Zooplankton from a North Western Mediterranean area as a model of metal transfer in a marine environment |
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| Institution: | 1. Ifremer, Unité Littoral, Laboratoire Environnement Ressources Provence Azur Corse, Zone portuaire de Brégaillon, CS 20330, 83507 La Seyne sur Mer Cedex, France;2. Ifremer, Unité Halieutique de Manche-Mer du Nord, Laboratoire Ressources Halieutiques de Boulogne, 150 quai Gambetta, 62200 Boulogne sur Mer, France;3. Ifremer, Unité Biogéochimie et Écotoxicologie, Laboratoire de Biogéochimie des Contaminants Métalliques, rue de l''Ile d''Yeu, BP 21105, 44311 Nantes Cedex 03, France;4. Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, 17042 La Rochelle Cedex 01, France;1. Institut de Ciències del Mar, CSIC, Passeig Marítim de la Barceloneta 37-49, 08003 Barcelona, Spain;2. DHI-NTU Research Centre and Education Hub, 1 CleanTech Loop, #03-05 CleanTech1, 637141, Singapore;3. DHI Water and Environment-Denmark, Agern Allé 5, 2970 Hørsholm, Denmark;4. National Parks Board HQ, 1 Cluny Road, Singapore Botanic Gardens, 259569, Singapore;1. Ifremer, RHMN, Centre Manche — Mer du Nord, BP 669, F-62 321 Boulogne sur Mer, France;2. Ifremer, LER/PAC, Centre de Méditerranée, CS 20330, F-83 507 La Seyne sur Mer, France;3. IRSTEA, 3275 Route Cézanne, CS 40061, F-13 182 Aix en Provence Cedex 5, France;4. Ifremer, LBCO, Centre Atlantique, BP 70, F-29 280 Plouzané, France;5. ISTerre, Université Joseph Fourier, BP 53, F-38 041 Grenoble, France;1. Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d''Aosta, Turin, Italy;2. Department of Life Sciences and Systems Biology, University of Torino, via Accademia Albertina 13, 10123 Torino, Italy;3. Pelagosphera Scarl, Via Umberto Cosmo 17 bis, 10131 Torino, Italy |
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| Abstract: | We monitored the concentration of 21 trace elements in zooplankton samples collected in a Northwestern Mediterranean coastal ecosystem (Italy). In the last 20 years, this area has been the target of important anthropogenic impacts including maritime traffic and substantial industrial activities. Zooplankton contributes to the transfer of trace metals to higher trophic levels and constitute one of the recommended groups for the baseline studies of metals in the marine environment. The essential trace elements (As, Cu, Mn, Zn, Fe, Mo, Co, Cr, Se, Ni) and the nonessential trace elements (Al, Be, Cd, Pb, Sb, Sn, V) were generally found at concentrations of no concern in the analyzed zooplankton samples, but showed important variations between seasons and different water depths. The zooplankton was found to be a significant accumulator of metals, and bioaccumulation factors were in the range of 28 (Co) to 10,9015 (Fe) in marine surficial waters, with increasing values at increasing water depth. Zooplankton is a useful bioindicator to assess metal contamination and its impact in the marine environment. |
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| Keywords: | Trace elements Zooplankton Mediterranean Sea Bioaccumulation |
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