Fagus moesiaca / Aboveground biomass
Fagus moesiaca total aboveground dry biomass, nonlinear DBH fit (Table IV MT)
© Igor Balashov · CC BY · iNaturalistAs printed (Table IV, model in caption and MT row, p. 443)
In this library's units, ready to compute (kg)
Aboveground biomass = 0.9402 * D^1.9643D- Diameter at breast height (1.3 m), cm
D is DBH at 1.3 m. This original-scale nonlinear fit needs no log back-transformation correction. The authors report better SSE for nonlinear models, but lower MPD for the log models of total, stem and branch mass. The retained 5.19–40.6 cm range is explicitly reported in the methods (p. 441); the later comparison describes a largest Greek tree of 41.45 cm (p. 446). That sample-description discrepancy is not used to extend the reported range.
doi:10.1051/forest:2003036 · Peer-reviewed · Open access · copy we read
MT D 0.9402 1.9643
MT: total aboveground biomass
oven dried to constant weight
Biomass is expressed in kg, diameter in cm, and height in m.
Fagus moesiaca Cz.
Vermio Mountains of Northern Greece
the forest can be classified as temperate Mediterranean
Naturally regenerated, pure beech
number of sampled trees was 16
5.19 to 40.6 cm
5.19 to 40.6 cm
0.97
Nonlinear equations were developed for
- Trees measured
- 16
- DBH range
- 5.19–40.6 cm
- R²
- 0.97
- Method
- nonlinear regression on the original scale
- Where
- Vermio Mountain, Northern Greece
- Last checked
- 2026-11-05
Shaded: the DBH range the model was fitted on. Other inputs held at the values above.
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 = 20 | 338 | 338 | Computed from the printed form Computed from the Table IV nonlinear power fit. |
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