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Limited Consequences of Seagrass Decline on Benthic Macrofauna and Associated Biotic Indicators

dc.rights.licenseopenen_US
dc.contributor.authorDO, Van Tu
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorBLANCHET, Hugues
IDREF: 086160648
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorDE MONTAUDOUIN, Xavier
IDREF: 075931664
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorLAVESQUE, Nicolas
dc.date.accessioned2023-10-18T08:46:58Z
dc.date.available2023-10-18T08:46:58Z
dc.date.issued2013-01-29
dc.identifier.issn1559-2723en_US
dc.identifier.urihttps://www.researchgate.net/publication/257758039_Limited_Consequences_of_Seagrass_Decline_on_Benthic_Macrofauna_and_Associated_Biotic_Indicators
dc.identifier.urihttps://pub.orcid.org/v2.1/0000-0003-2881-1529/work/25700683
dc.identifier.urioai:researchgate.net:257758039
dc.identifier.uriorcid:0000-0003-4431-4207:10.1007/s12237-013-9589-0
dc.identifier.urioai:crossref.org:10.1007/s12237-013-9589-0
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/184478
dc.description.abstractEnMarine phanerogams are ecosystem engineers, as their presence induces major environmental changes that impact on the benthic fauna. Consequently, modifications to the structure of benthic communities would be expected to be associated with seagrass decline. Since 2005, Zostera noltii seagrass beds in Arcachon Bay (France), the largest in Europe, have undergone a severe decline. Twelve stations distributed throughout the lagoon were sampled in 2002, and all were found to be densely planted at that time. Subsequently, the same stations were revisited in 2010 and seagrass cover had drastically decreased by that time. Based on benthic macrofauna, multidimensional scaling (MDS) analysis identified four groups. Years were separated. In 2002, two groups were distinct in relation to the water body, since in 2010 separation between the two other groups was related to seagrass occurrence. When looking at community structure and dominant species there were moderate differences within and between years, independent of seagrass decline. Seagrass loss did not drastically modify the species composition as they were preserved in the remaining seagrass patches. However, there was a drop in macrofauna abundance in unvegetated muddy compared with abundance in the remaining seagrass areas. Epifauna was particularly affected by seagrass decline. Among biotic indicators based on macrofauna, multivariate indicator MISS (Macrobenthic Index in Sheltered Systems) was in agreement with the similarity of macrofauna structure among groups, while other tested indicators performed badly in relation to seagrass occurrence. However, no index detected seagrass loss, highlighting the necessity of maintaining a separate survey on seagrass cover.
dc.language.isoENen_US
dc.sourceorcid
dc.sourceresearchgate
dc.sourcecrossref
dc.title.enLimited Consequences of Seagrass Decline on Benthic Macrofauna and Associated Biotic Indicators
dc.typeArticle de revueen_US
dc.identifier.doi10.1007/s12237-013-9589-0en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalEstuaries and Coastsen_US
bordeaux.page795-807en_US
bordeaux.volume36en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue4en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamECOBIOCen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-04247407
hal.version1
hal.date.transferred2023-10-18T08:46:59Z
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exporttrue
workflow.import.sourcedissemin
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Estuaries%20and%20Coasts&rft.date=2013-01-29&rft.volume=36&rft.issue=4&rft.spage=795-807&rft.epage=795-807&rft.eissn=1559-2723&rft.issn=1559-2723&rft.au=DO,%20Van%20Tu&BLANCHET,%20Hugues&DE%20MONTAUDOUIN,%20Xavier&LAVESQUE,%20Nicolas&rft.genre=article


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