Keywords: Alkalinity, total; Antarctic; Aragonite saturation state; Bacteria, abundance; Bacteria, production as carbon; Bacterial production, standard error; Bacterial production of carbon; Bacterial production of carbon per cell; Bicarbonate ion; Biomass/Abundance/Elemental composition; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbon, organic, particulate; Carbon/Nitrogen ratio; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cell size; Chlorophyll a; Coast and continental shelf; Containers and aquaria (20-1000 L or 〈 1 m**2); Date; Day of experiment; Effective quantum yield; Electron transport rate, relative; Entire community; EXP; Experiment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Identification; Irradiance; Laboratory experiment; Light saturation; Maximum light utilization coefficient in carbon per chlorophyll a; Maximum photochemical quantum yield of photosystem II; Maximum photosynthetic efficiency per chlorophyll a biomass; Net photosynthesis rate, oxygen; Nitrate and Nitrite; Nitrogen, organic, particulate; Non photochemical quenching; OA-ICC; Ocean Acidification International Coordination Centre; Other metabolic rates; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; Phosphorus, reactive soluble; Photoinhibition in carbon per chlorophyll a; Polar; Primary production/Photosynthesis; Primary production of carbon; Prydz_Bay_OA; Replicate; Respiration rate, oxygen; Salinity; Silicate, reactive; Specific primary production of carbon per Chlorophyll a; Temperature, water; Treatment; Type