Table 1. Major taxa in summed analyses of east Skaftárketill lake samples (%).
| Genus (Class) | v3–v5 | v4–v6 | v6 | Clones | FISH |
|---|---|---|---|---|---|
| Acetobacterium (Clostridia) | 36.3 | 42.7 | 62.6a | 41.8 | 25.3 |
| Sulfuricurvum (ɛ-proteobacteria) | 41.7 | 23.1 | 3.6 | 48.0 | 22.0 |
| Geobacter (δ-proteobacteria) | 13.0 | 21.3 | 28.0 | 1.0 | —b |
| Sulfurospirillum (ɛ-proteobacteria) | 4.7a | 3.4 | 1.1 | 7.9 | 19.6 |
| Desulfosporosinus (Clostridia) | 1.5 | 1.6 | —c | 1.2 | —b |
Abbreviations: FISH, fluorescent in situ hybridization; OTU, operational taxonomic units.
a
Clustered into two OTUs (3% difference criterion).
b
Not probed.
c
Not detected.