Tree Allometrics

Equations / Foliage biomass

Quercus foliage biomass

Foliage biomassQuercus · FagaceaeMexiconaturalRead from the original paper
Covers the whole genus
Equation

As printed (Table 2, p. 12)

0.08234d1.59396

In this library's units, ready to compute (kg)

Foliage biomass = 0.08234 * D^1.59396
D
Diameter at breast height (1.3 m), cm

Equation as printed in the Table 2 system for this taxon; d is DBH in cm, h total height in m, output in kg dry mass. R² is the 10-fold cross-validation value. Group equation for all species of the genus in the study; fit ranges not printed for the group.

Source
foliage (needles/leaves)
Output · Section 2.2
R2 0.29 (cross-validation)
R² · Table 2, p. 12
R²
0.29
Method
Power-law component equations fitted simultaneously by generalized method of moments (additive system)
Where
Durango, Sierra Madre Occidental
Last checked
2026-11-02
Calculate
9.76
Foliage biomass (kg)
4.59
Carbon (kg), ×0.47
16.8
CO₂e (kg), ×44/12
051015202530510152025303540DBH (cm)Foliage biomass (kg)Foliage biomass

Shaded: the DBH range the model was fitted on. Other inputs held at the values above.

Checks this equation passes

On every build, the library's form and the paper's own form (in its units) must both give these values within 1%.

InputsExpectedWe getFrom
D = 209.769.76Computed from the printed form
computed from the Table 2 equation
D = 3523.823.8Computed from the printed form
computed from the Table 2 equation

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