Citation:

s00343-014-3317-x

Name: The potential of ocean acidifi cation on suppressing larval development in the Pacifi c oyster Crassostrea gigas and blood cockle Arca infl ata Reeve
Published: 2014-12-25
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Animalia; Arca inflata Reeve; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Crassostrea gigas; Growth/Morphology; Laboratory experiment; Mollusca; North Pacific; Pelagos; Single species; Temperate; Zooplankton

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Abstract:

We evaluated the effect of pH on larval development in larval Pacific oyster (Crassostrea gigas) and blood cockle ( Arca inflata Reeve). The larvae were reared at pH 8.2 (control), 7.9, 7.6, or 7.3 beginning 30 min or 24 h post fertilization. Exposure to lower pH during early embryonic development inhibited larval shell formation in both species. Compared with the control, larvae took longer to reach the D-veliger stage when reared under pH 7.6 and 7.3. Exposure to lower pH immediately after fertilization resulted in significantly delayed shell formation in the Pacific oyster larvae at pH 7.3 and blood cockle larvae at pH 7.6 and 7.3. However, when exposure was delayed until 24 h post fertilization, shell formation was only inhibited in blood cockle larvae reared at pH 7.3. Thus, the early embryonic stages were more sensitive to acidified conditions. Our results suggest that ocean acidification will have an adverse effect on embryonic development in bivalves. Although the effects appear subtle, they may accumulate and lead to subsequent issues during later larval development.

Keyword(s):

Animalia; Arca inflata Reeve; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Crassostrea gigas; Growth/Morphology; Laboratory experiment; Mollusca; 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 [webpage]. 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 2014-12-25.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Species	Species		Fang, Jianguang
2	pH	pH		Fang, Jianguang		NBS scale
3	Shell length	Shell l	mm	Fang, Jianguang		incubated right after fertilization
4	Shell length, standard deviation	Shell l std dev	±	Fang, Jianguang		incubated right after fertilization
5	Shell length	Shell l	mm	Fang, Jianguang		incubated begining 24 hours post fertilization
6	Shell length, standard deviation	Shell l std dev	±	Fang, Jianguang		incubated begining 24 hours post fertilization
7	Temperature, water	Temp	°C	Fang, Jianguang
8	Alkalinity, total	AT	mmol(eq)/l	Fang, Jianguang	Potentiometric titration
9	Salinity	Sal		Fang, Jianguang
10	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
11	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
12	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
13	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)
14	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)
15	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
16	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
17	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
18	Alkalinity, total	AT	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
19	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
20	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:

160 data points

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