Equations / Aboveground biomass
Larix cajanderi, Ust-Yansky district, total aboveground biomass from DBH (Table 5)
Aboveground biomassLarix cajanderi · PinaceaeRussianaturalRead from the original paper
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Equation
As printed (Table 5)
Ust-Yansky district Aboveground 1.8–18.9 20 0.260 0.039 2.062 0.074 5.285; Y = a × DBH^b, Y in kg dry weight, DBH in cm
In this library's units, ready to compute (kg)
Aboveground biomass = 0.26 * D^2.062D- Diameter at breast height (1.3 m), cm
Coefficients as printed in Table 5 (3 decimals); no log back-transform because fitted by weighted nonlinear regression.
Source
doi:10.5194/bg-19-4499-2022 · Open access · copy we read
20 trees, DBH range 1.8–18.9 cm
- Trees measured
- 20
- DBH range
- 1.8–18.9 cm
- Method
- weighted nonlinear least squares power function, weights DBH^(-2c)
- Where
- Ust-Yansky district, Republic of Sakha, Russia (site-specific, Larix cajanderi stands)
- Last checked
- 2026-11-02
Calculate
2.505
Aboveground biomass (kg)
1.177
Carbon (kg), ×0.47
4.317
CO₂e (kg), ×44/12
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%.
| Inputs | Expected | We get | From |
|---|---|---|---|
| D = 3 | 2.5 | 2.5 | Computed from the printed form hand-computed from the published form |
| D = 8 | 18.9 | 18.9 | Computed from the printed form hand-computed from the published form |
| D = 15 | 69.2 | 69.2 | Computed from the printed form hand-computed from the published form |
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