# Pinus resinosa

Pinaceae. 28 equations apply. Each output lists them most specific first: fitted on this species, on a variety of it, pooled fits that included it, then its genus and family. Within each step, equations the authors advised against go last, then those read from compilations; more trees come first. The order shows how specific the evidence is, not which equation predicts best.

Wood density 0.36 g/cm³, estimated from 68 samples in 3 studies by the [Global Wood Density Database v.2](https://doi.org/10.5281/zenodo.16919509) (Fischer et al. 2026, https://doi.org/10.1111/nph.70860; CC BY 4.0).

## Aboveground biomass

1. Lambert et al. 2005 (this species): Fitted on this species; 371 trees; DBH 1.3–55.1 cm; Read from the original paper.
   - [Canadian national equation, red pine, dbh only (sum of wood, bark, branches, foliage; Table 3)](https://treeallometry.org/equations/lambert-2005-red-pine/), Lambert et al. 2005: Pinus resinosa, Canada; inputs DBH; DBH 1.3–55.1 cm; 371 trees.
   - [Canadian national equation, red pine, dbh and height (sum of wood, bark, branches, foliage; Table 4)](https://treeallometry.org/equations/lambert-2005-red-pine-dbh-h/), Lambert et al. 2005: Pinus resinosa, Canada; inputs DBH + Height; DBH 1.3–55.1 cm; 371 trees.

2. Westfall et al. 2024 (this species): Fitted on this species; 200–221 trees; DBH 2.79–68.07 cm; Read from the original paper.
   - [NSVB red pine, species-level (all ecodivisions): total aboveground biomass (without foliage), segmented model (Eq. 2), D ≥ 9 in (22.86 cm)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-agb-large/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 22.86–68.07 cm; 221 trees.
   - [NSVB red pine, species-level (all ecodivisions): total aboveground biomass (without foliage), segmented model (Eq. 2), D < 9 in (22.86 cm)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-agb-small/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 2.79–22.86 cm; 221 trees.
   - [NSVB red pine, Warm Continental Division (210): total aboveground biomass (without foliage), segmented model (Eq. 2), D ≥ 9 in (22.86 cm)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-210-agb-large/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 22.86–68.07 cm; 200 trees.
   - [NSVB red pine, Warm Continental Division (210): total aboveground biomass (without foliage), segmented model (Eq. 2), D < 9 in (22.86 cm)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-210-agb-small/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 2.79–22.86 cm; 200 trees.

3. Chojnacky et al. 2014 (pooled, includes it): Pooled fit on 11 named species and others, this one included; Number of trees not stated; DBH 3–180 cm; Read from the original paper.
   - [North American taxa group: Pinus < 0.45 spg (Table 5)](https://treeallometry.org/equations/chojnacky-2014-pinus-spg-lt-045/), Chojnacky et al. 2014: Pinus < 0.45 spg (Pinus albicaulis, P. arizonica, P. banksiana, P. contorta, P. jeffreyi, P. lambertiana, P. leiophylla, P. monticola, P. ponderosa, P. resinosa, P. strobus, Pinus spp.), United States; inputs DBH; DBH 3–180 cm.

4. Brown 1997 (same genus): Fitted on the genus Pinus; 63 trees across all species; DBH 2–52 cm; Read from the original paper.
   - [Tropical pines AGB from DBH (Eq. 3.1.8 / 3.2.8)](https://treeallometry.org/equations/brown-1997-pine/), Brown 1997: Pinus, Global; inputs DBH; DBH 2–52 cm; 63 trees.

5. Vargas-Larreta et al. 2017 (same genus): Fitted on the genus Pinus; Number of trees not stated; Read from the original paper.
   - [Pinus total aboveground biomass](https://treeallometry.org/equations/vargas-larreta-2017-all-pines-agb/), Vargas-Larreta et al. 2017: Pinus, Mexico; inputs DBH + Height.

## Stem biomass

1. Lambert et al. 2005 (this species): Fitted on this species; 371 trees; DBH 1.3–55.1 cm; Read from the original paper.
   - [Canadian national equation, red pine, dbh and height (stem wood plus stem bark; Table 4)](https://treeallometry.org/equations/lambert-2005-red-pine-dbh-h-stem/), Lambert et al. 2005: Pinus resinosa, Canada; inputs DBH + Height; DBH 1.3–55.1 cm; 371 trees.
   - [Canadian national equation, red pine, dbh only (stem wood plus stem bark; Table 3)](https://treeallometry.org/equations/lambert-2005-red-pine-stem/), Lambert et al. 2005: Pinus resinosa, Canada; inputs DBH; DBH 1.3–55.1 cm; 371 trees.

