Table 1.
Description of samples, pyrosequencing depth of 16S rRNA PCR-amplicons and Shannon diversity indices.
| Sample name | Description | Total clean readsa | Shannonb |
|---|---|---|---|
| Mat1 | Microbial mat | 34562 | 2.82 (±0.10) |
| Mat2 | Microbial mat | 37692 | 3.88 (±0.08) |
| Mat3 | Microbial mat | 8685 | 3.91 (±0.07) |
| BaCh1W | Barite chimney1 interior | 26058 | 4.45 (±0.05) |
| BaCh1GC | Gray barite chimney1 channel | 48935 | 5.22 (±0.03) |
| BaCh1BC | Black barite chimney1 channel | 36389 | 5.23 (±0.03) |
| BaCh1O | Barite chimney1 exterior | 23499 | 3.91 (±0.07) |
| BaCh2W | Barite chimney2 interior | 30798 | 4.30 (±0.05) |
| BaCh2O | Barite chimney2 exterior | 47197 | 4.79 (±0.05) |
| SedRusty | Rusty surface sediment | 77600 | 5.64 (±0.04) |
| SedBlack | Black sediment | 5122 | 4.50 (±0.01) |
| SiChO | Barite-silica chimney exterior | 11779 | 4.65 (±0.05) |
| SiChW | Barite-silica chimney white section | 18540 | 5.03 (±0.04) |
| SiChC | Barite-silica chimney central section | 23858 | 4.64 (±0.05) |