Table 2.
Carbonate chemistry (mean values ± standard errors) for each parameter measured in the experimental mesocosm aquariums.
| Tank | pHT | Temperature (°C) | Alkalinity (μmol kg−1) | Salinity (psu) | pCO2 (μatm) | Ωarag |
|---|---|---|---|---|---|---|
| 1 | 7.62 ± 0.02 | 25.6 ± 0.2 | 2142 ± 8 | 34.4 ± 0.1 | 1168 ± 55 | 1.41 ± 0.06 |
| 2 | 8.03 ± 0.01 | 25.6 ± 0.2 | 2142 ± 7 | 34.4 ± 0.1 | 391 ± 10 | 3.08 ± 0.06 |
| 3 | 7.65 ± 0.02 | 25.5 ± 0.2 | 2145 ± 7 | 34.4 ± 0.1 | 1093 ± 52 | 1.49 ± 0.06 |
| 4 | 8.04 ± 0.01 | 25.6 ± 0.2 | 2141 ± 8 | 34.4 ± 0.1 | 375 ± 11 | 3.17 ± 0.06 |
Water samples were collected twice per week at 1200 hr during the 6 week experiment (n = 13). Tanks 1 & 3 were randomly selected as the low pH treatment leaving 2 & 4 as the ambient pH treatment.