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Table 1 Parameters of seawater carbonate system under tested pH conditions

From: The short-term effects of elevated CO2 and ammonium concentrations on physiological responses in Gracilariopsis lemaneiformis (Rhodophyta)

Culture conditions TA pCO2 CO2 CO3 2− HCO3 DIC
LpHLA 2012.75 ± 1.77 1420.09 ± 1.27 46.11 ± 0.04 52.60 ± 0.05 1878.61 ± 1.67 1977.32 ± 1.76
LpHMA 2017.33 ± 1.87 1423.37 ± 1.34 46.22 ± 0.04 52.72 ± 0.05 1882.94 ± 1.77 1981.88 ± 1.87
LpHHA 2015.42 ± 6.29 1405.93 ± 3.86 45.60 ± 0.13 53.76 ± 0.13 1879.16 ± 5.03 1978.52 ± 5.29
HpHLA 2022.16 ± 2.60 394.69 ± 0.53 12.82 ± 0.02 146.20 ± 0.20 1651.11 ± 2.21 1810.13 ± 2.42
HpHMA 2021.86 ± 2.40 394.63 ± 0.49 12.81 ± 0.02 146.18 ± 0.18 1650.86 ± 2.04 1809.85 ± 2.23
HpHHA 2019.51 ± 5.00 389.79 ± 1.35 12.69 ± 0.04 148.36 ± 0.28 1645.46 ± 4.43 1806.51 ± 4.76
  1. Values are means ± SD. Both pH and TA (μmol kg−1) were measured directly for each scenario, whereas pCO2 (μatm), CO2 (μmol kg−1), CO3 2− (μmol kg−1), HCO3 (μmol kg−1), and DIC (μmol kg−1) were calculated according to the CO2SYS program of Lewis and Wallace (1998)