# Teshome et al. 2022: Mixed-Species Allometric Equations to Quantify Stem Volume and Tree Biomass in Dry Afromontane Forest of Ethiopia

Teshome, M., Torres, C.M.M.E., Sileshi, G.W., de Mattos, P.P., Braz, E.M., Temesgen, H., da Rocha, S.J.S.S., Alebachew, M. (2022). Mixed-Species Allometric Equations to Quantify Stem Volume and Tree Biomass in Dry Afromontane Forest of Ethiopia. Open Journal of Forestry, 12(3), 263-296.

- DOI: https://doi.org/10.4236/ojf.2022.123015
- Access: open access
- Copy we read: https://content.scirp.org/pdf/ojf_2022050715212549.pdf
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-02
- Page: https://treeallometry.org/sources/teshome-2022/

## Equations from this source (7)

### Stem biomass from d2h and wood density (M8)

Stem biomass for Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia. Inputs: DBH + Height + Wood density. DBH 6.2–85 cm. 193 trees.

As printed (Table 1 and Table 6):

> M8 ln(b) = ln(β0) + β1 ln(d^2 h) + β2 ln(ρ) + ε ... -3.127 0.929 0.278*

Page: https://treeallometry.org/equations/teshome-2022-stembm-m8/

### Stem biomass from DBH (M7)

Stem biomass for Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia. Inputs: DBH. DBH 6.2–85 cm. 193 trees.

As printed (Table 1 and Table 6):

> M7 ln(b) = ln(β0) + β1 ln(d) + ε ... -2.238 2.301

Page: https://treeallometry.org/equations/teshome-2022-stembm-m7/

### Stem biomass from DBH, height and wood density (M9)

Stem biomass for Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia. Inputs: DBH + Height + Wood density. DBH 6.2–85 cm. 193 trees.

As printed (Table 1 and Table 6):

> M9 ln(b) = ln(β0) + β1 ln(d) + β2 ln(h) + β3 ln(ρ) + ε ... -3.142 1.847 0.945 0.274*

Page: https://treeallometry.org/equations/teshome-2022-stembm-m9/

### Stem biomass from rho d2h (M10, best model)

Stem biomass for Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia. Inputs: Wood density + DBH + Height. DBH 6.2–85 cm. 193 trees.

As printed (Abstract):

> ln(b) = -2.983 + 0.949 * ln(ρ d^2 h)

Page: https://treeallometry.org/equations/teshome-2022-stembm-m10/

### Stem volume from d2h (M2, best model)

Stem volume for Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia. Inputs: DBH + Height. DBH 6.2–85 cm. 193 trees.

As printed (Abstract):

> ln(v) = -9.909 + 0.954 * ln(d^2 h)

Page: https://treeallometry.org/equations/teshome-2022-vol-m2/

### Stem volume from DBH (M1)

Stem volume for Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia. Inputs: DBH. DBH 6.2–85 cm. 193 trees.

As printed (Table 1 and Table 4):

> M1 ln(v) = ln(β0) + β1 ln(d) + ε ... -8.907 2.385

Page: https://treeallometry.org/equations/teshome-2022-vol-m1/

### Stem volume from DBH and height (M3)

Stem volume for Seven dominant species of Chilimo forest (Juniperus procera, Podocarpus falcatus, Olea africana, Allophylus abyssinicus, Olinia rochetiana, Rhus glutinosa, Scolopia theifolia), Ethiopia. Inputs: DBH + Height. DBH 6.2–85 cm. 193 trees.

As printed (Table 1 and Table 4):

> M3 ln(v) = ln(β0) + β1 ln(d^2) + β2 ln(h) + ε ... -9.883 0.962 0.925

Page: https://treeallometry.org/equations/teshome-2022-vol-m3/