Table 3.
Culture conditions and growth rates of T. pseudonana and T. weissflogii.
| Treatment | Fe/Cu (nmol L−1) | Growth rate (day−1) |
|---|---|---|
| T. pseudonana | ||
| Replete | 150/10 | 1.00 ± 0.01 |
| Cu limited | 150/0.0001 | 1.00 ± 0.03 |
| Fe limited | 0.5/10 | 0.22 ± 0.01 |
| Fe/Cu limited | 0.5/0.0001 | 0.16 ± 0.01 |
| T. weissflogii | ||
| Replete | 150/10 | 0.63 ± 0.03 |
| Cu limited | 150/0.0001 | 0.48 ± 0.00 |
| Fe limited | 0.5/10 | 0.28 ± 0.07 |
| Fe/Cu limited | 0.5/0.0001 | 0.20 ± 0.03 |
Triplicate cultures were acclimated to each treatment with total Fe and Cu concentrations given. Growth rates represent the average of the triplicate cultures (±SD).