Citation:

maec.12044

Name: Seawater carbonate chemistry and sea urchin larval size in a laboratory experiment
Published: 2013
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Animalia; Anthocidaris crassispina; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Echinodermata; Growth/Morphology; Hemicentrotus pulcherrimus; Laboratory experiment; North Pacific; Pelagos; Single species; Temperate; Zooplankton

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Abstract:

Ocean acidification results from an increase in the concentrations of atmospheric carbon dioxide (CO2) impacts on marine calcifying species, which is predicted to become more pronounced in the future. By the end of this century, atmospheric pCO2 levels will have doubled relative to the pre-industrial levels of 280 ppm. However, the effects of pre-industrial pCO2 levels on marine organisms remain largely unknown. In this study, we investigated the effects of pre-industrial pCO2 conditions on the size of the pluteus larvae of sea urchins, which are known to be vulnerable to ocean acidification. The larval size of Hemicentrotus pulcherrimus significantly increased when reared at pre-industrial pCO2 level relative to the present one, and the size of Anthocidaris crassispina larvae decreased as the pCO2 levels increased from the pre-industrial level to the near future ones after 3 days' exposure. In this study, it is suggested that echinoid larvae responded to pre-industrial pCO2 levels. Ocean acidification may be affecting some sensitive marine calcifiers even at the present pCO2 level.

Keyword(s):

Animalia; Anthocidaris crassispina; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Echinodermata; Growth/Morphology; Hemicentrotus pulcherrimus; Laboratory experiment; North Pacific; Pelagos; Single species; Temperate; Zooplankton

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 2014-07-09.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Species	Species		Suwa, Ryota
2	Treatment	Treat		Suwa, Ryota
3	Length	l	µm	Suwa, Ryota		overall
4	Length, standard deviation	l std dev	±	Suwa, Ryota		overall
5	Length	l	µm	Suwa, Ryota		postoral arm
6	Length, standard deviation	l std dev	±	Suwa, Ryota		postoral arm
7	Length	l	µm	Suwa, Ryota		body
8	Length, standard deviation	l std dev	±	Suwa, Ryota		body
9	pH	pH		Suwa, Ryota	Calculated using CO2SYS	seawater scale
10	pH, standard deviation	pH std dev	±	Suwa, Ryota	Calculated using CO2SYS	seawater scale
11	Salinity	Sal		Suwa, Ryota
12	Salinity, standard deviation	Sal std dev	±	Suwa, Ryota
13	Temperature, water	Temp	°C	Suwa, Ryota
14	Temperature, water, standard deviation	Temp std dev	±	Suwa, Ryota
15	Alkalinity, total	AT	µmol/kg	Suwa, Ryota	Potentiometric titration
16	Alkalinity, total, standard deviation	AT std dev	±	Suwa, Ryota	Potentiometric titration
17	Carbonate ion	[CO3]2-	µmol/kg	Suwa, Ryota	Calculated using CO2SYS
18	Carbonate ion, standard deviation	[CO3]2- std dev	±	Suwa, Ryota	Calculated using CO2SYS
19	Calcite saturation state	Omega Cal		Suwa, Ryota	Calculated using CO2SYS
20	Calcite saturation state, standard deviation	Omega Cal std dev	±	Suwa, Ryota	Calculated using CO2SYS
21	Aragonite saturation state	Omega Arg		Suwa, Ryota	Calculated using CO2SYS
22	Aragonite saturation state, standard deviation	Omega Arg std dev	±	Suwa, Ryota	Calculated using CO2SYS
23	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	ppmv	Suwa, Ryota
24	Partial pressure of carbon dioxide, standard deviation	pCO2 std dev	±	Suwa, Ryota
25	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
26	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
27	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
28	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
29	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)
30	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
31	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
32	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
33	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
34	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:

204 data points

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