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Meagre (Argyrosomus regius) move westward with favourable flows along the south coast of Portugal

2024-07Journal article Open access
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dc.contributor.authorGarel, Erwan
dc.contributor.authorWinkler, Alexander
dc.contributor.authorGunasekara, S.S.
dc.contributor.authorAbecasis, David
dc.contributor.authorde Oliveira Júnior, Luciano
dc.date.accessioned2025-01-14T11:20:29Z
dc.date.available2025-01-14T11:20:29Z
dc.date.issued2024-07
dc.description.abstractBased on acoustic detections from a network of five stations along the south coast of Portugal, 25 transits of tagged meagre were identified between 2019 and 2020, mostly in summer. Comparisons with hourly current measurements from a moored Acoustic Doppler current Profiler and an High Frequency Radar system indicate that meagre move westward with favourable alongshore flows at a confidence level > 90% (while eastward transits observations were too few to be significant). Several similar transits of different individuals occurred within two days suggesting a species response to environmental changes. The analysis of surface seawater temperature from ERA5 shows that meagre always swam westward towards colder water, despite their warm water affinities. As such, they reached food-rich upwelling areas when the water temperature was higher than usual (due to the westward advection of warm water), probably optimizing their feeding ability. The demonstrated alongshore meagre movements in response to temperature variations induced by the mesoscale coastal circulation is particularly relevant for the management of this high economic value species in southern Portugal.eng
dc.description.sponsorshipDL57/2016/CP1361/CT0036
dc.identifier.doi10.1016/j.ecss.2024.108770
dc.identifier.issn0272-7714
dc.identifier.urihttp://hdl.handle.net/10400.1/26622
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationCentre for Marine and Environmental Research (CIMA)
dc.relationAquatic Research Infrastructure Network
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relationEcological bases for sustainable management of meagre
dc.relationCoastal circulation along the northern shelf of the Gulf of Cadiz
dc.relation.ispartofEstuarine, Coastal and Shelf Science
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectGulf of Cadiz
dc.subjectCoastal circulation
dc.subjectAcoustic telemetry
dc.subjectFish behaviour
dc.subjectFish movements
dc.titleMeagre (Argyrosomus regius) move westward with favourable flows along the south coast of Portugaleng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Marine and Environmental Research (CIMA)
oaire.awardTitleAquatic Research Infrastructure Network
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardTitleEcological bases for sustainable management of meagre
oaire.awardTitleCoastal circulation along the northern shelf of the Gulf of Cadiz
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00350%2F2020/PT
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oaire.citation.issue10
oaire.citation.startPage108770
oaire.citation.titleEstuarine, Coastal and Shelf Science
oaire.citation.volume302
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person.familyNameGarel
person.familyNameWinkler
person.familyNameAbecasis
person.familyNamede Oliveira Júnior
person.givenNameErwan
person.givenNameAlexander
person.givenNameDavid
person.givenNameLuciano
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