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Distribution of Living Benthic Foraminifera in the Baffin Bay and Nares Strait in the Summer and Fall Periods: Relation with Environmental Parameters

dc.rights.licenseopenen_US
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorRACINE, Calypso
dc.contributor.authorBONNIN, Jérôme
dc.contributor.authorDESSANDIER, Pierre-Antoine
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGIRAUDEAU, Jacques
dc.date.accessioned2024-03-13T10:26:48Z
dc.date.available2024-03-13T10:26:48Z
dc.date.issued2023-11
dc.identifier.issn2077-1312en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/188769
dc.description.abstractEnArctic climate warming leads to drastic changes in sea ice dynamics, hence impacting primary productivity but also the benthic communities. Therefore, to assess the response of living benthic foraminifera to contrasting Arctic environments, surface sediments from nine stations were collected during the summer of 2014 and fall of 2015 in the Baffin Bay and Nares Strait. Living standing stock are systematically low in the eastern and western Baffin Bay and much higher in the North Water Polynya and the Kane Basin located at the entrance and in the center of Nares Strait, respectively. High living benthic foraminiferal densities in the NOW reflect higher TOC while the highest density in the Kane Basin coincides with lower TOC but higher C/N and higher δ13Corg. The contribution of agglutinated species is on average very high for the whole study area and dominated by the species Adercotryma glomeratum, Lagenammina arenulata, and Reophax scorpiurus. Calcareous species, dominated by Nonionellina labradorica and Melonis barleeanus, are more abundant in the North Water Polynya and the Kane Basin. The very high living standing stock observed in the Kane Basin might be related to the northern position of the ice arch that summer during 2014 and therefore a particularly scarce sea ice cover might have allowed massive phytoplankton production during that season. In this study, the distribution of living benthic foraminifera is discussed according to several environmental parameters such as water masses, phytoplankton productivity, and organic matter fluxes.
dc.language.isoENen_US
dc.title.enDistribution of Living Benthic Foraminifera in the Baffin Bay and Nares Strait in the Summer and Fall Periods: Relation with Environmental Parameters
dc.typeArticle de revueen_US
dc.identifier.doi10.3390/jmse11112049en_US
dc.subject.halSciences de l'environnementen_US
dc.subject.halPlanète et Univers [physics]en_US
bordeaux.journalJournal of Marine Science and Engineeringen_US
bordeaux.page2049en_US
bordeaux.volume11en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue11en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamPALEOen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcehal
hal.identifierhal-04285823
hal.version1
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcehal
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Marine%20Science%20and%20Engineering&rft.date=2023-11&rft.volume=11&rft.issue=11&rft.spage=2049&rft.epage=2049&rft.eissn=2077-1312&rft.issn=2077-1312&rft.au=RACINE,%20Calypso&BONNIN,%20J%C3%A9r%C3%B4me&DESSANDIER,%20Pierre-Antoine&GIRAUDEAU,%20Jacques&rft.genre=article


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