Xu et al. 2015

6 equations from this source

• Subtropical China AGB from D and wood density (Model I.4)

  Aboveground biomass · 41 subtropical forest tree species (Fagus lucida, Castanea seguinii, Carpinus viminea and others) · China · DBH + Wood density · 147 trees

  AGB = exp(−1.8226 + 2.4105ln(D) + 0.5781ln(WD))

  As printed (Recommended model when height is not available, p. 7 (Table 2, model I.4))

• Subtropical China AGB from D, H and wood density (Model I.1)

  Aboveground biomass · 41 subtropical forest tree species (Fagus lucida, Castanea seguinii, Carpinus viminea and others) · China · DBH + Height + Wood density · 147 trees

  AGB = exp(−2.334 + 2.118ln(D) + 0.5436ln(H) + 0.5953ln(WD))

  As printed (Recommended model when height is available, p. 7 (Table 2, model I.1))

• Subtropical China AGB from D²H (Model III.1)

  Aboveground biomass · 41 subtropical forest tree species (Fagus lucida, Castanea seguinii, Carpinus viminea and others) · China · DBH + Height · 147 trees

  III.1 ln(AGB) = a + bln(D²H) −3.062 0.949

  As printed (Table 2, model III.1)

• Subtropical China AGB from D²H and wood density (Model I.2)

  Aboveground biomass · 41 subtropical forest tree species (Fagus lucida, Castanea seguinii, Carpinus viminea and others) · China · DBH + Height + Wood density · 147 trees

  I.2 ln(AGB) = a + bln(D²H) + cln(WD) −2.672 0.944 0.615

  As printed (Table 2, model I.2)

• Subtropical China AGB from D²H x wood density (Model I.3)

  Aboveground biomass · 41 subtropical forest tree species (Fagus lucida, Castanea seguinii, Carpinus viminea and others) · China · DBH + Height + Wood density · 147 trees

  I.3 ln(AGB) = a + bln(D²H × WD) −2.456 0.939

  As printed (Table 2, model I.3)

• Subtropical China root biomass from D

  Root biomass · 8 subtropical forest tree species (23 root systems) · China · DBH · 23 trees

  BGB = exp(−2.80346 + 2.0441ln(D))

  As printed (BGB models with diameter, p. 8)