Forest type Range_DBH Equation a b c r2
Karst monsoon forest 1.0~5.0 Br=a*Db 0.041 2.156 - 0.921
Bs=a*Db 0.099 2.469 - 0.958
Bbark=a*Db 0.016 2.123 - 0.927
Bb=a*Db 0.037 2.315 - 0.838
Bl=a*Db 0.028 1.961 - 0.734
5.0~20.0 Br=a*Db 0.028 2.469 - 0.927
Bs=a*Db 0.119 2.331 0.898
Bb=a*Db 0.015 2.733 0.820
Bl=a*Db 0.043 2.469 0.805
20.0~88.4 Br=a*Db 0.039 2.375 - 0.967
Bs=a*D+c 0.132 - -157.388 0.977
Bb=a*D+c 9.116 - -0.174 0.971
Bl=a*Db 0.422 2.370 - 0.950
Secondary forest 1.0~5.0 Br=a*Db 0.055 1.894 - 0.796
Bs=a*Db 0.064 2.406 - 0.899
Bbark=a*Db 0.017 1.984 - 0.874
Bb=a*Db 0.025 2.149 - 0.647
Bl=a*Db 0.021 1.643 - 0.606
>2.0 Br=a*D2*Hb 0.037 0.775 - 0.890
Bs=a*D2*Hb 0.017 0.805 - 0.973
Bb=a*D2*Hb 0.019 0.876 - 0.841
Bl=a*D2*Hb 0.009 0.755 - 0.778
Monsoon rainforest/ monsoon evergreen broad-leaf forest 3.0~20.0 Br=a*D2*H2+b*D2*H+c 3×10-7 0.004 1.116 0.853
Wr=a*D2*H2+b*D2*H+c -7×10-7 0.023 -0.123 0.947
Wr=a*D2*H2+b*D2*H+c 2×10-6 -0.002 2.491 0.706
Wl=a*D2*Hb 0.010 0.725 - 0.655
18.0~90.0 Wr= a*D2*Hb 0.006 0.984 - 0.979
Ws= a*D2*Hb 0.036 0.941 - 0.984
Wb= a*D2*Hb 0.206 0.632 - 0.896
Wl= a*D2*Hb 0.107 0.467 - 0.962