1. Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros de Leixões, Avenida General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
2. Geosciences, Environmental and Land Planning, Faculty of Sciences of Porto University, Rua do Campo Alegre 1021 1055, 4169-007 Porto, Portugal
3. Unit of Science Teaching, Faculty of Sciences of Porto University, Rua do Campo Alegre 1021 1055, 4169-007 Porto, Portugal