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Table III
Estimates of the above-ground biomass of limba plantations by using field data and existing models (age = 50 − 58 y).
| Stem biomass + large branches | Equation (2) | Equation (3) | Equation (4) | Equation (5) | |
|---|---|---|---|---|---|
| + twigs and leaves* | |||||
| Mean AGB tree−1 (Mg per tree) | 3.3 ± 2.4 | 4.3 ± 3.2 | 4.1 ± 2.8 | 4.4 ± 3.5 | 4.3 ± 3.5 |
| Mean stand AGB (Mg ha−1) | 108.4 ± 79.6 | 141.5 ± 104.3 | 135.7 ± 90.7 | 143.9 ± 114.8 | 142.0 ± 113.8 |
| Minimum annual increment (Mg ha−1y−1)** | 1.9 ± 1.4 | 2.4 ± 1.8 | 2.3 ± 1.6 | 2.5 ± 2.0 | 2.5 ± 2.0 |
| Maximum annual increment (Mg ha−1y−1)*** | 2.2 ± 1.6 | 2.8 ± 2.1 | 2.7 ± 1.8 | 2.9 ± 2.3 | 2.8 ± 2.3 |
| Mean planned stand AGB (Mg ha−1) | 171.2 ± 125.7 | 223.5 ± 164.7 | 214.3 ± 143.2 | 227.2 ± 181.3 | 224.1 ± 179.7 |
| Minimum annual increment (Mg ha−1y−1)** | 3.0 ± 2.2 | 3.9 ± 2.8 | 3.7 ± 2.5 | 3.9 ± 3.1 | 3.9 ± 3.1 |
| Maximum annual increment (Mg ha−1y−1)*** | 3.4 ± 2.5 | 4.4 ± 3.3 | 4.3 ± 2.9 | 4.5 ± 3.6 | 4.5 ± 3.6 |
| Mean potential stand AGB (Mg ha−1) | 342.4 ± 251.4 | 446.9 ± 329.4 | 428.5 ± 286.4 | 454.3 ± 362.6 | 448.3 ± 359.4 |
| Minimum annual increment (Mg ha−1y−1)** | 5.9 ± 4.3 | 7.7 ± 5.7 | 7.4 ± 4.9 | 7.8 ± 6.3 | 7.7 ± 6.2 |
| Maximum annual increment (Mg ha−1y−1)*** | 6.9 ± 5.0 | 8.9 ± 6.6 | 8.6 ± 5.7 | 9.1 ± 7.3 | 9.0 ± 7.2 |