Table 4 Carbon density (CD) and carbon stock (CS) in individual layers of natural and planted forests
From: Similar carbon density of natural and planted forests in the Lüliang Mountains, China
Layer | Natural forests | Planted forests | ||||||
|---|---|---|---|---|---|---|---|---|
CD (Mg ha−1) | CS (106 Mg) | No. of plots | CD (Mg ha−1) | CS (106 Mg) | No. of plots | |||
Mean | SD | Mean | SD | |||||
Tree | 25.0b | 25.4 | 16.0 | 393 | 8.8bc | 14.4 | 4.75 | 341 |
Shrub | 7.3c | 5.1 | 7.97 | 689 | 10.0b | 6.7 | 6.97 | 440 |
Herb | 0.3d | 0.1 | 0.16 | 327 | 0.3d | 0.1 | 0.09 | 187 |
Litter | 2.8d | 0.8 | 1.45 | 327 | 3.2cd | 2.0 | 0.95 | 187 |
Dead wood | 1.4d | 2.9 | 0.41 | 186 | 0.9d | 1.8 | 0.08 | 56 |
Soil | 101.2a | 41.0 | 115 | 717 | 106.5a | 36.2 | 104.0 | 615 |