Table 4.
Mean (SE in parentheses) concentrations of soil organic C (g kg−1 soil) within each of the 0–15 and 15–30 cm soil layers, among the subregions investigated. Within a column, means with different letters differ, P < 0.05.
| Subregion | Soil Organic C (g kg−1) | |||
|---|---|---|---|---|
| 0–15 cm | 15–30 cm | |||
| Dry Mixedgrass | 15.6 (3.2) | C | 15.4 (2.4) | B |
| Mixedgrass | 28.3 (4.5) | B | 17.7 (3.3) | B |
| Central Parkland | 27.8 (2.5) | B | 15.4 (2.4) | B |
| Foothills Fescue | 53.2 (5.1) | A | 36.2 (4.1) | A |
| Montane | 56.4 (2.3) | A | 34.2 (1.7) | A |
| Upper Foothills | 50.1 (4.1) | A | 37.5 (3.0) | A |