Eva Bucciarelli, LEMAR UMR6539 CNRS UBO IRD, IUEM, Plouzane, France, Pierrick Penven, Laboratoire d'Océanographie Physique et Spatiale, Univ. Brest/CNRS/IRD/Ifremer, Plouzané, France, Stéphane Pous, LOCEAN, Paris Cedex 05, France and Alessandro Tagliabue, University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom