Species / Betulaceae
Betula occidentalis
15 equations apply to this species, 1 fitted on it directly. Each output lists them most specific first: fitted on this species, then on a variety of it, then pooled fits that included it, then its genus and its family. Within each step, equations the authors advised against go last, then those read from compilations; more trees come first.
Wood density 0.54 g/cm³, estimated from 1 sample in 1 study by the Global Wood Density Database v.2 (Fischer et al. 2026, CC BY 4.0).
© Jim Morefield · CC BY · iNaturalistAboveground biomass
Fitted on the genus Betula · 86 trees across all species · DBH 1–11 cm · Read from the original paper
- Birch aboveground biomass, young dense stands, N Sweden (Table 5)DBH + HeightSweden86 trees
Fitted on the genus Betula · 127 trees across all species · DBH 2.5–38 cm · Read from the original paper
- Birch total above-ground biomass excluding foliage, Model 1a (Eq. 11)DBH + HeightFinland127 treeswithout leaves
Fitted on the genus Betula · 38 trees across all species · DBH 2.54–46.99 cm · Read from the original paper
- NSVB birch spp., species-level (all ecodivisions): total aboveground biomass (without foliage), Schumacher-Hall model (Eq. 1)DBH + HeightUnited States38 treeswithout leaves
Stem biomass
Fitted on the genus Betula · 86 trees across all species · DBH 1–11 cm · Read from the original paper
- Birch stem biomass, young dense stands, N Sweden (Table 5)DBH + HeightSweden86 trees
Branch biomass
Fitted on the genus Betula · 86 trees across all species · DBH 1–11 cm · Read from the original paper
- Birch living branch biomass, young dense stands, N Sweden (Table 5)DBH + HeightSweden86 trees
Fitted on the genus Betula · 38 trees across all species · DBH 2.54–46.99 cm · Read from the original paper
- NSVB birch spp., species-level (all ecodivisions): branch biomass (wood and bark), Schumacher-Hall model (Eq. 1)DBH + HeightUnited States38 trees
Foliage biomass
Fitted on the genus Betula · 38 trees across all species · DBH 2.54–46.99 cm · Read from the original paper
- NSVB birch spp., species-level (all ecodivisions): foliage biomass, Schumacher-Hall model (Eq. 1)DBH + HeightUnited States38 trees
Fitted on the genus Betula · Number of trees not stated · Read from the original paper
Stem volume
Fitted on this species · 8 trees · DBH 13.46–39.88 cm · Read from the original paper
- NSVB water birch, species-level (all ecodivisions): total stem wood volume (inside bark), Schumacher-Hall model (Eq. 1)DBH + HeightUnited States8 trees
Fitted on the genus Betula · 144–394 trees across all species · DBH 2.54–88.39 cm · Read from the original paper
- NSVB birch spp., species-level (all ecodivisions): total stem wood volume (inside bark), segmented model (Eq. 2), D ≥ 11 in (27.94 cm)DBH + HeightUnited States394 trees
- NSVB birch spp., species-level (all ecodivisions): total stem wood volume (inside bark), segmented model (Eq. 2), D < 11 in (27.94 cm)DBH + HeightUnited States394 trees
- NSVB birch spp., Hot Continental Regime Mountains (M220): total stem wood volume (inside bark), segmented model (Eq. 2), D ≥ 11 in (27.94 cm)DBH + HeightUnited States236 trees
- NSVB birch spp., Hot Continental Regime Mountains (M220): total stem wood volume (inside bark), segmented model (Eq. 2), D < 11 in (27.94 cm)DBH + HeightUnited States236 trees
- NSVB birch spp., Subtropical Division (230): total stem wood volume (inside bark), segmented model (Eq. 2), D ≥ 11 in (27.94 cm)DBH + HeightUnited States144 trees
- NSVB birch spp., Subtropical Division (230): total stem wood volume (inside bark), segmented model (Eq. 2), D < 11 in (27.94 cm)DBH + HeightUnited States144 trees