Quercus phellos

Fitted on this species · 99 trees · DBH 2.54–93.98 cm · Read from the original paper

• NSVB willow oak, species-level (all ecodivisions): total aboveground biomass (without foliage), Schumacher-Hall model (Eq. 1)DBH + Height·United States·99 treeswithout leaves

Fitted on 6 other Quercus species, not this one · 165 trees across all species · DBH 4.8–48.6 cm · Read from the original paper

• Six Guanajuato oaks pooled, total aboveground biomass fitted directly (model 3)DBH + Height·Mexico·165 trees
• Six Guanajuato oaks pooled, total aboveground biomass fitted directly (model 4)Wood density + DBH + Height·Mexico·165 trees
• Six Guanajuato oaks pooled, system 1 (D and H): total aboveground biomass (sum of components)DBH + Height·Mexico·165 trees

Fitted on 2 other Quercus species, not this one · 159 trees across all species · DBH 1.5–33 cm · Read from the original paper

• Oak aboveground biomass from D, additive system 1 (Table 4)DBH·China·159 trees

Fitted on the genus Quercus · 157 trees across all species · DBH 3.5–38.9 cm · Read from the original paper

• Oak aboveground biomass (compatible total-biomass system)DBH + Height·China·157 trees

  Not fully checked: Our November 2026 recheck couldn't get a readable copy of this paper, so the equation rests on a single reading. Compare it with the paper before relying on it.

Fitted on the genus Quercus · Number of trees not stated · Read from the original paper

• Quercus total aboveground biomassDBH + Height·Mexico

Fitted on the genus Quercus · 157 trees across all species · DBH 3.5–38.9 cm · Read from the original paper

• Oak total tree biomass (compatible total-biomass system)DBH + Height·China·157 trees

  Not fully checked: Our November 2026 recheck couldn't get a readable copy of this paper, so the equation rests on a single reading. Compare it with the paper before relying on it.

Fitted on 6 other Quercus species, not this one · 165 trees across all species · DBH 4.8–48.6 cm · Read from the original paper

• Six Guanajuato oaks pooled, system 1 (D and H): stem biomassDBH + Height·Mexico·165 trees
• Six Guanajuato oaks pooled, system 2 (wood density, D and H): stem biomassWood density + DBH + Height·Mexico·165 trees

Fitted on this species · 99 trees · DBH 2.54–93.98 cm · Read from the original paper

• NSVB willow oak, species-level (all ecodivisions): branch biomass (wood and bark), Schumacher-Hall model (Eq. 1)DBH + Height·United States·99 trees

Fitted on 6 other Quercus species, not this one · 165 trees across all species · DBH 4.8–48.6 cm · Read from the original paper

• Six Guanajuato oaks pooled, system 1 (D and H): branch biomassDBH + Height·Mexico·165 trees
• Six Guanajuato oaks pooled, system 2 (wood density, D and H): branch biomassWood density + DBH + Height·Mexico·165 trees

Fitted on 2 other Quercus species, not this one · 159 trees across all species · DBH 1.5–33 cm · Read from the original paper

• Oak branch biomass from D, additive system 1 (Table 4)DBH·China·159 trees
• Oak branch biomass from D and crown width, additive system 2 (Table 4)DBH + Crown diameter·China·159 trees

Fitted on the genus Quercus · Number of trees not stated · Read from the original paper

• Quercus branch biomass (wood and bark)DBH + Height·Mexico

Fitted on this species · 91 trees · DBH 2.54–93.98 cm · Read from the original paper

• NSVB willow oak, species-level (all ecodivisions): foliage biomass, Schumacher-Hall model (Eq. 1)DBH + Height·United States·91 trees

Fitted on 6 other Quercus species, not this one · 165 trees across all species · DBH 4.8–48.6 cm · Read from the original paper

• Six Guanajuato oaks pooled, system 1 (D and H): foliage biomassDBH·Mexico·165 trees

Fitted on 2 other Quercus species, not this one · 159 trees across all species · DBH 1.5–33 cm · Read from the original paper

• Oak foliage biomass from D, additive system 1 (Table 4)DBH·China·159 trees
• Oak foliage biomass from D and crown width, additive system 2 (Table 4)DBH + Crown diameter·China·159 trees

Fitted on the genus Quercus · 22 trees across all species · DBH 2.54–28.7 cm · Read from the original paper

• NSVB oak spp., species-level (all ecodivisions): foliage biomass, Schumacher-Hall model (Eq. 1)DBH + Height·United States·22 trees

Fitted on the genus Quercus · Number of trees not stated · Read from the original paper

• Quercus foliage biomassDBH·Mexico

Fitted on 2 other Quercus species, not this one · 53 trees across all species · DBH 1.5–32.8 cm · Read from the original paper

• Oak root biomass from D (Table 3)DBH·China·53 trees

Fitted on the genus Quercus · 50 trees across all species · Read from the original paper

• Oak root biomass (compatible total-biomass system)DBH + Height·China·50 trees

  Not fully checked: Our November 2026 recheck couldn't get a readable copy of this paper, so the equation rests on a single reading. Compare it with the paper before relying on it.

Fitted on 2 other Quercus species, not this one · 39 trees across all species · DBH 7.4–42 cm · Read from the original paper

• Quercus robur and Q. petraea, Germany, belowground biomass from DBH (Eq. 4, Tab. 1)DBH·Germany·39 trees

Fitted on this species · 413–426 trees · DBH 2.54–96.27 cm · Read from the original paper

• NSVB willow oak, species-level (all ecodivisions): total stem wood volume (inside bark), Schumacher-Hall model (Eq. 1)DBH + Height·United States·426 trees
• NSVB willow oak, Subtropical Division (230): total stem wood volume (inside bark), Schumacher-Hall model (Eq. 1)DBH + Height·United States·413 trees

Fitted on the genus Quercus · 651 trees across all species · DBH 2.54–44.2 cm · Read from the original paper

• NSVB oak spp., species-level (all ecodivisions): total stem wood volume (inside bark), continuously variable model (Eq. 3)DBH + Height·United States·651 trees