# Ulmus alata

Ulmaceae. 9 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 0.59 g/cm³, estimated from 4 samples in 4 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. Westfall et al. 2024 (same genus): Fitted on the genus Ulmus; 51–55 trees across all species; DBH 2.54–28.45 cm; Read from the original paper.
   - [NSVB elm spp., species-level (all ecodivisions): total aboveground biomass (without foliage), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-ulmus-spp-agb/), Westfall et al. 2024: Ulmus, United States; inputs DBH + Height; DBH 2.54–28.45 cm; 55 trees.
   - [NSVB elm spp., Subtropical Division (230): total aboveground biomass (without foliage), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-ulmus-spp-230-agb/), Westfall et al. 2024: Ulmus, United States; inputs DBH + Height; DBH 2.54–28.45 cm; 51 trees.

## Branch biomass

1. Westfall et al. 2024 (same genus): Fitted on the genus Ulmus; 51–55 trees across all species; DBH 2.54–28.45 cm; Read from the original paper.
   - [NSVB elm spp., species-level (all ecodivisions): branch biomass (wood and bark), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-ulmus-spp-branch/), Westfall et al. 2024: Ulmus, United States; inputs DBH + Height; DBH 2.54–28.45 cm; 55 trees.
   - [NSVB elm spp., Subtropical Division (230): branch biomass (wood and bark), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-ulmus-spp-230-branch/), Westfall et al. 2024: Ulmus, United States; inputs DBH + Height; DBH 2.54–28.45 cm; 51 trees.

## Foliage biomass

1. Westfall et al. 2024 (same genus): Fitted on the genus Ulmus; 51–55 trees across all species; DBH 2.54–28.45 cm; Read from the original paper.
   - [NSVB elm spp., species-level (all ecodivisions): foliage biomass, Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-ulmus-spp-foliage/), Westfall et al. 2024: Ulmus, United States; inputs DBH + Height; DBH 2.54–28.45 cm; 55 trees.
   - [NSVB elm spp., Subtropical Division (230): foliage biomass, Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-ulmus-spp-230-foliage/), Westfall et al. 2024: Ulmus, United States; inputs DBH + Height; DBH 2.54–28.45 cm; 51 trees.

## Stem volume

1. Westfall et al. 2024 (this species): Fitted on this species; 13 trees; DBH 12.7–30.99 cm; Read from the original paper.
   - [NSVB winged elm, species-level (all ecodivisions): total stem wood volume (inside bark), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-ulmus-alata-volume/), Westfall et al. 2024: Ulmus alata, United States; inputs DBH + Height; DBH 12.7–30.99 cm; 13 trees.

2. Westfall et al. 2024 (same genus): Fitted on the genus Ulmus; 490–544 trees across all species; DBH 2.54–87.12 cm; Read from the original paper.
   - [NSVB elm spp., species-level (all ecodivisions): total stem wood volume (inside bark), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-ulmus-spp-volume/), Westfall et al. 2024: Ulmus, United States; inputs DBH + Height; DBH 2.54–87.12 cm; 544 trees.
   - [NSVB elm spp., Subtropical Division (230): total stem wood volume (inside bark), Schumacher-Hall model (Eq. 1)](https://treeallometry.org/equations/westfall-2024-ulmus-spp-230-volume/), Westfall et al. 2024: Ulmus, United States; inputs DBH + Height; DBH 2.54–87.12 cm; 490 trees.