Marta Coll¹, Jeroen Steenbeek², Alba Fuster-Alonso³, Jorge Mestre-Tomás³, Miquel Ortega-Cerdà³, Francisco Ramírez³, Jose Maria Bellido⁴ and Villy Christensen⁵, (1)Institut de Ciències del Mar (ICM-CSIC), Barcelona, Spain, (2)Ecopath inc., Barcelona, Spain, (3)Institut of Marine Science (ICM-CSIC), Barcelona, Spain, (4)Spanish Institute of Oceanography (IEO-CSIC), Murcia, Spain, (5)Institute for the Oceans and Fisheries, University of British Columbia, Vancouver, Canada