# Eshete et al. 2026: Aboveground biomass estimation of Vachellia tortilis (Forssk. Galasso & Banfi) for sustainable bioenergy production in the Central Rift Valley, Ethiopia

Eshete, A., Getnet, D., Yilma, Z., Chimsa, D. & Befikadu, E. (2026). Aboveground biomass estimation of Vachellia tortilis (Forssk. Galasso & Banfi) for sustainable bioenergy production in the Central Rift Valley, Ethiopia. Discover Forests, 2, 49.

- DOI: https://doi.org/10.1007/s44415-026-00110-y
- Peer review: A paper in a peer-reviewed journal.
- Access: open access
- Copy we read: https://link.springer.com/content/pdf/10.1007/s44415-026-00110-y.pdf
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-05
- Page: https://treeallometry.org/sources/eshete-2026/

## Equations from this source (12)

### Vachellia tortilis branch biomass (Model 3)

Branch biomass for Vachellia tortilis, Ethiopia. Inputs: DBH + Height. 15 trees.

As printed (Table 5, Models and Coefficients columns, Branch Model 3 row, p. 9):

> Y = β₁d^β₂h^β₃; β₁ = 0.043, β₂ = 1.667, β₃ = 1.423

Page: https://treeallometry.org/equations/eshete-2026-branch-m3/

### Vachellia tortilis branch biomass (Model 4)

Branch biomass for Vachellia tortilis, Ethiopia. Inputs: D30 + Height. 15 trees.

As printed (Table 5, Models and Coefficients columns, Branch Model 4 row, p. 9):

> Y = β₁dₛₕ^β₂h^β₃; β₁ = 0.092, β₂ = 1.693, β₃ = 1.791

Page: https://treeallometry.org/equations/eshete-2026-branch-m4/

### Vachellia tortilis branch biomass (Model 5)

Branch biomass for Vachellia tortilis, Ethiopia. Inputs: DBH + Height. 15 trees.

As printed (Table 5, Models and Coefficients columns, Branch Model 5 row, p. 9):

> Y = β₁d^β₂h; β₁ = 0.107, β₂ = 1.678

Page: https://treeallometry.org/equations/eshete-2026-branch-m5/

### Vachellia tortilis combined leaf and twig biomass (Model 5)

Foliage biomass for Vachellia tortilis, Ethiopia. Inputs: DBH + Height. 15 trees.

As printed (Table 5, Models and Coefficients columns, Leaf and twig Model 5 row, p. 9):

> Y = β₁d^β₂h; β₁ = 3.316, β₂ = 0.275

Page: https://treeallometry.org/equations/eshete-2026-foliage-m5/

### Vachellia tortilis combined leaf and twig biomass (Model 6)

Foliage biomass for Vachellia tortilis, Ethiopia. Inputs: D30 + Height. 15 trees.

As printed (Table 5, Models and Coefficients columns, Leaf and twig Model 6 row, p. 9):

> Y = β₁dₛₕ^β₂h; β₁ = 2.121, β₂ = 0.404

Page: https://treeallometry.org/equations/eshete-2026-foliage-m6/

### Vachellia tortilis combined leaf and twig biomass (Model 7)

Foliage biomass for Vachellia tortilis, Ethiopia. Inputs: DBH + D30. 15 trees.

As printed (Table 5, Models and Coefficients columns, Leaf and twig Model 7 row, p. 9):

> Y = β₁ (d^β₂ dₛₕ^β₃); β₁ = 2.888, β₂ = 2.073, β₃ = −1.203

Page: https://treeallometry.org/equations/eshete-2026-foliage-m7/

### Vachellia tortilis stem biomass (Model 2)

Stem biomass for Vachellia tortilis, Ethiopia. Inputs: D30. 15 trees.

As printed (Table 5, Models and Coefficients columns, Stem Model 2 row, p. 9):

> Y = β₁dₛₕ^β₂; β₁ = 0.001, β₂ = 3.395

Page: https://treeallometry.org/equations/eshete-2026-stem-m2/

### Vachellia tortilis stem biomass (Model 3)

Stem biomass for Vachellia tortilis, Ethiopia. Inputs: DBH + Height. 15 trees.

As printed (Table 5, Models and Coefficients columns, Stem Model 3 row, p. 9):

> Y = β₁d^β₂h^β₃; β₁ = 0.015, β₂ = 4.165, β₃ = −2.433

Page: https://treeallometry.org/equations/eshete-2026-stem-m3/

### Vachellia tortilis stem biomass (Model 4)

Stem biomass for Vachellia tortilis, Ethiopia. Inputs: D30 + Height. 15 trees.

As printed (Table 5, Models and Coefficients columns, Stem Model 4 row, p. 9):

> Y = β₁dₛₕ^β₂h^β₃; β₁ = 0.001, β₂ = 4.169, β₃ = −1.298

Page: https://treeallometry.org/equations/eshete-2026-stem-m4/

### Vachellia tortilis total aboveground biomass (Model 2)

Aboveground biomass for Vachellia tortilis, Ethiopia. Inputs: D30. 15 trees.

As printed (Table 5, Models and Coefficients columns, Total Model 2 row, p. 9):

> Y = β₁dₛₕ^β₂; β₁ = 0.734, β₂ = 1.854

Page: https://treeallometry.org/equations/eshete-2026-agb-m2/

### Vachellia tortilis total aboveground biomass (Model 3)

Aboveground biomass for Vachellia tortilis, Ethiopia. Inputs: DBH + Height. 15 trees.

As printed (Table 5, Models and Coefficients columns, Total Model 3 row, p. 9):

> Y = β₁d^β₂h^β₃; β₁ = 0.79, β₂ = 1.757, β₃ = 0.233

Page: https://treeallometry.org/equations/eshete-2026-agb-m3/

### Vachellia tortilis total aboveground biomass (Model 4)

Aboveground biomass for Vachellia tortilis, Ethiopia. Inputs: D30 + Height. 15 trees.

As printed (Fig. 4 caption, full equation for M₄, p. 11; corresponding fit in Table 5, Total Model 4 row, p. 9):

> Y = 0.31dₛₕ^1.731 h^0.633

Page: https://treeallometry.org/equations/eshete-2026-agb-m4/