Juniperus procera / Aboveground biomass
Juniperus procera AGB from stump diameter DSH (M18)
Aboveground biomassJuniperus procera · CupressaceaeEthiopianaturalRead from the original paper
© avocat · CC BY · iNaturalistEquation
As printed (Table 4 (a, b, adj-R2, rRMSE, rBias, AIC))
M18 Juniperus procera 23 AGB = a × DSHb 0.095 2.250 0.982 37.2 −5.6 −8.8
In this library's units, ready to compute (kg)
Aboveground biomass = 0.095 * D30^2.25D30- Stem diameter at 30 cm, cm
DSH at 0.3 m mapped to D30. Best species-specific model for Juniperus procera from stump diameter. Adjusted R2 0.982. The fits were done on ln-transformed data and the paper says predictions were back-transformed with a correction factor (CF from RSE) for its error statistics, but it does not print the CF or say whether the tabulated a already includes it; no cf is entered. Adjusted R2 is given in the notes, not fit.r2, because it is adjusted.
Source
doi:10.3390/f10121114 · Open access · copy we read
- Trees measured
- 23
- Method
- Power function fitted on ln-transformed data
- Where
- Desa'a dry Afromontane forest, Tigray
- Last checked
- 2026-11-02
Calculate
16.9
Aboveground biomass (kg)
7.94
Carbon (kg), ×0.47
29.1
CO₂e (kg), ×44/12
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 |
|---|---|---|---|
| D30 = 10 | 16.9 | 16.9 | Computed from the printed form computed from the published form |
| D30 = 25 | 133 | 133 | Computed from the printed form computed from the published form |
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