Tree Allometrics

Sonneratia alba / Aboveground biomass

Sonneratia alba total aboveground biomass, power model (D)

Aboveground biomassSonneratia albaIndonesianaturalRead from the original paper
Photo of Sonneratia alba
© Oleg Kosterin · CC BY · iNaturalist
Equation

As printed (Table 6, Power row)

Power B = 0.049D^2.622 88% 0.279

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

Aboveground biomass = 0.049 * D^2.622
D
Diameter at breast height (1.3 m), cm

Stand origin is not stated in the paper; classified natural from its reference to natural forest stands. Fitted on 8 of the 14 felled trees (the other 6 were held out for validation); the paper prints no DBH range for the fitting trees. Total is the sum of stem, branch and leaf biomass (Table 2).

Source
A total of 14 trees were felled to serve as measurement samples: 8 for model development and 6 for model validation.
Trees measured · Results and Discussion, p. 908
88%
R² · Table 6, Power row
Trees measured
8
R²
0.88
Method
power model B = a D^b
Where
Tanah Merah Mangrove Forest, Kupang, East Nusa Tenggara
Last checked
2026-11-02
Calculate
33.1
Aboveground biomass (kg)
15.6
Carbon (kg), ×0.47
57
CO₂e (kg), ×44/12
0200400600800510152025303540DBH (cm)Aboveground biomass (kg)Aboveground 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 = 1233.133.1Computed from the printed form
computed from the published form (coefficients as printed)
D = 1895.895.8Computed from the printed form
computed from the published form (coefficients as printed)
D = 26251251Computed from the printed form
computed from the published form (coefficients as printed)

Report a problem with this equation · JSON

Related

Compare these curves