Relative abundance and taxonomical composition of abalone digestive microbiota at the genus level. Each panel represents the digestive bacterial community associated with feeding with Palmaria palmata (a), Laminaria digitata (b), Ulva lactuca (c), and Saccharina latissima (d). The taxonomical composition is represented for each cage triplicate over 1 year. Water temperature is indicated on the right side of each panel (values varying from 10 °C (blue) to 15 °C (red)). Less abundant genera: total number of sequence reads of these 651 genera for clearer representation in the figure. In c, the sample from cage U1 in January 2013 is missing. For unclassified genera, genera were assigned to the lowest taxonomic level identified. Verruc., Verrucomicrobiales; BD7-8, BD7-8 marine group; JTB255, JTB255 marine benthic group; OM60_clade, Alteromonadaceae OM60_clade; Gammap., Gammaproteobacteria; unc, unclassified