Citation:

srep06218

Name: Ocean acidification impacts mussel control on biomineralisation
Published: 2014-10-31
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Growth/Morphology; Laboratory experiment; Mollusca; Mytilus edulis; North Atlantic; Other metabolic rates; Single species; Temperate

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Abstract:

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.

Keyword(s):

Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Growth/Morphology; Laboratory experiment; Mollusca; Mytilus edulis; North Atlantic; Other metabolic rates; Single species; Temperate

Further details:

Lavigne, Héloïse; Epitalon, Jean-Marie; Gattuso, Jean-Pierre (2014): seacarb: seawater carbonate chemistry with R. R package version 3.0. https://cran.r-project.org/package=seacarb

Project(s):

Ocean Acidification International Coordination Centre (OA-ICC)

Comment:

In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne et al, 2014) 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 2014-10-30.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Species	Species		Fitzer, Susan C
2	Image number/name	Image no/name		Fitzer, Susan C		shell
3	Sample ID	Sample ID		Fitzer, Susan C		shell
4	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Fitzer, Susan C		treatment
5	Temperature, water	Temp	°C	Fitzer, Susan C		treatment
6	Growth rate	µ	mm/month	Fitzer, Susan C		shell
7	Growth rate	µ	mm/month	Fitzer, Susan C		calcite
8	Growth rate	µ	mm/month	Fitzer, Susan C		aragonite
9	Date	Date		Fitzer, Susan C		analysed
10	Sample ID	Sample ID		Fitzer, Susan C		test
11	Carbonic anhydrase activity	CA activity	EU/ml	Fitzer, Susan C		eExtrapallial fluid
12	Wet mass	Wet m	g	Fitzer, Susan C		mantle tissue
13	Carbonic anhydrase activity, per tissue weight	CA act	EU/mg	Fitzer, Susan C		mantle tissue
14	Salinity	Sal		Fitzer, Susan C
15	Salinity, standard deviation	Sal std dev	±	Fitzer, Susan C
16	Oxygen saturation	O2 sat	%	Fitzer, Susan C
17	Oxygen, standard deviation	O2 std dev	±	Fitzer, Susan C
18	Temperature, water	Temp	°C	Fitzer, Susan C
19	Temperature, water, standard deviation	Temp std dev	±	Fitzer, Susan C
20	pH	pH		Fitzer, Susan C	Calculated using CO2SYS	total scale
21	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Fitzer, Susan C
22	Partial pressure of carbon dioxide, standard deviation	pCO2 std dev	±	Fitzer, Susan C
23	Alkalinity, total	AT	µmol/kg	Fitzer, Susan C	Potentiometric titration
24	Alkalinity, total, standard deviation	AT std dev	±	Fitzer, Susan C	Potentiometric titration
25	Bicarbonate ion	[HCO3]-	µmol/kg	Fitzer, Susan C	Calculated using CO2SYS
26	Carbonate ion	[CO3]2-	µmol/kg	Fitzer, Susan C	Calculated using CO2SYS
27	Calcite saturation state	Omega Cal		Fitzer, Susan C	Calculated using CO2SYS
28	Aragonite saturation state	Omega Arg		Fitzer, Susan C	Calculated using CO2SYS
29	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
30	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
31	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
32	Fugacity of carbon dioxide (water) at sea surface temperature (wet air)	fCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
33	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
34	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
35	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
36	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
37	Calcite saturation state	Omega Cal		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

2516 data points

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