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Trophic structure of vermetid reef community: High trophic diversity at small spatial scales ArchiMer
Colombo, Francesca; Costa, Valentina; Dubois, Stanislas; Gianguzza, Paola; Mazzola, Antonio; Vizzini, Salvatrice.
Stable isotopes were used to investigate contributions of autochthonous (i.e. benthic: epilithon and macroalgae) and allochthonous (i.e. pelagic: phytoplankton) organic matter sources to the diet of suspension-feeders, grazers and predators associated to small reef-pools (cuvettes) created by the reef-building species Dendropoma petraeum in the north-western coast of Sicily (Italy). Contributions of potential food sources were calculated using Bayesian mixing-models and integrated to a multivariate approach to highlight the diversity of C and N pathways within Dendropoma cuvettes. Both pelagic and benthic organic matter sources were exploited by benthic consumers, although clear differences were revealed in the various species depending on their feeding...
Tipo: Text Palavras-chave: Dendropoma petraeum; Stable Isotope; Bayesian Mixing Model; Trophic Niche; Intertidal.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00130/24103/22855.pdf
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