## Branch biomass

1. Lambert et al. 2005 (this species): Fitted on this species; 371 trees; DBH 1.3–55.1 cm; Read from the original paper.
   - [Canadian national equation, red pine, dbh only (branches; Table 3)](https://treeallometry.org/equations/lambert-2005-red-pine-branches/), Lambert et al. 2005: Pinus resinosa, Canada; inputs DBH; DBH 1.3–55.1 cm; 371 trees.
   - [Canadian national equation, red pine, dbh and height (branches; Table 4)](https://treeallometry.org/equations/lambert-2005-red-pine-dbh-h-branches/), Lambert et al. 2005: Pinus resinosa, Canada; inputs DBH + Height; DBH 1.3–55.1 cm; 371 trees.

2. Westfall et al. 2024 (this species): Fitted on this species; 201–222 trees; DBH 2.79–68.07 cm; Read from the original paper.
   - [NSVB red pine, species-level (all ecodivisions): branch biomass (wood and bark), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-branch/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 2.79–68.07 cm; 222 trees.
   - [NSVB red pine, Warm Continental Division (210): branch biomass (wood and bark), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-210-branch/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 2.79–68.07 cm; 201 trees.

3. Vargas-Larreta et al. 2017 (same genus): Fitted on the genus Pinus; Number of trees not stated; Read from the original paper.
   - [Pinus branch biomass (wood and bark)](https://treeallometry.org/equations/vargas-larreta-2017-all-pines-branch/), Vargas-Larreta et al. 2017: Pinus, Mexico; inputs DBH + Height.

## Foliage biomass

1. Lambert et al. 2005 (this species): Fitted on this species; 371 trees; DBH 1.3–55.1 cm; Read from the original paper.
   - [Canadian national equation, red pine, dbh and height (foliage; Table 4)](https://treeallometry.org/equations/lambert-2005-red-pine-dbh-h-foliage/), Lambert et al. 2005: Pinus resinosa, Canada; inputs DBH + Height; DBH 1.3–55.1 cm; 371 trees.
   - [Canadian national equation, red pine, dbh only (foliage; Table 3)](https://treeallometry.org/equations/lambert-2005-red-pine-foliage/), Lambert et al. 2005: Pinus resinosa, Canada; inputs DBH; DBH 1.3–55.1 cm; 371 trees.

2. Westfall et al. 2024 (this species): Fitted on this species; 217–262 trees; DBH 2.79–68.07 cm; Read from the original paper.
   - [NSVB red pine, species-level (all ecodivisions): foliage biomass, Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-foliage/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 2.79–68.07 cm; 262 trees.
   - [NSVB red pine, Warm Continental Division (210): foliage biomass, Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-210-foliage/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 2.79–68.07 cm; 217 trees.

3. Vargas-Larreta et al. 2017 (same genus): Fitted on the genus Pinus; Number of trees not stated; Read from the original paper.
   - [Pinus foliage biomass](https://treeallometry.org/equations/vargas-larreta-2017-all-pines-foliage/), Vargas-Larreta et al. 2017: Pinus, Mexico; inputs DBH + Height.

## Stem volume

1. Westfall et al. 2024 (this species): Fitted on this species; 422–3,329 trees; DBH 2.79–70.1 cm; Read from the original paper.
   - [NSVB red pine, species-level (all ecodivisions): total stem wood volume (inside bark), modified Wiley model (Eq. 4)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-volume/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 2.79–70.1 cm; 3,329 trees.
   - [NSVB red pine, Warm Continental Division (210): total stem wood volume (inside bark), modified Wiley model (Eq. 4)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-210-volume/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 2.79–70.1 cm; 1,720 trees.
   - [NSVB red pine, Subarctic Division (130): total stem wood volume (inside bark), modified Wiley model (Eq. 4)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-130-volume/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 5.84–65.53 cm; 1,187 trees.
   - [NSVB red pine, Hot Continental Division (220): total stem wood volume (inside bark), modified Wiley model (Eq. 4)](https://treeallometry.org/equations/westfall-2024-pinus-resinosa-220-volume/), Westfall et al. 2024: Pinus resinosa, United States; inputs DBH + Height; DBH 5.33–58.93 cm; 422 trees.

2. Westfall et al. 2024 (same genus): Fitted on the genus Pinus; 154–1,915 trees across all species; DBH 2.54–99.06 cm; Read from the original paper.
   - [NSVB pine spp., species-level (all ecodivisions): total stem wood volume (inside bark), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-pinus-spp-volume/), Westfall et al. 2024: Pinus, United States; inputs DBH + Height; DBH 2.54–99.06 cm; 1,915 trees.
   - [NSVB pine spp., Subarctic Division (130): total stem wood volume (inside bark), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-pinus-spp-130-volume/), Westfall et al. 2024: Pinus, United States; inputs DBH + Height; DBH 2.54–53.59 cm; 1,723 trees.
   - [NSVB pine spp., Warm Continental Regime Mountains (M210): total stem wood volume (inside bark), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-pinus-spp-m210-volume/), Westfall et al. 2024: Pinus, United States; inputs DBH + Height; DBH 6.1–99.06 cm; 154 trees.