Table 3.
A summary of the bacterial and archaeal clone libraries from sea ice horizon I (25 cm depth) and under-ice seawater, including the abundance of major taxonomic groups.
| Sea ice | Seawater | |
|---|---|---|
| Day of year collected | 74 + 81 | 35 |
| Temperature at collection | −22°C | −1.7°C |
| Bacterial clone libraries | FB04bi | FB04bw |
| All Bacteria | 109 | 46 |
| Proteobacteria | ||
| Alphaproteobacteria | ||
| SAR11 clade | 76 | 22 |
| Other | 5 | 3 |
| Gammaproteobacteria | 12 | 2 |
| Betaproteobacteria | 2 | 1 |
| Deltaproteobacteria | 1 | 0 |
| Unclassified Proteobacteria | 1 | 0 |
| Bacteroidetes | ||
| Flavobacteria | 6 | 13 |
| Sphingobacteria | 2 | 3 |
| Other | ||
| Actinobacteria | 3 | 1 |
| Verrucomicrobia | 1 | 0 |
| ‘Marine Group A’ | 0 | 1 |
| Archaeal clone libraries | FB04ai | FB04aw |
| All Archaea | 52 | 45 |
| Crenarchaeota | ||
| Marine Group I | 46 | 41 |
| Euryarchaeota | ||
| Marine Group II | 6 | 4 |