TABLE 2.
Growth rates of N. europaea and the ammonia oxidizer G5-7 after the addition of fresh ammonium in relation to different periods of starvation
| Starvation time (wk) | Growth rate (h−1) ofa:
|
|
|---|---|---|
| N. europaea | Ammonia oxidizer G5-7 | |
| 1 | 0.138 ± 0.015 A | 0.071 ± 0.005 A |
| 2 | 0.133 ± 0.020 A | 0.080 ± 0.009 A |
| 4 | 0.065 ± 0.004 B | 0.037 ± 0.004 B |
| 10 | 0.063 ± 0.013b | 0.023 ± 0.004 B |
a
Data are means and standard deviations for four replicates, unless otherwise indicated. Different characters following values indicate significant (P < 0.05) differences between the means for the cultures.
b
Data are means and ranges for two replicates.