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dc.contributor.authorMosbahi, Nawfel
dc.contributor.authorNeifar, Lassad
dc.coverage.spatialAtlantic, France, Arcachon bayen_US
dc.coverage.spatialMED, Tunisia, Gulf of Gabes, Sfax, Kneiss islandsen_US
dc.description.abstractThe present study aim to compare between two distinct and distant geographical ecosystems; the Kneiss Islands and Arcachon Bay, which formed by extensive large mudflats with the intertidal Zostera noltei beds, hosted a greater diversity of waterbirds and provides socio-economic importance. In order to determine the response of benthic communities’ structure and functioning to climate variation, the two eelgrass ecosystems constitute a natural laboratory to infer climate warming. The macrobenthic fauna community of Zostera (Zosterella) noltei beds in Kneiss Islands was studied by sampling 34 stations and 48 stations for Arcachon Bay. A total of 148 taxa were identified in Kneiss Islands and 117 species for Arcachon Bay, but only 23 species are common in the both separate ecosystems. Diversity, abundance and community structure are significantly different between the two study areas, could be explained by differences between Mediterranean and Atlantic climatic conditions and by anthropic factors (e.g. fishing pressure, pollution, nutrient inputs) present in each ecosystem. Multidimensional scaling (n-MDS) analysis identified two distinct geographical station groups on the basis of species and families abundance. Save that, three assemblages were identified between the separated ecosystems on the basis of trophic groups.en_US
dc.subject.otherBenthic faunaen_US
dc.subject.otherZostera nolteien_US
dc.subject.otherClimate changeen_US
dc.titleBenthic macrofauna associated with intertidal Zostera noltei beds in Atlantic (Arcachon Bay, France) and Mediterranean ecosystems (Kneiss Islands, Tunisia): comparative study.en_US
dc.typeJournal Contributionen_US
dc.bibliographicCitation.issueN. Specialen_US
dc.bibliographicCitation.titleBulletin de l'Institut National des Sciences et Technologies de la Mer de Salammbôen_US
dc.description.notesActes de la conférence méditerranéenne Biodiv 2017: La biodiversité : quelles orientations pour la recherche et quels outils de conservation? Monastir, Tunisie, 28 au 30 octobre 2017en_US

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  • Articles - Bulletin [746]
    Le Bulletin de l'INSTM est publié depuis 1924. Il est indexé dans ASFA. Il fait suite au Bull. INSTOP et au Bull. SOS.

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