Tree Allometrics

Equations / Aboveground biomass

Quercus cerris AGB, Zerqan site (height, Table 5)

Aboveground biomassQuercus cerris · FagaceaeAlbanianaturalRead from the original paper
Photo of Quercus cerris
Stephen James McWilliam · CC0 · iNaturalist
Equation

As printed (Table 5, Zerqan row, whole tree)

DW = 0.468 • H1.689

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

Aboveground biomass = 0.468 * H^1.689
H
Total tree height, m

Young Q. cerris coppice stand at Zerqan, Albania; whole-tree dry weight DW is the sum of stem, branches and leaves (roots not studied). Site-specific equation fitted on the 8-12 sampled trees of that site; 2.5-14.0 cm DBH and 2.2-10.5 m height are the sampled-tree ranges (Table 3). Fit by regression without transformation, so no correction factor.

Source
R2 0.95
R² · Table 5, Zerqan row, whole tree, R2 column
Zerqan 11
Trees measured · Table 3, Sampled tree number
Trees measured
11
DBH range
2.5–14 cm
Height range
2.2–10.5 m
R²
0.95
Method
linear or nonlinear regression without transformation
Where
Zerqan, Albania (young coppice stand)
Last checked
2026-11-02
Calculate
Height from
10.62
Aboveground biomass (kg)
4.991
Carbon (kg), ×0.47
18.3
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%.

InputsExpectedWe getFrom
H = 6.3510.610.6Computed from the printed form
hand-computed from the published form at the mid-point of the sampled range

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