Equations / Foliage biomass
Mixed mangrove leaf biomass, power model (D)
Foliage biomassSeven mangrove species (Bruguiera cylindrica, B. parviflora, B. sexangula, Ceriops tagal, Rhizophora apiculata, R. mucronata, Xylocarpus granatum)MalaysianaturalRead from the original paper
Many species, no single photo
Equation
As printed (Table 2)
(c) M of leaves 0.0347D1.9762 0.5834
In this library's units, ready to compute (kg)
Foliage biomass = 0.0347 * D^1.9762D- Diameter at breast height (1.3 m), cm
Table 2, equation 1. Output in kg dry mass (aboveground biomass in kg per Section 2.4). D was measured at about 1.37 m above ground, above the highest stilt root for Rhizophora (Section 2.2).
Source
doi:10.3390/f13020325 · Open access · copy we read
Destructive sampling was conducted using the selective random sampling method on 15 standing trees.
in the range of DBH from 9.0 cm to 33.0 cm
0.5834
- Trees measured
- 15
- DBH range
- 9–33 cm
- R²
- 0.5834
- Method
- power function (intrinsically linear), SPSS general linear model
- Where
- Sungai Pulai Forest Reserve, Johor
- Last checked
- 2026-11-02
Calculate
3.285
Foliage biomass (kg)
1.544
Carbon (kg), ×0.47
5.661
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 = 10 | 3.29 | 3.28 | Computed from the printed form computed from the published form (coefficients as printed) |
| D = 20 | 12.9 | 12.9 | Computed from the printed form computed from the published form (coefficients as printed) |
| D = 30 | 28.8 | 28.8 | Computed from the printed form computed from the published form (coefficients as printed) |
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