Table 2 Biomass equations and goodness-of-fit statistics for available fuel components (w l and w b6) of maritime and radiata pine
P. pinaster | P. radiata | ||||
|---|---|---|---|---|---|
Biomass equation | R 2 | RMSE (kg) | Biomass equation | R 2 | RMSE (kg) |
\( {w_l}=0.01566\cdot {d^{2.072 }} \) | 0.837 | 4.77 | \( {w_l}=0.02023\cdot {d^{1.899 }} \) | 0.697 | 2.83 |
\( {w_{{\mathrm{b}6}}}=0.007241\cdot {d^{1.789 }} \) | 0.677 | 1.18 | \( {w_{{\mathrm{b}6}}}=0.01605\cdot {d^{1.864 }} \) | 0.790 | 1.55 |