# Koala et al. 2017: Allometric equations for below-ground biomass of four key woody species in West African savanna-woodlands

Koala, J., Sawadogo, L., Savadogo, P., Aynekulu, E., Heiskanen, J., Saïd, M. (2017). Allometric equations for below-ground biomass of four key woody species in West African savanna-woodlands. Silva Fennica, 51(3), article 1631.

- DOI: https://doi.org/10.14214/sf.1631
- Access: open access
- Copy we read: https://silvafennica.fi/pdf/1631
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-01
- Page: https://treeallometry.org/sources/koala-2017/

## Equations from this source (5)

### Root biomass from basal area at breast height, all four species

Root biomass for Four Sudanian savanna-woodland species (Anogeissus leiocarpa, Detarium microcarpum, Piliostigma thonningii, Vitellaria paradoxa), Burkina Faso. Inputs: DBH. DBH 1.59–23.87 cm. 100 trees.

As printed (Table 2, BA1.3 row, All species, p. 7):

> BA1.3 1084.9 603.0 0.88 0.09 0.56 0.85 <0.0001

Page: https://treeallometry.org/equations/koala-2017-bgb-ba13-all-species/

### Root biomass from basal area at breast height, Anogeissus leiocarpa

Root biomass for Anogeissus leiocarpa, Burkina Faso. Inputs: DBH. DBH 1.59–13.05 cm. 30 trees.

As printed (Table 2, BA1.3 row, Anogeissus leiocarpa, p. 7):

> BA1.3 225.4 125.7 0.77 0.09 0.78 0.44 <0.0001

Page: https://treeallometry.org/equations/koala-2017-bgb-ba13-anogeissus-leiocarpa/

### Root biomass from basal area at breast height, Detarium microcarpum

Root biomass for Detarium microcarpum, Burkina Faso. Inputs: DBH. DBH 2.23–23.87 cm. 30 trees.

As printed (Table 2, BA1.3 row, Detarium microcarpum, p. 7):

> BA1.3 628.7 518.3 0.68 0.14 0.52 0.69 <0.0001

Page: https://treeallometry.org/equations/koala-2017-bgb-ba13-detarium-microcarpum/

### Root biomass from basal area at breast height, Piliostigma thonningii

Root biomass for Piliostigma thonningii, Burkina Faso. Inputs: DBH. DBH 1.91–9.55 cm. 30 trees.

As printed (Table 2, BA1.3 row, Piliostigma thonningii, p. 7):

> BA1.3 519.6 456.4 0.75 0.13 0.58 0.64 <0.0001

Page: https://treeallometry.org/equations/koala-2017-bgb-ba13-piliostigma-thonningii/

### Root biomass from basal area at breast height, Vitellaria paradoxa

Root biomass for Vitellaria paradoxa, Burkina Faso. Inputs: DBH. DBH 2.55–10.82 cm. 10 trees.

As printed (Table 2, BA1.3 row, Vitellaria paradoxa, p. 7):

> BA1.3 5759.0 6001.4 1.15 0.17 0.85 0.58 <0.0001

Page: https://treeallometry.org/equations/koala-2017-bgb-ba13-vitellaria-paradoxa/