Table 3 Breast-height (1.4 m) outerwood basic density (BHBD) for commercial species averaged across all New Zealand studies in Scion’s wood density database
From: Plantation species-specific adjustment functions for the Forest Carbon Predictor in New Zealand
Age regression | ||||||||
|---|---|---|---|---|---|---|---|---|
Species | Mean BHBD | No. of regions | No. of studies | Total no. trees | Region p value | Intercept | Slope | p value |
Acacia dealbata | 406 | 3 | 8 | 62 | 0.0189 | 385 | 4.7 | 0.2153 |
Cupressus lusitanica | 361 | 9 | 24 | 283 | 0.0261 | 339 | 1.3 | 0.0225 |
Eucalyptus botryoides | 512 | 3 | 8 | 51 | 0.5848 | 425 | 5 | 0.0017 |
Eucalyptus fastigata | 450 | 2 | 6 | 22 | 0.5433 | 389 | 2.4 | 0.0003 |
Eucalyptus nitens | 437 | 4 | 15 | 117 | 0.0414 | 400 | 4.7 | < .0001 |
Eucalyptus regnans | 406 | 6 | 28 | 159 | 0.0643 | 380 | 1.7 | < .0001 |
Eucalyptus saligna | 509 | 5 | 16 | 97 | 0.0552 | 446 | 3 | 0.0002 |