Table 1 Microbial assimilation rates of 13C-labeled substrates and percent of 13C in total particulate organic carbon during incubation experiments. MOH, methanol; MMA, monomethylamine.
Station | Depth (m) | Substrate | Assimilation (13C) (μg L−1 d−1) | 13C% | ||
|---|---|---|---|---|---|---|
1 d | 4 d | 1 d | 4 d | |||
P1 | 5 | MOH | 165.6 | 77.4 | 27.9 | 17.9 |
S2 | 5 | MOH | 14.8 | 44.0 | 10.9 | 46.5 |
MMA | 0.4 | 26.7 | 0.5 | 48.2 | ||
69 | MOH | 1.4 | 41.1 | 3.0 | 51.7 | |
MMA | 11.4 | 39.8 | 20.0 | 58.4 | ||