# Brown & Iverson 1992: Biomass estimates for tropical forests

Brown, S., & Iverson, L. R. (1992). Biomass estimates for tropical forests. World Resources Review, 4, 366–384.

- Link: https://www.fao.org/4/w4095e/w4095e0b.htm
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- Status: current (link checked weekly); last checked 2026-11-01
- Page: https://treeallometry.org/sources/brown-iverson-1992/

## Equations from this source (1)

### Wet tropical zone AGB, quadratic (Brown 1997 Eq. 3.2.5)

Aboveground biomass for Tropical broadleaf trees (mixed species), Pantropical. Inputs: DBH. DBH 4–112 cm. 169 trees.

As printed (Eq. 3.2.5, Section 3.2.1 table):

> Y = 21.297-6.953(D)+0.740(D2)

Page: https://treeallometry.org/equations/brown-iverson-1992-wet/