Ocean acidification impacts mussel control on biomineralisation

Ocean acidification is altering the oceanic carbonate saturation state and threatening the survival of marine calcifying organisms. Production of their calcium carbonate exoskeletons is dependent not only on the environmental seawater carbonate chemistry but also the ability to produce biominerals t...

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Bibliographic Details
Main Authors: Fitzer, Susan C, Phoenix, Vernon R, Cusack, Maggie, Kamenos, N A
Format: Dataset
Language:English
Published: PANGAEA 2014
Subjects:
Alkalinity
total
standard deviation
Animalia
Aragonite saturation state
Benthic animals
Benthos
Bicarbonate ion
Bottles or small containers/Aquaria (<20 L)
Calcite saturation state
Calculated using CO2SYS
Calculated using seacarb after Nisumaa et al. (2010)
Carbon
inorganic
dissolved
Carbonate ion
Carbonate system computation flag
Carbon dioxide
Carbonic anhydrase activity
per tissue weight
Coast and continental shelf
Date
Fugacity of carbon dioxide (water) at sea surface temperature (wet air)
Growth/Morphology
Growth rate
Image number/name
Laboratory experiment
Mollusca
Mytilus edulis
North Atlantic
OA-ICC
Ocean Acidification International Coordination Centre
Other metabolic rates
Oxygen
Oxygen saturation
Partial pressure of carbon dioxide
Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)
pH
Potentiometric titration
Salinity
Sample ID
Single species
Species
Ocean acidification
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.837675
https://doi.org/10.1594/PANGAEA.837675
Description
Summary:Ocean acidification is altering the oceanic carbonate saturation state and threatening the survival of marine calcifying organisms. Production of their calcium carbonate exoskeletons is dependent not only on the environmental seawater carbonate chemistry but also the ability to produce biominerals through proteins. We present shell growth and structural responses by the economically important marine calcifier Mytilus edulis to ocean acidification scenarios (380, 550, 750, 1000 µatm pCO2). After six months of incubation at 750 µatm pCO2, reduced carbonic anhydrase protein activity and shell growth occurs in M. edulis. Beyond that, at 1000 µatm pCO2, biomineralisation continued but with compensated metabolism of proteins and increased calcite growth. Mussel growth occurs at a cost to the structural integrity of the shell due to structural disorientation of calcite crystals. This loss of structural integrity could impact mussel shell strength and reduce protection from predators and changing environments.

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