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Thiyagarajan, Vengatesen; Ko, W K Ginger (2012): Seawater carbonate chemistry and larval growth response of the Portuguese oyster (Crassostrea angulata) in a laboratory experiment [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.831099, Supplement to: Thiyagarajan, V; Ko, WKG (2012): Larval growth response of the Portuguese oyster (Crassostrea angulata) to multiple climate change stressors. Aquaculture, 370-371, 90-95, https://doi.org/10.1016/j.aquaculture.2012.09.025

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Abstract:
Rising anthropogenic carbon dioxide (CO2) dissolving into coastal waters is decreasing the pH and carbonate ion concentration, thereby lowering the saturation state of calcium carbonate (CaCO3) minerals through a process named ocean acidification (OA). The unprecedented threats posed by such low pH on calcifying larvae of several edible oyster species have not yet been fully explored. Effects of low pH (7.9, 7.6, 7.4) on the early growth phase of Portuguese oyster (Crassostrea angulata) veliger larvae was examined at ambient salinity (34 ppt) and the low-salinity (27 ppt) treatment. Additionally, the combined effect of pH (8.1, 7.6), salinity (24 and 34 ppt) and temperature (24 °C and 30 °C) was examined using factorial experimental design. Surprisingly, the early growth phase from hatching to 5-day-old veliger stage showed high tolerance to pH 7.9 and pH 7.6 at both 34 ppt and 27 ppt. Larval shell area was significantly smaller at pH 7.4 only in low-salinity. In the 3-factor experiment, shell area was affected by salinity and the interaction between salinity and temperature but not by other combinations. Larvae produced the largest shell at the elevated temperature in low-salinity, regardless of pH. Thus the growth of the Portuguese oyster larvae appears to be robust to near-future pH level (> 7.6) when combined with projected elevated temperature and low-salinity in the coastal aquaculture zones of South China Sea.
Keyword(s):
Animalia; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Crassostrea angulata; Growth/Morphology; Laboratory experiment; Mollusca; North Pacific; Pelagos; Salinity; Single species; Temperate; Temperature; Zooplankton
Further details:
Lavigne, Héloïse; Gattuso, Jean-Pierre (2011): seacarb: seawater carbonate chemistry with R. R package version 2.4. https://cran.r-project.org/package=seacarb
Coverage:
Latitude: 26.098160 * Longitude: 119.796060
Date/Time Start: 2011-09-01T00:00:00 * Date/Time End: 2011-11-30T00:00:00
Event(s):
Fujian * Latitude: 26.098160 * Longitude: 119.796060 * Date/Time Start: 2011-09-01T00:00:00 * Date/Time End: 2011-11-30T00:00:00 * Method/Device: Experiment (EXP) * Comment: Adult C. angulata were collected from the coastal area in Fujian and transported by train (in an
hour or two) to Hong Kong in wet condition.
Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne and Gattuso, 2011) 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 by seacarb is 2014-03-24.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
SpeciesSpeciesThiyagarajan, Vengatesen
FigureFigThiyagarajan, Vengatesen
TreatmentTreatThiyagarajan, Vengatesen
AreaAream2Thiyagarajan, Vengatesenlarval Shell
Area, standard deviationArea std dev±Thiyagarajan, Vengatesenlarval Shell
pHpHThiyagarajan, VengatesenNBS scale
pH, standard deviationpH std dev±Thiyagarajan, VengatesenNBS scale
Temperature, waterTemp°CThiyagarajan, Vengatesen
Temperature, water, standard deviationTemp std dev±Thiyagarajan, Vengatesen
10 SalinitySalThiyagarajan, Vengatesen
11 Salinity, standard deviationSal std dev±Thiyagarajan, Vengatesen
12 Alkalinity, totalATµmol/kgThiyagarajan, VengatesenPotentiometric titration
13 Alkalinity, total, standard deviationAT std dev±Thiyagarajan, VengatesenPotentiometric titration
14 Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmThiyagarajan, VengatesenCalculated using CO2SYS
15 Carbonate ion[CO3]2-µmol/kgThiyagarajan, VengatesenCalculated using CO2SYS
16 Calcite saturation stateOmega CalThiyagarajan, VengatesenCalculated using CO2SYS
17 Aragonite saturation stateOmega ArgThiyagarajan, VengatesenCalculated using CO2SYS
18 Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
19 pHpHYang, YanCalculated using seacarb after Nisumaa et al. (2010)total scale
20 Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
21 Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
22 Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
23 Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
24 Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
25 Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
26 Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
27 Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
405 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Species

