Tree Organ Model R2
Populus × beijingensis Stem \(W_{s}=0.1790{(D^{2}H)}^{1.8444}\) 0.96
Branch \(W_{b}=0.0331({D^{2}H)}^{2.1165}\) 0.91
Leaf \(W_{l}=0.02263{(D^{2}H)}^{1.5552}\) 0.89
Root \(W_{r}=0.02745{(D^{2}H)}^{1.7670}\) 0.95
Pinus sylvestris var. mongolica Stem \(W_{s}=0.06823({D^{2}H)}^{2.1067}\) 0.95
Branch \(W_{b}=0.0093({D^{2}h)}^{2.1443}\) 0.94
Leaf \(W_{l}=0.0524{(D^{2}H)}^{1.2486}\) 0.92
Root \(W_{r}=0.0183({D^{2}H)}^{2.2119}\) 0.84
Ulmus pumila Stem \(W_{s}=0.02997{(D^{2}H)}^{1.0531}\) 0.81
Branch \(W_{b}=0.008534({D^{2}H)}^{2.4337}\) 0.91
Leaf \(W_{l}=0.003371{(D^{2}H)}^{2.1687}\) 0.85
Root \(W_{r}=0.0379{(D^{2}H)}^{2.4946}\) 0.93