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Hydrodynamic Conditions Effects on Soft-Bottom Subtidal Nearshore Benthic Community Structure and Distribution

dc.rights.licenseopenen_US
dc.contributor.authorFOULQUIER, Clémence
dc.contributor.authorBAILLS, Julien
dc.contributor.authorARRAUD, Alison
hal.structure.identifierLaboratoire de Mathématiques et de leurs Applications [Pau] [LMAP]
dc.contributor.authorD'AMICO, Frank
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorBLANCHET, Hugues
IDREF: 086160648
dc.contributor.authorRIHOUEY, Didier
dc.contributor.authorBRU, Noëlle
dc.date.accessioned2024-04-03T08:27:51Z
dc.date.available2024-04-03T08:27:51Z
dc.date.issued2020-01-30
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/189143
dc.description.abstractEnThis study assesses the impacts of wave action and freshwater outflow on soft-bottom benthic macrofauna spatial distribution and temporal stability along the highly exposed French Basque coast. Sediment characteristics and macrofauna abundance have been seasonally investigated during two years for nine stations located at the same (6 m) depth and spread over three subtidal sites showing distinct exposure levels. Wave climate has been determined through an operational numerical model. A total of 121 taxa were recorded, gathered in three main faunal assemblages, as revealed by classification and ordination methods. Non-parametric multivariate multiple regression (distance-based linear model) showed that the variations in macrofaunal distribution can be explained by hydrodynamic conditions. Wave exposure strongly linked to estuarine inputs were the most relevant abiotic factors influencing distributional patterns and functional structure as described by biological traits analysis. Despite the influence of these abiotic variables affecting sedimentary dynamics, seasonal stability was observed in macrobenthic assemblages composition suggesting an ability to recover from natural disturbances such as (e.g.) winter storms. In this way, these results provide baseline knowledge for future ecosystem and resource management in shallow subtidal areas strongly exposed to swell and freshwater outflow where soft-bottom macrozoobenthic communities are less frequently studied.
dc.language.isoENen_US
dc.title.enHydrodynamic Conditions Effects on Soft-Bottom Subtidal Nearshore Benthic Community Structure and Distribution
dc.typeArticle de revueen_US
dc.identifier.doi10.1155/2020/4674580en_US
dc.subject.halSciences de l'environnementen_US
dc.subject.halSciences de l'ingénieur [physics]en_US
bordeaux.journalIndian journal of marine sciencesen_US
bordeaux.page1-16en_US
bordeaux.volume2020en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamECOBIOCen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcehal
hal.identifierhal-03091829
hal.version1
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcehal
dc.rights.ccPas de Licence CCen_US
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