# Chojnacky et al. 2014: Updated generalized biomass equations for North American tree species

Chojnacky, D.C., Heath, L.S., Jenkins, J.C. (2014). Updated generalized biomass equations for North American tree species. Forestry, 87(1), 129–151.

- DOI: https://doi.org/10.1093/forestry/cpt053
- Access: open access
- Copy we read: https://research.fs.usda.gov/download/treesearch/45402.pdf
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-01
- Page: https://treeallometry.org/sources/chojnacky-2014/

## Equations from this source (7)

### North American taxa group: Cornaceae/Ericaceae/Lauraceae/Platanaceae/Rosaceae/Ulmaceae (Table 5)

Aboveground biomass for Cornaceae, Ericaceae, Lauraceae, Platanaceae, Rosaceae and Ulmaceae (mixed hardwood group), United States. Inputs: DBH. DBH 3–64 cm.

As printed (Table 5 caption, p. 140):

> ln(biomass) = β0 + β1 ln(diameter)

Page: https://treeallometry.org/equations/chojnacky-2014-mixed-hardwood/

### North American taxa group: Fagaceae, deciduous (Table 5)

Aboveground biomass for Fagaceae, United States. Inputs: DBH. DBH 3–89 cm.

As printed (Table 5 caption, p. 140):

> ln(biomass) = β0 + β1 ln(diameter)

Page: https://treeallometry.org/equations/chojnacky-2014-fagaceae-deciduous/

### North American taxa group: Hamamelidaceae (Table 5)

Aboveground biomass for Hamamelidaceae, United States. Inputs: DBH. DBH 3–53 cm.

As printed (Table 5 caption, p. 140):

> ln(biomass) = β0 + β1 ln(diameter)

Page: https://treeallometry.org/equations/chojnacky-2014-hamamelidaceae/

### North American taxa group: Magnoliaceae (Table 5)

Aboveground biomass for Magnoliaceae, United States. Inputs: DBH. DBH 3–65 cm.

As printed (Table 5 caption, p. 140):

> ln(biomass) = β0 + β1 ln(diameter)

Page: https://treeallometry.org/equations/chojnacky-2014-magnoliaceae/

### North American taxa group: Pinus ≥ 0.45 spg (Table 5)

Aboveground biomass for Pinus, United States. Inputs: DBH. DBH 3–56 cm.

As printed (Table 5 caption, p. 140):

> ln(biomass) = β0 + β1 ln(diameter)

Page: https://treeallometry.org/equations/chojnacky-2014-pinus-spg-ge-045/

### North American taxa group: Salicaceae < 0.35 spg (Table 5)

Aboveground biomass for Salicaceae, United States. Inputs: DBH. DBH 3–53 cm.

As printed (Table 5 caption, p. 140):

> ln(biomass) = β0 + β1 ln(diameter)

Page: https://treeallometry.org/equations/chojnacky-2014-salicaceae-spg-lt-035/

### North American taxa group: Salicaceae ≥ 0.35 spg (Table 5)

Aboveground biomass for Salicaceae, United States. Inputs: DBH. DBH 3–70 cm.

As printed (Table 5 caption, p. 140):

> ln(biomass) = β0 + β1 ln(diameter)

Page: https://treeallometry.org/equations/chojnacky-2014-salicaceae-spg-ge-035/