Eurico Mesquita Noleto Filho¹, Friedrich Wolfgang Keppeler², Marta Coll³, Tommaso Giarrizzo⁴, Jose Reis-Filho², Jeroen Steenbeek⁵, Ronaldo Angelini⁶ and Noel S Keenlyside¹, (1)University of Bergen, Geophysical Institute, Bergen, Norway, (2)Universidade Federal do Pará, Belem, Brazil, (3)Institut de Ciències del Mar (ICM-CSIC), Barcelona, Spain, (4)Universidade Federal do Ceará, Fortaleza, Brazil, (5)Ecopath inc., Barcelona, Spain, (6)Universidade Federal do Rio Grande do Norte, Natal, Brazil