Fig

Treat

Area [m2]
(larval Shell)

Area std dev [±]
(larval Shell)

pH
(NBS scale)

pH std dev [±]
(NBS scale)

Temp [°C]

Temp std dev [±]
10 
Sal
11 
Sal std dev [±]
12 
AT [µmol/kg]
(Potentiometric titration)
13 
AT std dev [±]
(Potentiometric titration)
14 
pCO2water_SST_wet [µatm]
(Calculated using CO2SYS)
15 
[CO3]2- [µmol/kg]
(Calculated using CO2SYS)
16 
Omega Cal
(Calculated using CO2SYS)
17 
Omega Arg
(Calculated using CO2SYS)
18 
CSC flag
(Calculated using seacarb afte...)
19 
pH
(total scale, Calculated using...)
20 
CO2 [µmol/kg]
(Calculated using seacarb afte...)
21 
pCO2water_SST_wet [µatm]
(Calculated using seacarb afte...)
22 
fCO2water_SST_wet [µatm]
(Calculated using seacarb afte...)
23 
[HCO3]- [µmol/kg]
(Calculated using seacarb afte...)
24 
[CO3]2- [µmol/kg]
(Calculated using seacarb afte...)
25 
DIC [µmol/kg]
(Calculated using seacarb afte...)
26 
Omega Arg
(Calculated using seacarb afte...)
27 
Omega Cal
(Calculated using seacarb afte...)
Crassostrea angulata (mollusk)1pH 8.10.000003410.000000188.050.0424.61.834.20.52250205641603.872.55267.9116563561185815920342.543.86
Crassostrea angulata (mollusk)1pH 7.90.000003200.000000467.950.0624.61.736.70.52300107361423.372.23267.8221735733195114221132.213.36
Crassostrea angulata (mollusk)1pH 7.60.000003090.000000227.550.2124.80.237.20.52320602052631.511.00267.42582048204221636422850.991.50
Crassostrea angulata (mollusk)2pH 8.10.000005280.000000258.080.0324.41.527.00.01860404691183.021.94267.9414467466156911817011.933.01
Crassostrea angulata (mollusk)2pH 7.90.000004790.000000507.810.1324.41.526.70.5190080964691.771.14267.672996295917306918281.141.77
Crassostrea angulata (mollusk)2pH 7.60.000004640.000000767.640.0424.31.526.70.51880201447471.220.78267.50441449144517634718540.781.21
Crassostrea angulata (mollusk)2pH 7.40.000004310.000000147.430.0924.41.627.70.51880502390310.790.51267.29712386237818043119060.510.78
Crassostrea angulata (mollusk)3Control0.000007220.000000457.990.0824.91.133.30.42340406961463.572.34267.8520697694198414621512.343.57
Crassostrea angulata (mollusk)3pH 7.60.000007540.000000787.670.1724.91.133.60.42380601593761.851.21267.53461605160021917823151.251.89
Crassostrea angulata (mollusk)3Sal 240.000007030.000000627.930.0925.11.123.40.7169070664731.931.22267.782066366115097316021.221.93
Crassostrea angulata (mollusk)3pH 7.6+Sal 240.000007970.000000587.570.1225.41.923.60.917401101662350.940.60267.42501666166116523617380.600.94
Crassostrea angulata (mollusk)3Tem 300.000006500.000001008.010.0830.60.833.30.42570907531934.783.20267.8619754752210819423213.204.78
Crassostrea angulata (mollusk)3pH 7.6+Tem 300.000006130.000000527.630.3130.60.833.60.92460701922862.141.43267.48481927192222528723871.432.14
Crassostrea angulata (mollusk)3Tem 30+Sal 240.000008470.000000927.950.0930.50.823.60.9177030683942.531.63267.791868468215419416531.622.52
Crassostrea angulata (mollusk)3pH 7.6+Sal 24+Tem 300.000009450.000001367.600.1930.50.823.60.91770501640451.210.78267.44431648164316604517480.781.21