# Bocko et al. 2023: Allometric equation for Raphia laurentii De Wild, the commonest palm in the central Congo peatlands

Bocko, Y.E., Panzou, G.J.L., Dargie, G.C., Mampouya, Y.E.W., Mbemba, M., Loumeto, J.J., Lewis, S.L. (2023). Allometric equation for Raphia laurentii De Wild, the commonest palm in the central Congo peatlands. PLoS ONE, 18(4), e0273591.

- DOI: https://doi.org/10.1371/journal.pone.0273591
- Access: open access
- Copy we read: https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0273591&type=printable
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-02
- Page: https://treeallometry.org/sources/bocko-2023/

## Equations from this source (4)

### Raphia laurentii AGB from stem base diameter (m13, mean petiole diameter ≥5 cm)

Aboveground biomass for Raphia laurentii, Congo - Brazzaville. Inputs: Root collar diameter. 60 trees.

As printed (Table 2, m13 row (AGB in kg dry mass); CF defined in Methods, p. 5):

> m13 ln(AGB) = a + b × ln(D) -5.737 3.048 0.69 0.45 77.3 48.07 -3.76 1.11

Page: https://treeallometry.org/equations/bocko-2023-m13-base-diameter-ge5/

### Raphia laurentii AGB from stem base diameter (m2, all sizes)

Aboveground biomass for Raphia laurentii, Congo - Brazzaville. Inputs: Root collar diameter. 90 trees.

As printed (Table 2, m2 row (AGB in kg dry mass); CF defined in Methods, p. 5):

> m2 ln(AGB) = a + b × ln(D) -6.308 3.211 0.86 0.44 113.53 39.28 -4.58 1.10

Page: https://treeallometry.org/equations/bocko-2023-m2-base-diameter/

### Raphia laurentii AGB from total palm height (m15, mean petiole diameter ≥5 cm)

Aboveground biomass for Raphia laurentii, Congo - Brazzaville. Inputs: Height. 60 trees.

As printed (Table 2, m15 row (AGB in kg dry mass); CF defined in Methods, p. 5):

> m15 ln(AGB) = a + b × ln(H) -5.027 3.349 0.64 0.48 86.29 45.59 0.27 1.12

Page: https://treeallometry.org/equations/bocko-2023-m15-height-ge5/

### Raphia laurentii AGB from total palm height (m4, all sizes)

Aboveground biomass for Raphia laurentii, Congo - Brazzaville. Inputs: Height. 90 trees.

As printed (Table 2, m4 row (AGB in kg dry mass); CF defined in Methods, p. 5):

> m4 ln(AGB) = a + b × ln(H) -5.262 3.404 0.82 0.50 136.13 38.51 -5.55 1.13

Page: https://treeallometry.org/equations/bocko-2023-m4-height/