Table 1. Soil horizon characteristics for podzol forest soil profiles for a Young (35 year old) and Mature (110 year old) red spruce forest sites sampled to 50 cm.
| Young | Mature | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Horizon | Mean Thick-ness (cm) | Color | pH | C (%) |
δ13C (‰) |
C:N | Bulk density (g cm-3) |
Mean Thick- ness (cm) |
Color | pH |
C (%) | δ13C (‰) | C:N | Bulk density* (g cm-3) |
| Ae | 6.4 | 10YR 5/1 Grey |
3.0 | 3.19 | -27.26 | 26.6 | 0.72 | 8.9 | 10YR 4/2 Dark greyish brown |
3.5 | 1.95 | -26.95 | 31.4 | 0.72 |
| Bh | ________ | ___ | _____ | ________ | _____ | _____ | 1 | 5 YR 2.5/2 Dark reddish brown |
4.0 | 8.49 | -26.30 | 24.4 | 0.10* | |
| Bfh | 11.0 | 10 YR 4/4-4/6 Dark yellow-ish brown |
4.0 | 4.51 | -26.03 | 24.3 | 0.66 | 19.5 | 7.5 YR 3/3 10YR 3/6 Dark brown To dark yellow-ish brown |
4.0 | 6.54 | -25.58 | 22.8 | 0.67 |
| BC | 27.5 | 2.5 Y 4/3 Olive brown |
4.5 | 2.51 | -25.45 | 21.7 | 1.16 | 17.0 | 10 YR 4/3 Brown |
4.4 | 2.32 | -24.96 | 20.6 | 0.94 |
* Values estimated based on depth increment bulk density values and known horizon thickness.