Sources / Pan & Wang 2022
Pan & Wang 2022
Additive Root Biomass Equations for Betula platyphylla Suk. Plantations in Northeast China
Pan, L., & Wang, X. (2022). Additive Root Biomass Equations for Betula platyphylla Suk. Plantations in Northeast China. Forests, 13(5), 661.
Checked 2026-11-02. Crossref is asked weekly for retraction or correction notices; none recorded.
6 equations from this source
- Birch total root biomass, additive system (coarse + medium + fine), Heilongjiang site
Root biomass · Betula platyphylla · China · DBH + Height · DBH 3.4–11.9 cm · 493 trees
Y4 = Yt = M ∑ m=1 Ym = f1(X1, B1) + f2(X2, β2) + f3(X3, β3) + ε4As printed (Eq. 7, Section 2.4)
- Birch total root biomass, additive system (coarse + medium + fine), Jilin site
Root biomass · Betula platyphylla · China · DBH + Height · DBH 3.4–11.9 cm · 493 trees
Y4 = Yt = M ∑ m=1 Ym = f1(X1, B1) + f2(X2, β2) + f3(X3, β3) + ε4As printed (Eq. 7, Section 2.4)
- Birch total root biomass, additive system (coarse + medium + fine), Liaoning site
Root biomass · Betula platyphylla · China · DBH + Height · DBH 3.4–11.9 cm · 493 trees
Y4 = Yt = M ∑ m=1 Ym = f1(X1, B1) + f2(X2, β2) + f3(X3, β3) + ε4As printed (Eq. 7, Section 2.4)
- Birch total root biomass, disaggregated model (Eq. 24), Heilongjiang site
Root biomass · Betula platyphylla · China · DBH + Height · DBH 3.4–11.9 cm · 493 trees
ft(D, H; βt) = exp[Bt1 + βt2 ln DBH + βt3 ln HT + βts2S2 + βts3S3]As printed (Eq. 24, Section 3.3)
- Birch total root biomass, disaggregated model (Eq. 24), Jilin site
Root biomass · Betula platyphylla · China · DBH + Height · DBH 3.4–11.9 cm · 493 trees
ft(D, H; βt) = exp[Bt1 + βt2 ln DBH + βt3 ln HT + βts2S2 + βts3S3]As printed (Eq. 24, Section 3.3)
- Birch total root biomass, disaggregated model (Eq. 24), Liaoning site
Root biomass · Betula platyphylla · China · DBH + Height · DBH 3.4–11.9 cm · 493 trees
ft(D, H; βt) = exp[Bt1 + βt2 ln DBH + βt3 ln HT + βts2S2 + βts3S3]As printed (Eq. 24, Section 3.3)