Cruise ID | HPD dive# | Tracer and incubation condition | Incubation time (days) | Net assimilation (nmol day−1 L−1) |
---|---|---|---|---|
NT09-01 | 943 | 14C-CH4 (0.25Â MBq per bottle and 0.4Â mM) | 54 | 0.036 |
943 | 14C-CH4 (0.25 MBq per bottle and 0.4 mM) with 40 μM O2 | 54 | 0.049 | |
NT09-01 | 947 | 14C-Leucine (0.25Â MBq per bottle and 0.1Â mM) | 52 | 0.014 |
947 | 14C-Formate (0.25Â MBq per bottle and 0.1Â mM) | 52 | 0.06 | |
947 | 14C-Acetate (0.25Â MBq per bottle and 0.1Â mM) | 52 | 0.004 | |
NT09-01 | 948 | 14C-CH4 (0.25Â MBq per bottle and 0.4Â mM) with 10Â mM NaSO4 and 0.5Â mM Na2S | 49 | 0.039 |
948 | 14C-CO (0.25Â MBq per bottle and 0.4Â mM) | 49 | n.d.a | |
NT09-07 | 1007 | 14C-CH4 (0.25Â MBq per bottle and 0.4Â mM) | 123 | 0.2 |
1007 | 14C-HCO3− (0.25 MBq per bottle and 0.1 mM) with 0.4 mM H2 | 123 | 1.4 | |
1009 | 14C-Formate and 14C-acetate (each of 0.25Â MBq per bottle and 0.1Â mM) | 122 | 0.05 | |
An aerobic methanotroph culture | 14C-CH4 (0.25Â MBq per bottle and 0.4Â mM) | 1 | 20 | |
An autotrophic community in diffusing hydrothermal fluid | 14C-HCO3− (0.25 MBq per bottle and 0.1 mM) | 5 | 2.3 |