Keywords: Alkalinity, total; Ammonia; Aragonite saturation state; Area; Bacillariophyta; Bicarbonate ion; Biogenic silica; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (〈20 L); Calcification/Dissolution; Calcite saturation state; Calcium, dissolved; Calcium, particulate; Calcium chloride dihydrate; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbon, inorganic, particulate, per cell; Carbon, organic, particulate; Carbon, organic, particulate, per cell; Carbon, organic, particulate mass; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cell density; Chaetoceros sp.; Chromista; Dry air column-averaged mole fraction of carbon dioxide; Emiliania huxleyi; Experiment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Haptophyta; Laboratory experiment; Laboratory strains; Mass; Maximum quantum yield of photosystem II; Nitrate and Nitrite; Nitrogen, inorganic, dissolved; Nitrogen, organic, particulate; Nitrogen, organic, particulate mass; Not applicable; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Particulate inorganic carbon/particulate organic carbon ratio; Pelagos; pH; pH, standard deviation; Phosphate; Phytoplankton; Potentiometric titration; Primary production/Photosynthesis; Revelle factor; Salinity; Sample code/label; Sampling date; Silicate; Single species; Sodium carbonate; Species; Spectrophotometric; Strain; Temperature, water; Temperature, water, standard deviation; Treatment; Type of study