Stable mercury levels and trophic position in three tropical tuna species in the South-West Pacific Ocean over the past 18 years

Anaïs Médieu1, Aurore Receveur2, David Point3, Olivier Gauthier1, Valérie Allain2, Christophe Menkes4 and Anne Lorrain1, (1)Univ Brest, CNRS, IRD, Ifremer, LEMAR, Plouzané, France, (2)SPC, Nouméa, New Caledonia, (3)Géosciences Environnement Toulouse (GET), UMR CNRS / IRD / Université Paul Sabatier, Toulouse, France, (4)IRD/LOCEAN, Nouméa, New Caledonia