Carbonate fluxes by coccolithophore species between Africa and the Caribbean : Implications for the biological carbon pump - Guerreiro, Catarina V. (University of Lisbon. Marine and Environmental Sciences Centre) ; Baumann, Karl-Heinz (University of Bremen. Department of Geosciences (Germany)) ; Brummer, Geert-Jan (NIOZ Royal Netherlands Institute for Sea Research. Department of Ocean Systems (The Netherlands)) ; Valente, André (University of Lisbon. Marine and Environmental Sciences Centre (Portugal)) ; Fischer, Gerhard (University of Bremen. Department of Geosciences (Germany)) ; Ziveri, Patrizia (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Brotas, Vanda (University of Lisbon. Marine and Environmental Sciences Centre (Portugal)) ; Stuut, Jan-Berend W. (NIOZ Royal Netherlands Institute for Sea Research. Department of Ocean Systems (The Netherlands))