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Concentrations of headspace gases generated during 12 months of incubation at 4°C by 1997 thawed ice samples amended with 0.25× R2A medium
| Sample | Concn (ppmv) ofa:
|
|
|---|---|---|
| CO2 | CH4 | |
| Basal ice (debris rich) | 58,000 ± 2,700 | 16,000 ± 100 |
| Glacier ice (debris poor) | 5,500 ± 150 | 1.7 ± 0.1 |
| Uninoculated medium | 8,600 ± 300 | 1.4 ± 0.2 |
Values are means ± standard deviations based on the results of duplicate analyses.
