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Average SOC content and predicted total SOC stocks in different permafrost zones within the circumpolar permafrost region.
| Permafrost types | Average SOC content (kg m−2) | Coefficient of variation (%) | Total SOC stock (Pg C) |
|---|---|---|---|
| Continuous | 10.0 (8.6–11) | 61.0 | 119.0 (105–131) |
| Discontinuous | 12.0 (11–13.5) | 39.0 | 39.0 (35–43) |
| Sporadic | 10.5 (9–12) | 39.0 | 31.0 (27–34) |
| Isolated | 9.0 (8–10) | 50.0 | 29.0 (25–32) |
Values in parentheses are the lower and upper quartiles.
