[1] Univ Catholique Ouest, Univ Nantes, Grp Mer, Sante MMS, Angers, France
[2] Univ La Rochelle, Littoral Environm & Soc LIENSs, La Rochelle, France
[3] Univ Bordeaux 1, UMR, EPOC 5805, F-33405 Talence, France
[4] IFREMER, Lab Ecotoxicol, F-44311 Nantes 03, France
[5] Univ Nice Sophia Antipolis, ECOMERS, Nice, France
[6] Nat Hist Museum, Dept Earth Sci, London SW7 5BD, England
[7] Univ Birmingham, Sch Geog Earth & Environm Sci, Birmingham B15 2TT, W Midlands, England