Table 1.
Summary of values for water chemistry parameters for CO2 treatment levels
| Treatments | pH | pCO2 (ppm) | TA (μmol kg−1) | TCO2 (μmol kg−1) | ΩArag | DOC (mg L−1) | NH4 (μmol L−1) | NO2 (μmol L−1) | NO3 (μmol L−1) | PO4 (μmol L−1) |
|---|---|---|---|---|---|---|---|---|---|---|
| 300 | 8.12 (0.02) | 305 (11) | 2193 (13) | 1882 (16) | 3.37 (0.06) | 0.65 (0.02) | 0.037 (0.023) | 0.038 (0.005) | 0.450 (0.020) | 0.237 (0.007) |
| 400 | 8.02 (0.02) | 402 (20) | 2170 (27) | 1918 (29) | 2.78 (0.07) | 0.68 (0.01) | 0.020 (0.020) | 0.032 (0.009) | 0.460 (0.058) | 0.238 (0.010) |
| 560 | 7.85 (0.01) | 564 (12) | 2208 (22) | 2012 (17) | 2.26 (0.07) | 0.69 (0.01) | 0.072 (0.045) | 0.036 (0.010) | 0.524 (0.019) | 0.254 (0.007) |
| 1140 | 7.63 (0.02) | 1140 (52) | 2212 (20) | 2123 (24) | 1.32 (0.04) | 0.71 (0.03) | 0.070 (0.045) | 0.033 (0.002) | 0.545 (0.024) | 0.252 (0.007) |
pH, pCO2 (partial pressure CO2), TA (total alkalinity), TCO2 (total dissolved inorganic carbon) and ΩArag (aragonite saturation state) values are means of eight replicates (SEM). DOC (dissolved organic carbon), NH4, NO2, NO3 and PO4 are means of six replicates (SEM).