Table I:
Summary of initial experimental conditions. Mean water temperature for each treatment throughout the experiment, initial partial pressure of CO2 after CO2 manipulation (pCO2), initial dissolved inorganic nutrient concentrations and salinity.
| Control | High CO2 | Greenhouse | |
|---|---|---|---|
| Mean water temperature (°C) | 4.8 ± 0.3 | 5.4 ± 0.3 | 8.5 ± 0.4 |
| Initial pCO2 (μatm) | 536 ± 25 | 1017 ± 46 | 990 ± 57 |
| Initial nutrient concentrations (μmol L−1) | |||
| NO3− | 11 ± 0.2 | ||
| PO4−3 | 0.78 ± 0.05 | ||
| Si(OH)4 | 30.0 ± 1.5 | ||
| NH4+ | 2.4 ± 0.2 | ||
| Salinity | 20.0 | ||