TABLE 2.
Comparison of sulfate-dependent AOM rates and abundance of ANME archaea in natural habitats
| Habitat | AOM rate (nmol cm−3 day−1) | Abundance of ANME archaea | Source or reference(s) |
|---|---|---|---|
| Sonora margin cold seep sediments | NAa | 1010–1011 16S rRNA gene copies g−1 (dry sediment) | 24 |
| Offshore Joetsu methane-seep sediments | NA | 105–109 mcrA gene copies g−1 (dry sediment) | 36 |
| Coastal reedbed sediments | NA | 107–108 mcrA gene copies g−1 (dry sediment) | 34 |
| Haima cold seep sediments | NA | 103–107 mcrA gene copies g−1 (dry sediment) | 68 |
| Natural gas fields | NA | <105 16S rRNA gene copies ml−1 | 31 |
| Freshwater lake water column | NA | Less than the detection limit | 33 |
| Black Sea microbial mats and reefs | 1,000–20,000 | NA | 16, 41 |
| Cold seep sediments | 100–5,000 | NA | 27, 38 |
| Mud volcano | 10–500 | NA | 26, 48 |
| Coastal SMTZ | 1–200 | NA | 28, 46, 49 |
| Lake sediments | 0.01–5 | NA | 50, 51 |
| Subsurface SMTZ | 0.001–1 | NA | 30 |
| Black Sea water column | 0.0001–0.01 | NA | 52 |
| Zhoushan archipelago intertidal zone sediments | 0–0.77 nmol g−1 (dry sediment) day−1 | 1.64 × 106 to 9.99 × 106 16S rDNA copies g−1 (dry sediment) | This study |
a
NA, not applicable