5566
person.identifier.orcid0000-0002-0939-9885
person.identifier.orcid0000-0002-4933-2300
person.identifier.ridF-2815-2011
person.identifier.ridB-5077-2013
person.identifier.scopus-author-id7005946306
person.identifier.scopus-author-id56196396700
person.identifier.scopus-author-id6602881426
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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relation.isAuthorOfPublicationb39b2d6d-d6f5-4130-a9b9-4e7624d44676
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relation.isAuthorOfPublication.latestForDiscovery1c722a09-343d-4191-9c67-ab86240a4708
relation.isProjectOfPublication37c50137-168a-4da2-b196-c28f5592956d
relation.isProjectOfPublication.latestForDiscovery37c50137-168a-4da2-b196-c28f5592956d

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