Avicennia lanata / Branch biomass

Avicennia lanata Branch biomass from D30 (Table 1)

Branch biomassAvicennia lanata · AcanthaceaeIndonesianaturalRead from the original paper

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Equation

As printed (Section 3.1, p. 401)

coefficient g: 0.0148, coefficient h: 2.3869, R2: 0.8760

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

Branch biomass = 0.0148 * D30^2.3869

D30: Stem diameter at 30 cm, cm

Form Y = g X^h, no correction factor stated. The paper does not state units in the text; DBH in cm and biomass in kg are read from Table 2 and the axis labels of Figures 2 and 3. The DBH range of the 13 harvested trees is not stated (Table 2 describes the stand), so no range is given. Young natural regeneration: the stand census in Table 2 ran from 2.7 to 9.4 cm DBH and the stand was under 10 m tall (Section 2.1).

Source

Hasidu, L.O.A.F., Prasetya, A., Maharani, et al. (2022). Allometric Model, Aboveground Biomass and Carbon Sequestration of Natural Regeneration of Avicennia lanata (Ridley). at in-active Pond of Muna Regency, Southeast Sulawesi. HAYATI Journal of Biosciences, 29(3), 399-408.

doi:10.4308/hjb.29.3.399-408 · Open access · copy we read

A total of 13 individuals of A. lanata with various DBH sizes was collected

Trees measured · Section 2.2, p. 400

Trees measured: 13
R²: 0.876
Method: power-law regression Y = g X^h
Where: In-active pond, Muna Regency, Southeast Sulawesi
Last checked: 2026-11-02

Calculate

D30 (cm)

0.204

Branch biomass (kg)

0.0958

Carbon (kg), ×0.47

0.351

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 = 3	0.204	0.204	Computed from the printed form computed from the published form Y = g X^h
D30 = 6	1.07	1.07	Computed from the printed form computed from the published form Y = g X^h
D30 = 9	2.81	2.81	Computed from the printed form computed from the published form Y = g X^h

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Avicennia lanata Branch biomass from DBH (Table 1) · Hasidu et al. 2022 · DBH
Avicennia officinalis branch biomass, a x^b of DBH * H (Table 3) · Lwin et al. 2026 · DBH + Height
Avicennia lanata Branch biomass from DBH (Table 1) · same paper · Branch biomass
Avicennia lanata Leaf biomass from D30 (Table 1) · same paper · Foliage biomass
Avicennia lanata Leaf biomass from DBH (Table 1) · same paper · Foliage biomass
Avicennia lanata Stem biomass from D30 (Table 1) · same paper · Stem biomass
Avicennia lanata Stem biomass from DBH (Table 1) · same paper · Stem biomass
Avicennia lanata Total aboveground biomass from D30 (Table 1) · same paper · Aboveground biomass
Avicennia lanata Total aboveground biomass from DBH (Table 1) · same paper · Aboveground biomass

Compare these curves

Avicennia lanata Branch biomass from D30 (Table 1)

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