# Chave et al. 2005: Tree allometry and improved estimation of carbon stocks and balance in tropical forests

Chave, J., Andalo, C., Brown, S., et al. (2005). Tree allometry and improved estimation of carbon stocks and balance in tropical forests. Oecologia, 145(1), 87–99.

- DOI: https://doi.org/10.1007/s00442-005-0100-x
- Access: paywalled
- Copy we read: https://web.archive.org/web/2024id_/https://pdf.usaid.gov/pdf_docs/PA00KWXN.pdf
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-01
- Page: https://treeallometry.org/sources/chave-2005/

## Equations from this source (7)

### Dry forest AGB with height (Model I)

Aboveground biomass for Tropical broadleaf trees, Pantropical. Inputs: Wood density + DBH + Height. DBH 5–156 cm.

As printed (Choice of the best predictive models, Dry forest stands, p. 92):

> ⟨AGB⟩est = exp(−2.187 + 0.916 × ln(ρD²H)) ≡ 0.112 × (ρD²H)^0.916

Page: https://treeallometry.org/equations/chave-2005-dry-h/

### Dry forest AGB without height (Model II)

Aboveground biomass for Tropical broadleaf trees, Pantropical. Inputs: Wood density + DBH. DBH 5–156 cm.

As printed (Choice of the best predictive models, Dry forest stands, p. 92):

> ⟨AGB⟩est = ρ × exp(−0.667 + 1.784 ln(D) + 0.207(ln(D))² − 0.0281(ln(D))³)

Page: https://treeallometry.org/equations/chave-2005-dry-noh/

### Moist forest AGB with height (Model I)

Aboveground biomass for Tropical broadleaf trees, Pantropical. Inputs: Wood density + DBH + Height. DBH 5–156 cm.

As printed (Choice of the best predictive models, Moist forest stands, p. 92):

> ⟨AGB⟩est = exp(−2.977 + ln(ρD²H)) ≡ 0.0509 × ρD²H

Page: https://treeallometry.org/equations/chave-2005-moist-h/

### Moist forest AGB without height (Model II)

Aboveground biomass for Tropical broadleaf trees, Pantropical. Inputs: Wood density + DBH. DBH 5–156 cm.

As printed (Choice of the best predictive models, Moist forest stands, p. 92):

> ⟨AGB⟩est = ρ × exp(−1.499 + 2.148 ln(D) + 0.207(ln(D))² − 0.0281(ln(D))³)

Page: https://treeallometry.org/equations/chave-2005-moist-noh/

### Moist mangrove AGB without height (Model II)

Aboveground biomass for Mangrove trees (mixed species), Pantropical. Inputs: Wood density + DBH. DBH 5–156 cm.

As printed (Choice of the best predictive models, Moist mangrove forest stands, p. 93):

> ⟨AGB⟩est = ρ × exp(−1.349 + 1.980 ln(D) + 0.207(ln(D))² − 0.0281(ln(D))³)

Page: https://treeallometry.org/equations/chave-2005-mangrove-noh/

### Wet forest AGB with height (Model I)

Aboveground biomass for Tropical broadleaf trees, Pantropical. Inputs: Wood density + DBH + Height. DBH 5–156 cm.

As printed (Choice of the best predictive models, Wet forest stands, p. 93):

> ⟨AGB⟩est = exp(−2.557 + 0.940 × ln(ρD²H)) ≡ 0.0776 × (ρD²H)^0.940

Page: https://treeallometry.org/equations/chave-2005-wet-h/

### Wet forest AGB without height (Model II)

Aboveground biomass for Tropical broadleaf trees, Pantropical. Inputs: Wood density + DBH. DBH 5–156 cm.

As printed (Choice of the best predictive models, Wet forest stands, p. 93):

> ⟨AGB⟩est = ρ × exp(−1.239 + 1.980 ln(D) + 0.207(ln(D))² − 0.0281(ln(D))³)

Page: https://treeallometry.org/equations/chave-2005-wet-noh/