Seawater carbonate chemistry and resistance to ocean acidification in coral reef taxa
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| Format: | Dataset Open Access |
| Sprache: | en |
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PANGAEA
2023
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| author | Comeau, Steeve Cornwall, Christopher Edward DeCarlo, Thomas M Doo, Steve S Carpenter, Robert C McCulloch, Malcolm T |
| author_facet | Comeau, Steeve Cornwall, Christopher Edward DeCarlo, Thomas M Doo, Steve S Carpenter, Robert C McCulloch, Malcolm T |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Ocean acidification (OA) is a major threat to coral reefs, which are built by calcareous species. However, long-term assessments of the impacts of OA are scarce, limiting the understanding of the capacity of corals and coralline algae to acclimatize to high partial pressure of carbon dioxide (pCO2) levels. Species-specific sensitivities to OA are influenced by its impacts on chemistry within the calcifying fluid (CF). Here, we investigate the capacity of multiple coral and calcifying macroalgal species to acclimatize to elevated pCO2 by determining their chemistry in the CF during a year-long experiment. We found no evidence of acclimatization to elevated pCO2 across any of the tested taxa. The effects of increasing seawater pCO2 on the CF chemistry were rapid and persisted until the end of the experiment. Our results show that acclimatization of the CF chemistry does not occur within one year, which confirms the threat of OA for future reef accretion and ecological function. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_959675 |
| institution | PANGAEA |
| language | en |
| publishDate | 2023 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Seawater carbonate chemistry and resistance to ocean acidification in coral reef taxa Comeau, Steeve Cornwall, Christopher Edward DeCarlo, Thomas M Doo, Steve S Carpenter, Robert C McCulloch, Malcolm T Acid-base regulation; Acropora pulchra; Alkalinity, total; Animalia; Aragonite saturation state; Benthic animals; Benthos; Bicarbonate ion; Biomass/Abundance/Elemental composition; Boron/Calcium ratio; Calcification/Dissolution; Calcification rate of calcium carbonate; Calcifying fluid, dissolved inorganic carbon; Calcifying fluid, pH; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Chlorophyta; Cnidaria; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Halimeda minima; Identification; Laboratory experiment; Lithophyllum kotschyanum; Macroalgae; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH, total scale; Plantae; Pocillopora verrucosa; Porites sp.; Potentiometric; Potentiometric titration; Psammocora profundacella; Ratio; Rhodophyta; Salinity; South Pacific; Species; Species interaction; Temperature, water; Treatment: partial pressure of carbon dioxide; Tropical; Type of study; δ11B Ocean acidification (OA) is a major threat to coral reefs, which are built by calcareous species. However, long-term assessments of the impacts of OA are scarce, limiting the understanding of the capacity of corals and coralline algae to acclimatize to high partial pressure of carbon dioxide (pCO2) levels. Species-specific sensitivities to OA are influenced by its impacts on chemistry within the calcifying fluid (CF). Here, we investigate the capacity of multiple coral and calcifying macroalgal species to acclimatize to elevated pCO2 by determining their chemistry in the CF during a year-long experiment. We found no evidence of acclimatization to elevated pCO2 across any of the tested taxa. The effects of increasing seawater pCO2 on the CF chemistry were rapid and persisted until the end of the experiment. Our results show that acclimatization of the CF chemistry does not occur within one year, which confirms the threat of OA for future reef accretion and ecological function. |
| title | Seawater carbonate chemistry and resistance to ocean acidification in coral reef taxa |
| topic | Acid-base regulation; Acropora pulchra; Alkalinity, total; Animalia; Aragonite saturation state; Benthic animals; Benthos; Bicarbonate ion; Biomass/Abundance/Elemental composition; Boron/Calcium ratio; Calcification/Dissolution; Calcification rate of calcium carbonate; Calcifying fluid, dissolved inorganic carbon; Calcifying fluid, pH; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Chlorophyta; Cnidaria; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Halimeda minima; Identification; Laboratory experiment; Lithophyllum kotschyanum; Macroalgae; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH, total scale; Plantae; Pocillopora verrucosa; Porites sp.; Potentiometric; Potentiometric titration; Psammocora profundacella; Ratio; Rhodophyta; Salinity; South Pacific; Species; Species interaction; Temperature, water; Treatment: partial pressure of carbon dioxide; Tropical; Type of study; δ11B |
| url | https://doi.org/10.1594/PANGAEA.959675 |