Table 3 Carbon density (CD) and carbon stock (CS) for the five age groups of natural, planted, and all forests
From: Similar carbon density of natural and planted forests in the Lüliang Mountains, China
Age group | Natural forests | Planted forests | All forests | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CD | CS (106 Mg) | % | CD | CS (106 Mg) | % | CD | CS (106 Mg) | % | ||||
(Mg ha−1) | (Mg ha−1) | (Mg ha−1) | ||||||||||
Mean | SD | Mean | SD | Mean | SD | |||||||
Young | 115.3b | 46.9 | 18.5 | 23.3 | 119.2bc | 38.4 | 49.5 | 55.5 | 118.1b | 40.9 | 68.0 | 40.3 |
Half-mature | 138.4a | 62.2 | 23.7 | 29.9 | 143.8a | 47.4 | 22.3 | 25.0 | 140.9a | 55.5 | 46.0 | 27.3 |
Near-mature | 154.5a | 53.5 | 27.2 | 34.3 | 134.3ab | 46.9 | 5.32 | 6.0 | 150.8a | 52.8 | 32.5 | 19.3 |
Mature | 156.2a | 54 | 9.9 | 12.5 | 123.6b | 42.8 | 5.29 | 5.9 | 143.0a | 52 | 15.2 | 9.0 |
Over-mature | – | – | – | – | 105.2c | 33.6 | 6.83 | 7.6 | 105.2b | 33.6 | 6.83 | 4.1 |