1. Institut de Ciència i Tecnologia Ambientals; Universitat Autònoma de Barcelona; Bellaterra, Catalonia Spain
2. Institució Catalana de Recerca i Estudis Avançats; Barcelona, Catalonia Spain
3. School of Geosciences; University of Edinburgh; Edinburgh UK
4. Dunstaffnage Marine Laboratory; Scottish Association for Marine Science; Oban UK
5. Alfred Wegener Institute for Polar and Marine Research; Bremerhaven Germany
6. Institute for the Dynamics of Environmental Processes, CNR; Venice Italy
7. Department of Environmental Sciences; University Ca'Foscari of Venice; Venice Italy