Table 4 C stored in the woody debris classified by the various diameter class in Acacia and Eucalyptus plantations of different stand age (t·ha−1).
Type | Period | 2.5~10 cm | 10~20 cm | 20~30 cm | >30 cm | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Snags | Logs | Total | Snags | Logs | Total | Snags | Logs | Total | Snags | Logs | Total | ||
Eucalyptus | Young | 0a | 0Aa | 0Aa | 0a | 0Aa | 0A | 0a | 0Aa | 0Aa | 0a | 0a | 0a |
Middle-aged | 0.117 ± 0.11b | 0.050 ± 0.11Bb | 0.167 ± 0.15ABb | 0.199 ± 0.11b | 0.116 ± 0.09Ab | 0.314 ± 0.12Ba | 0.085 ± 0.09a | 0.014 ± 0.01Aa | 0.098 ± 0.09ABa | 0.00 ± 0.00a | 0.00 ± 0.00a | 0.00 ± 0.00a | |
Mature | 0.051 ± 0.01ab | 0.158 ± 0.05Bc | 0.210 ± 0.03Bb | 0.202 ± 0.13b | 0.405 ± 0.07Bc | 0.606 ± 0.13Bb | 0.157 ± 0.17a | 0.124 ± 0.08Bb | 0.280 ± 0.12Bb | 0.047 ± 0.05b | 0.064 ± 0.06b | 0.111 ± 0.10b | |
Acacia | Young | 0.044 ± 0.04a | 0.213 ± 0.12a | 0.256 ± 0.15a | 0.056 ± 0.03a | 0.117 ± 0.04a | 0.174 ± 0.07Aa | 0a | 0a | 0Aa | 0a | 0a | 0a |
Middle-aged | 0.210 ± 0.15a | 1.232 ± 1.44a | 1.442 ± 1.35a | 1.183 ± 0.87ab | 0.334 ± 0.15a | 1.518 ± 0.73ab | 0.813 ± 0.99ab | 0.220 ± 0.39a | 1.033 ± 0.96ab | 0.556 ± 0.69a | 0.012 ± 0.02a | 0.568 ± 0.69a | |
Mature | 0.125 ± 0.06a | 0.941 ± 0.43a | 1.067 ± 0.45a | 1.994 ± 1.04b | 1.069 ± 1.46a | 3.063 ± 1.52Bb | 1.420 ± 0.58b | 0.500 ± 0.06a | 1.920 ± 0.62Bb | 0.407 ± 0.31a | 0.223 ± 0.39a | 0.630 ± 0.40a | |
Forest types | ns | * | ** | ** | ns | ** | * | * | ** | * | ns | * | |