Research Article
Species-Specific Allometric Equations, Biomass Expansion Factor, and Wood Density of Native Tree Species in the Dry Afromontane Forest of Ethiopia
Table 3
The best regression species-specific allometric equations for TAGB for studied tree species.
| | Sp name | Equations | Adj. R2 | AIC | CF | RSE | value |
| | A. d | TAGBest = exp (−3.03 + 1.20 ln (dbh) + 1.70 ln (ht)) | 0.92 | 5.66 | 1.03 | 0.25 | 0.01 | | C. m | TAGBest = exp (−2.02 + 1.52 ln (dbh) + 1.07 ln (ht)) | 0.97 | 6.05 | 1.01 | 0.17 | 0.001 | | C. a | TAGBest = exp (−1.39 + 0.80 ln (dbh2 ht wd)) | 0.96 | −2.65 | 1.02 | 0.18 | 0.001 | | I. m | TAGBest = exp (−2.73 + 0.98 ln (dbh2 ht wd)) | 0.99 | −11.59 | 1.00 | 0.10 | 0.001 | | M. s | TAGBest = exp (−3.06 + 1.93 ln (dbh) + 1.97 ln (cd)) | 0.95 | 10.35 | 1.05 | 0.30 | 0.001 |
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TAGBest: total above-ground biomass estimation; Adj. R2: coefficient of determination; AIC: Akaike information criterion; CF: correction factor; RSE: residual standard error.
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