1. Faculty of Sciences of University of Porto (FCUP), DGAOT, University of Porto , Rua do Campo Alegre s/n , 4169-007 Porto , Portugal
2. Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n , 4450-208 Matosinhos , Portugal