Table 1 Summary of experimental culture conditions and biomass (mean ± SD) used during this study
Experiment | Treatment | Light level (μmol m-2 s-1) | Salinity | Temp. (°C) | NH4+(μM) | Leaf Biomass (gdw chmbr-1) | RR Biomass (gdw chmbr-1) |
|---|---|---|---|---|---|---|---|
Expt. I Light | Zero | 0.005 | 20 | 9 | 20 | 0.7 ± 0.2 | 0.3 ± 0.1 |
|  | 400 W | 100 | 20 | 9 | 20 | 1.0 ± 0.3 | 0.3 ± 0.1 |
|  | 1000 W | 430 | 20 | 9 | 20 | 0.9 ± 0.3 | 0.2 ± 0.1 |
Expt. II Temp | Cold | 400 | 20 | 2 | 20 | 1.4 ± 0.7 | 0.5 ± 0.2 |
|  | Ambient | 400 | 20 | 8 | 20 | 1.3 ± 0.4 | 0.4 ± 0.1 |
|  | Warm | 400 | 20 | 15 | 20 | 1.6 ± 0.2 | 0.5 ± 0.2 |
Expt. III Salinity | Low | 400 | 10 | 9 | 20 | 1.0 ± 0.3 | 0.3 ± 0.1 |
|  | Medium | 400 | 20 | 9 | 20 | 0.9 ± 0.2 | 0.3 ± 0.1 |
|  | High | 400 | 30 | 9 | 20 | 1.2 ± 0.3 | 0.4 ± 0.1 |