Table 1. Mean of pH and temperature of the experimental units registered during 6 h of experimental time.
| Temperature treatments (°C) | pH treatments | ||||
|---|---|---|---|---|---|
| Mean | SD | pH(c) | pCO2 (μatm)* | pH(t) | pCO2 (μatm)* |
| 16 | 0.23 | 8.17 | 302 | 7.78 | 787 |
| 20 | 0.22 | 8.16 | 313 | 7.75 | 862 |
| 24 | 0.21 | 8.13 | 338 | 7.75 | 873 |
| 28 | 0.24 | 8.19 | 287 | 7.62 | 1223 |
| 30 | 0.25 | 8.18 | 292 | 7.61 | 1235 |
| 34 | 0.28 | 8.16 | 303 | 7.61 | 1242 |
| 36 | 0.20 | 8.16 | 295 | 7.60 | 1260 |
| (Control) 26 | 0.24 | 8.19 | 356 | - | - |
| 8.17 ± 0.02 | 7.70 ± 0.08 | ||||
pH(c) = pH of control; pH(t) = pH modified
Values of pH(c) and pH(t) columns are means of experimental data; n = 36.
*Values of pCO2 (μatm) were estimated for each temperature according to the equation of Zeebe & Wolf-Gladrow [14].