Understanding marine biotic responses to fossil fuel emissions : ESF EuroCLIMATE workshop Atmospheric CO2, ocean acidification, and ecological changes in planktonic calcifying organisms; Barcelona, Spain, 26-28 September 2007 - Ziveri, Patrizia (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Young, Jeremy (Natural History Museum (Londres, Anglaterra)) ; Fabry, Victoria (California State University) ; Bijma, Jelle (Alfred-Wegener-Institut für Polar- und Meeresforschung) ; Turk, Daniela (European Science Foundation) ; Kiefer, Thorsten (PAGES International Project Office) ; Eisenhauer, Tony (Leibniz Institute of Marine Sciences)