层次 | 组分 | 碳素含量(g·kg−1) | 变异系数(% ) |
乔木层 | 树叶 | 487.9 ± 8.0a | 1.64 |
树枝 | 479.4 ± 11.2a | 2.34 | |
干皮 | 502.8 ± . | 1.77 | |
干材 | 494.4 ± 10.1a | 2.04 | |
树根 | 468.4 ± 3.5a | 0.75 | |
平均* | 494.6 ± 10.7 | 2.16 | |
灌木层 |
| 451.7 ± 15.6a | 3.45 |
草本层 |
| 430.5 ± 12.9b | 3.00 |
凋落物层 |
| 435 ± 20.4a | 4.69 |
土壤 | 0~ | 40.36 ± 1.82a | 4.51 |
≥20~ | 22.05 ± 1.07b | 7.34 | |
≥40~ | 8.43 ± 0.54c | 6.41 | |
≥60~ | 5.50 ± 0.30d | 5.45 | |
平均* | 15.16 ± 0.85 | 5.61 |