air-sea interaction 6 biological pump 6 Atlantic Ocean 4 Southern Ocean 4 carbon dioxide 4 Atlantic Ocean (North) 2 Atlantic Ocean (South) 2 Bacillariophyta 2 Biological and thermal effects 2 Biomass 2 CO2 dynamics 2 Carbon dioxide 2 Chlorophyll-a concentration 2 Community metabolism 2 Dynamics 2 Experiments 2 Foraminifera 2 Fronts 2 Gross primary production 2 Heinrich event 2 Metabolism 2 Microbial communities 2 Microorganisms 2 Net community productions 2 Nutrients 2 Patagonian Sea 2 Physiology 2 Phytomastigophorea 2 Phytoplankton 2 Phytoplankton biomass 2