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Distribution and at-sea activity of a nocturnal seabird, the Bulwer's petrel Bulweria bulwerii, during the incubation period

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dc.contributor.authorDias, Maria P.
dc.contributor.authorRomero, Joana
dc.contributor.authorGranadeiro, José Pedro
dc.contributor.authorCatry, Teresa
dc.contributor.authorPollet, Ingrid L.
dc.contributor.authorCatry, Paulo
dc.date.accessioned2016-07-22T17:59:42Z
dc.date.available2016-07-22T17:59:42Z
dc.date.issued2016
dc.description.abstractBulwer'spetrelsarenocturnalseabirdsthatmostlypreyonmesopelagicfauna.Asaerialforagersand shallowdivers,theirfeedingopportunitiesarelimitedbynear-surfaceavailabilityoftheirprey,whichis highlyvariablebothtemporally(reflectingdiurnalandlunarcycles)andspatially.Herewestudiedhow Bulwer'spetrelscopewiththeseconstraintsbyanalysingtheirat-seadistributionandactivityduringthe incubationperiod.Wetrackedthemovementsof20birdsfromSelvagemGrande(NEAtlantic)duringa completelunarcycle,andrecorded30foragingtripsthatlasted11daysonaverage.Birdswereboth distributedaroundthecolonyandinwatersclosetotheAzoreanarchipelago(mid-Atlantic)located 1700kmaway,andweresignificantlymoreactiveatnight(especiallyjustaftersunsetandbeforesunrise), whenmesopelagicfaunaisalsoclosertotheseasurfaceduetotheirdielverticalmigrations.Bulwer's petrelsspentsignificantlymoretime flyingduringmoonlight,althoughtheeffectofthemoonwasrela- tivelyweak(ca.10–15%differencebetweenmoonlitanddarkperiodsofthenight),andnotobviouswhen birdswereforaginginmid-Atlanticwaters,whichwerealsotargetedmoreoftenduringfull-moon.These resultsrevealkeyadaptationsoftheBulwer'spetreltothehighlydynamicecologyofitsmesopelagicprey.pt_PT
dc.description.sponsorshipFundação para a Ciência e a Tecnologia (FCT), European Regional Development Fundpt_PT
dc.identifier.citationDeep-Sea Research Part I, Oceanographic Research Papers, 113, 49-56. doi: 10.1016/j.dsr.2016.03.006pt_PT
dc.identifier.doi10.1016/j.dsr.2016.03.006pt_PT
dc.identifier.issn0967-0637
dc.identifier.urihttp://hdl.handle.net/10400.12/4835
dc.language.isoporpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationFCT-BPD/46827/08pt_PT
dc.relationForaging ecology, movements and abundance of an avian predator of mesopelagic prey: new and deeper insights using novel techniques and ideas
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S096706371530073Xpt_PT
dc.subjectDiel vertica lmigrationpt_PT
dc.subjectForaging behaviourpt_PT
dc.subjectLunar cyclept_PT
dc.subjectProcellariiformespt_PT
dc.subjectSeabirdspt_PT
dc.titleDistribution and at-sea activity of a nocturnal seabird, the Bulwer's petrel Bulweria bulwerii, during the incubation periodpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleForaging ecology, movements and abundance of an avian predator of mesopelagic prey: new and deeper insights using novel techniques and ideas
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FMAR%2F121071%2F2010/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Investigador FCT/IF%2F00502%2F2013%2FCP1186%2FCT0003/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMAR%2F04292%2F2013/PT
oaire.citation.conferencePlaceUnited Kingdompt_PT
oaire.citation.endPage56pt_PT
oaire.citation.startPage49pt_PT
oaire.citation.titleDeep Sea Research Part I: Oceanographic Research Paperspt_PT
oaire.citation.volume113pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStreamInvestigador FCT
oaire.fundingStream5876
project.funder.identifierhttp://doi.org/10.13039/501100001871
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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublication7f9aefbf-e812-499a-b397-fbd39d33b166
relation.isProjectOfPublicatione5516a99-acb0-4335-aa35-cf4c810de077
relation.isProjectOfPublicationb45075bd-b8ca-49a6-bfec-2030828e7160
relation.isProjectOfPublication.latestForDiscoverye5516a99-acb0-4335-aa35-cf4c810de077

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