Tree Allometrics

Eucalyptus globulus / Stem biomass

Eucalyptus globulus stem dry weight to 10 cm top (Cuadro 2)

Stem biomassEucalyptus globulus subsp. globulus · MyrtaceaeChileplantationRead from the original paper
Photo of Eucalyptus globulus subsp. globulus
© Forest and Kim Starr · CC BY · iNaturalist
Equation

As printed (Cuadro 2, FUSTE (D.L 10 cm) row, p. 64)

PF10 = - 4,170064 + 0,014155 (D²H)

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

Stem biomass = -4.170064 + 0.014155 * (D^2 * H)
D
Diameter at breast height (1.3 m), cm
H
Total tree height, m

Stem from the stump (30 cm) up to a 10 cm utilisation limit. The paper does not say whether the stem weight includes bark. Trees from three unmanaged 20-25 year old coppice-origin (monte alto) stands. The paper does not print DBH or height ranges of the fitted sample, only a table of diameter classes, so none is given. H is read as total height (HTOT): the paper's own stand-table comparison feeds DAP and HT into these functions. No correction factor is stated for the log models, so none applies here. Not additive with the other component functions, as the authors note.

Source
se utilizó una muestra de 41 árboles extraídos de tres parcelas
Trees measured · Metodos, Muestreo, p. 60
FUSTE (D.L 10 cm) ... 0,98
R² · Cuadro 2, R² column, p. 64
Trees measured
41
R²
0.98
Method
stepwise linear regression on dry weight (Cuadro 2)
Where
Coastal zone of Valparaíso Region (Longotoma, Peñuelas, Santa Marta), central Chile
Last checked
2026-11-02
Calculate
Height from
109
Stem biomass (kg)
51.3
Carbon (kg), ×0.47
188
CO₂e (kg), ×44/12
0100200300400500510152025303540DBH (cm)Stem biomass (kg)Stem 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 = 20, H = 20109109Computed from the printed form
hand-computed from the Cuadro 2 form
D = 35, H = 25429429Computed from the printed form
hand-computed from the Cuadro 2 form

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