Table 1 Carbonate system parameters (mean ± SE) registered at each experimental treatment combining two nominal levels of pH (Control = 8.0 and reduced pH ~ 7.7) and temperature dominating in Tongoy Bay, Chile, during the experimental period (14 °C) and under warmer conditions (18 °C).

From: Plasticity in organic composition maintains biomechanical performance in shells of juvenile scallops exposed to altered temperature and pH conditions

Carbonate System Parameter

14 °C

18 °C

pH ~ 8.0

pH ~ 7.7

pH ~ 8.0

pH ~ 7.7

Temperature (°C)

14.13 ± 0.19

14.08 ± 0.14

18.13 ± 0.11

18.14 ± 0.13

Salinity (PSU)

34.48 ± 1.78

35.86 ± 0.50

33.28 ± 1.97

34.00 ± 0.68

pHNBS

8.058 ± 0.017

7.754 ± 0.027

8.032 ± 0.041

7.720 ± 0.021

Total alkalinity (µmol kg−1)

1580.41 ± 206

1778.14 ± 127

1666.75 ± 117

1695.96 ± 133

pCO2 (µatm)

367.77 ± 62

891.26 ± 77

435.96 ± 74

969.48 ± 74

Ωcalcite

2.07 ± 0.24

1.28 ± 0.13

2.29 ± 0.09

1.25 ± 0.13

  1. NBS National Bureau of Standards.