Table 2 Comparison of methane oxidation rates.
From: Carbonate-hosted methanotrophy represents an unrecognized methane sink in the deep sea
Study | Sample | Methane oxidation rate; nmol CH 4 cm −3 per day |
|---|---|---|
This study | ||
Oxic | Active sediment A.Sed-5128 | 64.1 (11.3) |
Low-activity sediment L.Sed-5043 | 4.7 (0.5) | |
Active porous carbonate A.Carb-5305 | 23.5 (2.4) | |
Active massive carbonate A.Carb-5152 | 16.2 (2.1) | |
Low-activity massive carbonate L.Carb-5028 | 6.8 (0.6) | |
Anoxic | Active sediment A.Sed-5128 | 193.6 (20.4) |
Low-activity sediment L.Sed-5043 | 7.5 (1.8) | |
Active porous carbonate A.Carb-5305 | 80.9 (9.2) | |
Active massive carbonate A.Carb-5152 | 52.5 (8.0) | |
Low-activity massive carbonate L.Carb-5028 | 11.8 (2.0) | |
Treude et al.43 | Hydrate Ridge active seep sediment | 32–2,358 |
Wegener et al.42 | North Sea active seep sediment | 25–450 |
Joye et al.70 | Gulf of Mexico active seep sediment | 121–501 |
Girguis et al.44 | Monterey Bay active seep sediment | 82.3 |
Hansen et al.45 | Norsminde Fjord inner shelf sediment | 14.3 |
Hoehler et al.10 | Cape Lookout Bight inner shelf sediment | 14–18 |
Reeburgh46 | Skan Bay outer shelf sediment | 4.9–9.3 |