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  • 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 International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; 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  (1)
  • Alkalinity, Gran titration (Gran, 1950); Alkalinity, total; Animalia; Aragonite saturation state; Arctic; Behaviour; Bicarbonate ion; Calcification/Dissolution; Calcite saturation state; Calcium carbonate passive adsorption; Calcium carbonate passive adsorption, standard deviation; Calcium carbonate precipitated; Calcium carbonate precipitated, standard deviation; Calculated; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Containers and aquaria (20-1000 L or 〈 1 m**2); EPOCA; EUR-OCEANS; European network of excellence for Ocean Ecosystems Analysis; European Project on Ocean Acidification; Experimental treatment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gut clearance coefficient; Identification; Limacina helicina; Mollusca; OA-ICC; Ocean Acidification International Coordination Centre; Open ocean; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; pH meter (Metrohm, 826 pH mobile); Polar; Respiration; Respiration rate, oxygen; Respiration rate, oxygen, standard deviation; Salinity; Single species; Species; Spectro-fluorometry using a Turner-Designs Fluorometer; after Lorenzen, 1967; Temperature, water; Titration, Winkler; Zooplankton  (1)
  • Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Aragonite saturation state, standard deviation; Benthic animals; Benthos; Bicarbonate ion; Bicarbonate ion, standard deviation; Calcification/Dissolution; Calcification rate of calcium carbonate; Calcite saturation state; Calculated using seacarb; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate ion, standard deviation; Carbonate system computation flag; Carbon dioxide; Carbon dioxide, standard deviation; Cnidaria; Coast and continental shelf; Containers and aquaria (20-1000 L or 〈 1 m**2); DATE/TIME; Date/time end; EXP; Experiment; French Polynesia; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Hydrolithon onkodes; Irradiance; Laboratory experiment; Macroalgae; Moorea; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; pH, standard deviation; Plantae; Porites rus; Potentiometric; Potentiometric titration; Rhodophyta; Salinity; South Pacific; Species; Species interaction; Temperature, standard deviation; Temperature, water; Treatment; Tropical  (1)
  • Ocean acidification
Collection
Keywords
Publisher
Years
  • 1
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    Shelled pteropods in peril : assessing vulnerability in a high CO2 ocean (2017)
    Elsevier
    Details
    Publication Date: 2022-05-26
    Description: © The Author(s), 2017. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Earth-Science Reviews 169 (2017): 132–145, doi:10.1016/j.earscirev.2017.04.005.
    Description: The impact of anthropogenic ocean acidification (OA) on marine ecosystems is a vital concern facing marine scientists and managers of ocean resources. Euthecosomatous pteropods (holoplanktonic gastropods) represent an excellent sentinel for indicating exposure to anthropogenic OA because of the sensitivity of their aragonite shells to the OA conditions less favorable for calcification. However, an integration of observations, experiments and modelling efforts is needed to make accurate predictions of how these organisms will respond to future changes to their environment. Our understanding of the underlying organismal biology and life history is far from complete and must be improved if we are to comprehend fully the responses of these organisms to the multitude of stressors in their environment beyond OA. This review considers the present state of research and understanding of euthecosomatous pteropod biology and ecology of these organisms and considers promising new laboratory methods, advances in instrumentation (such as molecular, trace elements, stable isotopes, palaeobiology alongside autonomous sampling platforms, CT scanning and high-quality video recording) and novel field-based approaches (i.e. studies of upwelling and CO2 vent regions) that may allow us to improve our predictive capacity of their vulnerability and/or resilience. In addition to playing a critical ecological and biogeochemical role, pteropods can offer a significant value as an early-indicator of anthropogenic OA. This role as a sentinel species should be developed further to consolidate their potential use within marine environmental management policy making.
    Description: M.I. Berning is financed by the German Research Foundation Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (Project DFG-1158 SCHR 667/15-1).
    Keywords: Euthecosomatous pteropods ; Ocean acidification ; Calcifying organisms ; Marine ecosystem ; Carbonate chemistry
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Location Call Number Expected Availability
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    PAPER (OA)
  • 2
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    Seawater carbonate chemistry and resistance to ocean acidification in coral reef taxa (2023)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Description: 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.
