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Network analysis of the planktonic food web during the spring bloom in a semi enclosed lagoon (Arcachon, SW France)

dc.rights.licenseopenen_US
dc.contributor.authorTORTAJADA, Sébastien
dc.contributor.authorNIQUIL, Nathalie
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorBLANCHET, Hugues
IDREF: 086160648
dc.contributor.authorGRAMI, Boutheina
dc.contributor.authorMONTANIÉ, Hélène
dc.contributor.authorDAVID, Valerie
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGLÉ, Corine
dc.contributor.authorSAINT-BÉAT, Blanche
dc.contributor.authorJOHNSON, Galen A.
dc.contributor.authorMARQUIS, Elise
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorDEL AMO, Yolanda
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorDUBOIS, Sophie
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorVINCENT, Dorothée
dc.contributor.authorDUPUY, Christine
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorJUDE, Florence
dc.contributor.authorHARTMANN, Hans J.
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorSAUTOUR, Benoit
dc.date.accessioned2023-07-12T09:51:20Z
dc.date.available2023-07-12T09:51:20Z
dc.date.issued2012-03-21
dc.identifier.issn1146-609Xen_US
dc.identifier.urihttps://www.researchgate.net/publication/229428510_Network_analysis_of_the_planktonic_food_web_during_the_spring_bloom_in_a_semi_enclosed_lagoon_Arcachon_SW_France
dc.identifier.urioai:researchgate.net:229428510
dc.identifier.urioai:crossref.org:10.1016/j.actao.2012.02.002
dc.identifier.uriorcid:0000-0003-4431-4207:10.1016/j.actao.2012.02.002
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/183382
dc.description.abstractEnThe structure and functioning of the food web in Arcachon Bay (Bay of Biscay, Northeast Atlantic Ocean) was analyzed during the spring bloom period to evaluate the sensitivity of this ecologically and economically important ecosystem perturbation. Differences in the timing of the peaks in phytoplankton and zooplankton populations occur due to a mismatch between primary production and grazing. Using an inverse approach based on in situ experimental data, an ecological network analysis was carried out to characterize emergent properties of the food web and to estimate carbon flows. The data set was composed of rate measurements for net primary production, import and export of dissolved organic carbon, and grazing of heterotrophic nanoflagellates and ciliates by metazoan micro-and meso-zooplankton. Ecological network analysis indices were calculated on the estimated fluxes and compared to values from plankton models built with exactly the same method. The largest activities in the resulting model came from the nano-and microphytoplankton. The detritivory/herbivory ratio, the recycling rates and the relative redundancy of the system were very low compared to other planktonic systems, even in similar periods of bloom. These values indicate a transitional system with poor resilience that exports a large quantity of carbon either to the benthos where it is consumed by non-planktonic consumers such as oysters, or else to systems outside of the bay (outwelling).
dc.language.isoENen_US
dc.sourceresearchgate
dc.sourcecrossref
dc.sourceorcid
dc.subject.enPlankton
dc.subject.enTrophic structure
dc.subject.enLinear inverse model
dc.subject.enEcological network analysis
dc.subject.enNortheast Atlantic
dc.subject.enBay of Biscay
dc.title.enNetwork analysis of the planktonic food web during the spring bloom in a semi enclosed lagoon (Arcachon, SW France)
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.actao.2012.02.002en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalActa Oecologicaen_US
bordeaux.page40-50en_US
bordeaux.volume40en_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.sourcedissemin
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcedissemin
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Acta%20Oecologica&rft.date=2012-03-21&rft.volume=40&rft.spage=40-50&rft.epage=40-50&rft.eissn=1146-609X&rft.issn=1146-609X&rft.au=TORTAJADA,%20S%C3%A9bastien&NIQUIL,%20Nathalie&BLANCHET,%20Hugues&GRAMI,%20Boutheina&MONTANI%C3%89,%20H%C3%A9l%C3%A8ne&rft.genre=article


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