Combined ocean acidification and low temperature stressors cause coral mortality, supplement to: Kavousi, Javid; Parkinson, John Everett; Nakamura, Takashi (2016): Combined ocean acidification and low temperature stressors cause coral mortality. Coral Reefs, 35(3), 903-907

• Main Authors: Kavousi, Javid, Parkinson, John Everett, Nakamura, Takashi
• Format: Dataset
• Language: English
• Published: PANGAEA - Data Publisher for Earth & Environmental Science 2016
• Subjects: Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria <20 L; Calcification/Dissolution; Cnidaria; Coast and continental shelf; Laboratory experiment; Montipora digitata; Mortality/Survival; North Pacific; Primary production/Photosynthesis; Single species; Temperate; Temperature; Type; Species; Registration number of species; Uniform resource locator/link to reference; Treatment; Colony number/ID; Ratio; Calcification rate; Protein per surface area; Mortality; Salinity; Alkalinity, total; Alkalinity, total, standard deviation; Temperature, water; Partial pressure of carbon dioxide water at sea surface temperature wet air; Carbon dioxide, partial pressure, standard deviation; Carbonate system computation flag; pH; Carbon dioxide; Fugacity of carbon dioxide water at sea surface temperature wet air; Bicarbonate ion; Carbonate ion; Carbon, inorganic, dissolved; Aragonite saturation state; Calcite saturation state; Experiment; Calculated using seacarb after Nisumaa et al. 2010; Ocean Acidification International Coordination Centre OA-ICC; Pacific; Ocean acidification
• Online Access: https://dx.doi.org/10.1594/pangaea.868905; https://doi.pangaea.de/10.1594/PANGAEA.868905

Oceans are predicted to become more acidic and experience more temperature variability-both hot and cold-as climate changes. Ocean acidification negatively impacts reef-building corals, especially when interacting with other stressors such as elevated temperature. However, the effects of combined acidification and low temperature stress have yet to be assessed. Here, we exposed nubbins of the scleractinian coral Montipora digitata to ecologically relevant acidic, cold, or combined stress for 2 weeks. Coral nubbins exhibited 100% survival in isolated acidic and cold treatments, but 30% mortality under combined conditions. These results provide further evidence that coupled stressors have an interactive effect on coral physiology, and reveal that corals in colder environments are also susceptible to the deleterious impacts of coupled ocean acidification and thermal stress. : In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2016) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation is 2016-11-29.