# Segura & Kanninen 2005: Allometric Models for Tree Volume and Total Aboveground Biomass in a Tropical Humid Forest in Costa Rica

Segura, M., & Kanninen, M. (2005). Allometric Models for Tree Volume and Total Aboveground Biomass in a Tropical Humid Forest in Costa Rica. Biotropica, 37(1), 2–8.

- DOI: https://doi.org/10.1111/j.1744-7429.2005.02027.x
- Access: open access
- Copy we read: https://www.cifor-icraf.org/publications/pdf_files/articles/ASegura0501.pdf
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-02
- Page: https://treeallometry.org/sources/segura-2005/

## Equations from this source (5)

### Stem volume from DBH (Eq. 5)

Stem volume for Seven dominant canopy species (Carapa guianensis, Inga coruscans, Laetia procera, Pentaclethra macroloba, Stryphnodendron microstachyum, Tapirira guianensis, Vochysia ferruginea), Costa Rica. Inputs: DBH. DBH 60–105 cm. 19 trees.

As printed (Table 4, Eq. 5):

> ln V stem = c + a ln DBH; c −8.70 ± 1.77; a 2.41 ± 0.40

Page: https://treeallometry.org/equations/segura-2005-vstem-lnd/

### Total AGB from DBH and total height (Eq. 15)

Aboveground biomass for Seven dominant canopy species (Carapa guianensis, Inga coruscans, Laetia procera, Pentaclethra macroloba, Stryphnodendron microstachyum, Tapirira guianensis, Vochysia ferruginea), Costa Rica. Inputs: DBH + Height. DBH 60–105 cm. 19 trees.

As printed (Table 5, Eq. 15):

> ln B tot = c + a ln DBH + b (ln DBH) H; c −6.93 ± 0.91; a 1.86 ± 0.21; b 0.0045 ± 0.00095

Page: https://treeallometry.org/equations/segura-2005-btot-eq15/

### Total AGB from DBH squared, log form (Eq. 11)

Aboveground biomass for Seven dominant canopy species (Carapa guianensis, Inga coruscans, Laetia procera, Pentaclethra macroloba, Stryphnodendron microstachyum, Tapirira guianensis, Vochysia ferruginea), Costa Rica. Inputs: DBH. DBH 60–105 cm. 19 trees.

As printed (Table 5, Eq. 11):

> ln B tot = c + a DBH2; c 0.76 ± 0.16; a 0.00015 ± 0.000023

Page: https://treeallometry.org/equations/segura-2005-btot-eq11/

### Total AGB from DBH, power law (Eq. 12)

Aboveground biomass for Seven dominant canopy species (Carapa guianensis, Inga coruscans, Laetia procera, Pentaclethra macroloba, Stryphnodendron microstachyum, Tapirira guianensis, Vochysia ferruginea), Costa Rica. Inputs: DBH. DBH 60–105 cm. 19 trees.

As printed (Table 5, Eq. 12):

> ln B tot = c + a ln DBH; c −7.27 ± 1.37; a 2.07 ± 0.31

Page: https://treeallometry.org/equations/segura-2005-btot-eq12/

### Total tree volume from DBH (Eq. 8)

Total volume for Seven dominant canopy species (Carapa guianensis, Inga coruscans, Laetia procera, Pentaclethra macroloba, Stryphnodendron microstachyum, Tapirira guianensis, Vochysia ferruginea), Costa Rica. Inputs: DBH. DBH 60–105 cm. 19 trees.

As printed (Table 4, Eq. 8):

> ln V tot = c + a ln DBH; c −7.15 ± 1.07; a 2.15 ± 0.24

Page: https://treeallometry.org/equations/segura-2005-vtot-lnd/