Benthic response of Munnopsurus atlanticus (Crustacea Isopoda) to the carbon content of the near-bottom sedimentary environment on the southern margin of the Cap-Ferret Canyon (Bay of Biscay,northeastern Atlantic Ocean) |
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| Institution: | 1. Department of Biochemistry, Genetics and Immunology, University of Vigo, Vigo, Spain;2. Department of Marine Geosciences, University of Vigo, Vigo, Spain;3. CACTI. University of Vigo, Vigo, Spain;4. Department of Zoology and Physical Anthropology, University of Santiago de Compostela, Santiago de Compostela, Spain;1. Centre d''Estudis Avançats de Blanes (CEAB-CSIC), c/Accés a la Cala St. Francesc, 14, E-17300 Blanes, Spain;2. Marine Biology Department, Ghent University, Krijgslaan 281 S8, B-9000 Ghent, Belgium;3. Plymouth Marine Laboratory, Prospect Place, The Hoe, PL1 3DH Plymouth, United Kingdom;4. Florida State University Coastal and Marine Lab, 3618 Coastal Highway 98, St. Teresa, FL 32358-2702, USA;1. Marine Biology Research Group, Department of Biology, Ghent University, Ghent, Belgium;2. Laboratory for Aging Physiology and Molecular Evolution, Department of Biology, Ghent University, Ghent, Belgium;3. Centrum for Molecular Phylogeny and Evolution, Ghent University, Ghent, Belgium;4. OD Taxonomy and Phylogeny, Royal Belgian Institute of Natural Sciences, Brussels, Belgium |
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| Abstract: | The response of benthic organisms to organic carbon fluxes in a continental margin region was studied by investigating the diet of the suprabenthic isopod Munnopsurus atlanticus, which is well represented on the southern margin of the Cap-Ferret Canyon (Bay of Biscay). The grain-size distribution, foraminiferal assemblages, particulate organic carbon and pigments found in the sediment and in the gut of the isopods were analyzed. These results suggest that M. atlanticus feeds on benthic agglutinated foraminifers which are in a high “nourishment state” and represent a link between primary and secondary producers. |
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