    Keywords: 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 International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; 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
    Type: Dataset
    Format: text/tab-separated-values, 4181 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
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    Seawater carbonate chemistry and biological processes during experiments with Limacina helicina, 2009 (2010)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Description: Thecosome pteropods (pelagic mollusks) can play a key role in the food web of various marine ecosystems. They are a food source for zooplankton or higher predators such as fishes, whales and birds that is particularly important in high latitude areas. Since they harbor a highly soluble aragonitic shell, they could be very sensitive to ocean acidification driven by the increase of anthropogenic CO2 emissions. The effect of changes in the seawater chemistry was investigated on Limacina helicina, a key species of Arctic pelagic ecosystems. Individuals were kept in the laboratory under controlled pCO2 levels of 280, 380, 550, 760 and 1020 µatm and at control (0°C) and elevated (4°C) temperatures. The respiration rate was unaffected by pCO2 at control temperature, but significantly increased as a function of the pCO2 level at elevated temperature. pCO2 had no effect on the gut clearance rate at either temperature. Precipitation of CaCO3, measured as the incorporation of 45Ca, significantly declined as a function of pCO2 at both temperatures. The decrease in calcium carbonate precipitation was highly correlated to the aragonite saturation state. Even though this study demonstrates that pteropods are able to precipitate calcium carbonate at low aragonite saturation state, the results support the current concern for the future of Arctic pteropods, as the production of their shell appears to be very sensitive to decreased pH. A decline of pteropod populations would likely cause dramatic changes to various pelagic ecosystems.
    Keywords: Alkalinity, Gran titration (Gran, 1950); Alkalinity, total; Animalia; Aragonite saturation state; Arctic; Behaviour; Bicarbonate ion; Calcification/Dissolution; Calcite saturation state; Calcium carbonate passive adsorption; Calcium carbonate passive adsorption, standard deviation; Calcium carbonate precipitated; Calcium carbonate precipitated, standard deviation; Calculated; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Containers and aquaria (20-1000 L or 〈 1 m**2); EPOCA; EUR-OCEANS; European network of excellence for Ocean Ecosystems Analysis; European Project on Ocean Acidification; Experimental treatment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gut clearance coefficient; Identification; Limacina helicina; Mollusca; OA-ICC; Ocean Acidification International Coordination Centre; Open ocean; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; pH meter (Metrohm, 826 pH mobile); Polar; Respiration; Respiration rate, oxygen; Respiration rate, oxygen, standard deviation; Salinity; Single species; Species; Spectro-fluorometry using a Turner-Designs Fluorometer; after Lorenzen, 1967; Temperature, water; Titration, Winkler; Zooplankton
    Type: Dataset
    Format: text/tab-separated-values, 390 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    Seawater carbonate chemistry and calcification rates of Porites rus and Hydrolithon onkodes in experiments of Moorea (2013)
    PANGAEA
    In:  Supplement to: Comeau, Steeve; Carpenter, Robert C; Edmunds, Peter J (2012): Coral reef calcifiers buffer their response to ocean acidification using both bicarbonate and carbonate. Proceedings of the Royal Society B-Biological Sciences, 280(1753), https://doi.org/10.1098/rspb.2012.2374
    Details
    Publication Date: 2024-03-15
    Description: Central to evaluating the effects of ocean acidification (OA) on coral reefs is understanding how calcification is affected by the dissolution of CO2 in sea water, which causes declines in carbonate ion concentration [CO3]2- and increases in bicarbonate ion concentration [HCO3]-. To address this topic, we manipulated [CO3]2- and [HCO3]- to test the effects on calcification of the coral Porites rus and the alga Hydrolithon onkodes, measured from the start to the end of a 15-day incubation, as well as in the day and night. [CO3]2- played a significant role in light and dark calcification of P. rus, whereas [HCO3]- mainly affected calcification in the light. Both [CO3]2- and [HCO3]- had a significant effect on the calcification of H. onkodes, but the strongest relationship was found with [CO3]2-. Our results show that the negative effect of declining [CO3]2- on the calcification of corals and algae can be partly mitigated by the use of [HCO3]- for calcification and perhaps photosynthesis. These results add empirical support to two conceptual models that can form a template for further research to account for the calcification response of corals and crustose coralline algae to OA.
    Keywords: Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Aragonite saturation state, standard deviation; Benthic animals; Benthos; Bicarbonate ion; Bicarbonate ion, standard deviation; Calcification/Dissolution; Calcification rate of calcium carbonate; Calcite saturation state; Calculated using seacarb; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate ion, standard deviation; Carbonate system computation flag; Carbon dioxide; Carbon dioxide, standard deviation; Cnidaria; Coast and continental shelf; Containers and aquaria (20-1000 L or 〈 1 m**2); DATE/TIME; Date/time end; EXP; Experiment; French Polynesia; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Hydrolithon onkodes; Irradiance; Laboratory experiment; Macroalgae; Moorea; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; pH, standard deviation; Plantae; Porites rus; Potentiometric; Potentiometric titration; Rhodophyta; Salinity; South Pacific; Species; Species interaction; Temperature, standard deviation; Temperature, water; Treatment; Tropical
    Type: Dataset
    Format: text/tab-separated-values, 11870 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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