Beatriz Biguino, University of Lisbon, Lisbon, PORTUGAL, Ivan David Haigh, University of Southampton, Ocean and Earth Science, Southampton, United Kingdom, João Miguel Dias, Universidade de Aveiro, Aveiro, Portugal and Ana C. Brito, MARE – Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal, Lisbon, Portugal