1. Departamento de Ciências Agrárias, Institute of Agricultural and Environmental Research and Technology of the Azores, Rua Capitão d’Ávila, São Pedro, PT-9700-042 Angra do Heroísmo, Açores Portugal
2. Centre for Coastal Biogeochemistry, School of Environment, Science and Engineering, Southern Cross University, PO Box 157, Lismore, NSW 2480, Australia
3. Department of Biological Oceanography, Leibniz Institute for Baltic Sea Research, Warnemünde (IOW), Seestrasse 15, D-18119 Rostock, Germany
4. Department of Biological Oceanography, Oceanographic Institute at the University of São Paulo, Praça do Oceanográfico 191, São Paulo, SP 05508-120, Brazil
5. Departamento de Geologia, Instituto Dom Luiz (IDL), University of Lisbon, Edifício C6. Campo Grande, 1749-016 Lisboa, Portugal