Skip to main content
. 2011 Oct 31;6(10):e26941. doi: 10.1371/journal.pone.0026941

Table 2. Mean temperature, pH, carbonate chemistry, alkalinity, and salinity (±1 SD) during the two-level carbon dioxide and two-level temperature experiments with Mercenaria mercenaria, Crassostrea virginica, and Argopecten irradians juveniles.

Parameter Ambient, present day CO2 Elevated CO2
Mercenaria mercenaria, Crassostrea virginica, and Argopecten irradians juveniles
Temperature (°C) 24±0.65 24±0.65
pH 8.091±0.001 7.620±0.060
pCO2 (ppm)* 400±12.34 1665±25.60
Ωcalcite * 2.99±0.10 1.42±0.18
Ωaragonite * 1.93±0.07 0.92±0.12
Total DIC (µmol L1) 1502±48.47 2023±29.01
CO3 2− (µmol L−1)* 117.9±3.95 56.1±7.16
Alkalinity (TA)(µmol kg1)* 1667.5±52.15 2052.2±19.39
Salinity 28.0±3.0 28.0±3.0
Temperature (°C) 28±0.65 28±0.65
pH 8.092±0.002 7.617±0.047
pCO2 (ppm)* 399.5±1.68 1737±18.71
Ωcalcite * 3.38±0.04 1.64±0.19
Ωaragonite * 2.20±0.03 1.07±0.12
Total DIC (µmol L1) 1473±11.61 2039±4.10
CO3 2− (µmol L−1)* 131.5±1.64 64.0±7.16
Alkalinity (TA) (µmol kg1)* 1659.4±13.52 2080.8±17.67
Salinity 28.0±3.0 28.0±3.0

*Parameters calculated using CO2SYS.