# Ramírez et al. 2022: Modelos alométricos para estimar biomasa aérea en bosques secundarios montanos del noroccidente de Ecuador

Ramírez, J., Córdova, M., Imbaquingo, J., & Chagna, E. (2022). Modelos alométricos para estimar biomasa aérea en bosques secundarios montanos del noroccidente de Ecuador. Caldasia, 44(1), 82–94.

- DOI: https://doi.org/10.15446/caldasia.v44n1.88198
- Access: open access
- Copy we read: https://revistas.unal.edu.co/index.php/cal/article/view/88198
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-02
- Page: https://treeallometry.org/sources/ramirez-2022/

## Equations from this source (32)

### Branch biomass, 18-year secondary montane forest, DAP² only

Branch biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (ramas, 18-year)):

> Br = e^(8,122 + 1,340*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age18-branch-d2/

### Branch biomass, 18-year secondary montane forest, DAP²·Ht

Branch biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (ramas, 18-year)):

> Br = e^(4,675 + 1,030*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age18-branch-d2h/

### Branch biomass, 30-year secondary montane forest, DAP² only

Branch biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (ramas, 30-year)):

> Br = e^(7,457 + 1,300*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age30-branch-d2/

### Branch biomass, 30-year secondary montane forest, DAP²·Ht

Branch biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (ramas, 30-year)):

> Br = e^(4,385 + 1,011*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age30-branch-d2h/

### Branch biomass, 50-year secondary montane forest, DAP² only

Branch biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (ramas, 50-year)):

> Br = e^(8,173 + 1,352*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age50-branch-d2/

### Branch biomass, 50-year secondary montane forest, DAP²·Ht

Branch biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (ramas, 50-year)):

> Br = e^(4,565 + 1,022*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age50-branch-d2h/

### Branch biomass, all ages pooled (general) secondary montane forest, DAP² only

Branch biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (ramas, General)):

> Br = e^(7,783 + 1,302*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-general-branch-d2/

### Branch biomass, all ages pooled (general) secondary montane forest, DAP²·Ht

Branch biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (ramas, General)):

> Br = e^(4,441 + 1,009*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-general-branch-d2h/

### Foliage biomass, 18-year secondary montane forest, DAP² only

Foliage biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (hojas, 18-year)):

> Bh = e^(7,110 + 1,345*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age18-foliage-d2/

### Foliage biomass, 18-year secondary montane forest, DAP²·Ht

Foliage biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (hojas, 18-year)):

> Bh = e^(3,632 + 1,042*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age18-foliage-d2h/

### Foliage biomass, 30-year secondary montane forest, DAP² only

Foliage biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (hojas, 30-year)):

> Bh = e^(6,161 + 1,307*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age30-foliage-d2/

### Foliage biomass, 30-year secondary montane forest, DAP²·Ht

Foliage biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (hojas, 30-year)):

> Bh = e^(2,999 + 1,100*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age30-foliage-d2h/

### Foliage biomass, 50-year secondary montane forest, DAP² only

Foliage biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (hojas, 50-year)):

> Bh = e^(6,857 + 1,357*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age50-foliage-d2/

### Foliage biomass, 50-year secondary montane forest, DAP²·Ht

Foliage biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (hojas, 50-year)):

> Bh = e^(3,236 + 1,027*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age50-foliage-d2h/

### Foliage biomass, all ages pooled (general) secondary montane forest, DAP² only

Foliage biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (hojas, General)):

> Bh = e^(6,432 + 1,276*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-general-foliage-d2/

### Foliage biomass, all ages pooled (general) secondary montane forest, DAP²·Ht

Foliage biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (hojas, General)):

> Bh = e^(3,158 + 0,990*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-general-foliage-d2h/

### Stem biomass, 18-year secondary montane forest, DAP² only

Stem biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (fuste, 18-year)):

> Bf = e^(9,156 + 1,354*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age18-stem-d2/

### Stem biomass, 18-year secondary montane forest, DAP²·Ht

Stem biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (fuste, 18-year)):

> Bf = e^(5,645 + 1,07*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age18-stem-d2h/

### Stem biomass, 30-year secondary montane forest, DAP² only

Stem biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (fuste, 30-year)):

> Bf = e^(8,516 + 1,303*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age30-stem-d2/

### Stem biomass, 30-year secondary montane forest, DAP²·Ht

Stem biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (fuste, 30-year)):

> Bf = e^(5,428 + 1,016*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age30-stem-d2h/

### Stem biomass, 50-year secondary montane forest, DAP² only

Stem biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (fuste, 50-year)):

> Bf = e^(9,420 + 1,349*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age50-stem-d2/

### Stem biomass, 50-year secondary montane forest, DAP²·Ht

Stem biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (fuste, 50-year)):

> Bf = e^(5,820 + 1,020*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age50-stem-d2h/

### Stem biomass, all ages pooled (general) secondary montane forest, DAP² only

Stem biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (fuste, General)):

> Bf = e^(8,966 + 1,326*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-general-stem-d2/

### Stem biomass, all ages pooled (general) secondary montane forest, DAP²·Ht

Stem biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (fuste, General)):

> Bf = e^(5,565 + 1,028*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-general-stem-d2h/

### Total aboveground biomass, 18-year secondary montane forest, DAP² only

Aboveground biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (total, 18-year)):

> Bt = e^(9,546 + 1,348*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age18-agb-d2/

### Total aboveground biomass, 18-year secondary montane forest, DAP²·Ht

Aboveground biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (total, 18-year)):

> Bt = e^(6,060 + 1,055*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age18-agb-d2h/

### Total aboveground biomass, 30-year secondary montane forest, DAP² only

Aboveground biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (total, 30-year)):

> Bt = e^(8,882 + 1,301*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age30-agb-d2/

### Total aboveground biomass, 30-year secondary montane forest, DAP²·Ht

Aboveground biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (total, 30-year)):

> Bt = e^(5,797 + 1,024*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age30-agb-d2h/

### Total aboveground biomass, 50-year secondary montane forest, DAP² only

Aboveground biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (total, 50-year)):

> Bt = e^(9,738 + 1,352*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-age50-agb-d2/

### Total aboveground biomass, 50-year secondary montane forest, DAP²·Ht

Aboveground biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (total, 50-year)):

> Bt = e^(6,129 + 1,022*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-age50-agb-d2h/

### Total aboveground biomass, all ages pooled (general) secondary montane forest, DAP² only

Aboveground biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH.

As printed (Tabla 4, p. 88 (total, General)):

> Bt = e^(9,292 + 1,316*ln(Dap²))

Page: https://treeallometry.org/equations/ramirez-2022-general-agb-d2/

### Total aboveground biomass, all ages pooled (general) secondary montane forest, DAP²·Ht

Aboveground biomass for Secondary montane forest trees, mixed species, Ecuador. Inputs: DBH + Height.

As printed (Tabla 4, p. 88 (total, General)):

> Bt = e^(6,020 + 1,040*ln(Dap²Ht))

Page: https://treeallometry.org/equations/ramirez-2022-general-agb-d2h/