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Table 3 Parameters of dummy variable allometric model for estimating aboveground biomass of six forest types at both regional scale and ecoregion scale in the subtropical region of China

From: Aboveground biomass estimation at different scales for subtropical forests in China

Forests Ecoregions Dummy variable allometric model (model 2) R 2 RSE F value
CL General exp(− 2.064 + 0.166 + 0.142 + 0.083 − 0.009 + 0.071 + 0.031) × (D2H)0.739 0.947 0.249 631.5***
ER1 exp(− 2.064 + 0.031) × (D2H)0.739    
ER2* exp(− 2.064 + 0.166 + 0.031) × (D2H)0.739    
ER3 exp(− 2.064 + 0.142 + 0.031) × (D2H)0.739    
ER4 exp(− 2.064 + 0.083 + 0.031) × (D2H)0.739    
ER5 exp(− 2.064 − 0.009 + 0.031) × (D2H)0.739    
ER8 exp(− 2.064 + 0.071 + 0.031) × (D2H)0.739    
CMBF General exp(− 1.391 − 0.18 − 0.143 −0.134 − 0.239 + 0.398 + 0.048) × (D2H)0.720 0.920 0.311 134.5***
ER1 exp(− 1.391 + 0.048) × (D2H)0.720    
ER2 exp(− 1.391 − 0.180 + 0.048) × (D2H)0.720    
ER3 exp(− 1.391 − 0.143 + 0.048) × (D2H)0.720    
ER4 exp(− 1.391 − 0.134 + 0.048) × (D2H)0.720    
ER6 exp(− 1.391 − 0.239 + 0.048) × (D2H)0.720    
ER8* exp(− 1.391 + 0.398 + 0.048) × (D2H)0.720    
DBF General exp(− 2.191 − 0.338 + 0.328 − 0.177 + 0.803 + 0.045) × (D2H)0.823 0.940 0.301 106.6***
ER1* exp(− 2.191 + 0.045) × (D2H)0.823    
ER2 exp(− 2.191 − 0.338 + 0.045) × (D2H)0.823    
ER3 exp(− 2.191 + 0.328 + 0.045) × (D2H)0.823    
ER4 exp(− 2.191 − 0.177 + 0.045) × (D2H)0.823    
ER8*** exp(− 2.191 + 0.803 + 0.045) × (D2H)0.823    
EBF General exp(− 1.896 − 0.141 + 0.451 + 0.321 + 0.103 + 0.184 + 0.038) × (D2H)0.785 0.915 0.277 481.8***
ER2 exp(− 1.896 + 0.038) × (D2H)0.785    
ER3* exp(− 1.896 −0.141 + 0.038) × (D2H)0.785    
ER4*** exp(− 1.896 + 0.451 + 0.038) × (D2H)0.785    
ER5*** exp(− 1.896 + 0.321 + 0.038) × (D2H)0.785    
ER7 exp(− 1.896 + 0.103 + 0.038) × (D2H)0.785    
ER8** exp(− 1.896 + 0.184 + 0.038) × (D2H)0.785    
ETS General exp(− 2.495 − 0.015 − 1.918 − 0.221 − 0.232 + 0.028) × (D2H)0.859 0.954 0.237 288.5***
ER2 exp(− 2.495 + 0.028) × (D2H)0.859    
ER3 exp(− 2.495 − 0.015 +0.028) × (D2H)0.859    
ER4*** exp(− 2.495 − 1.918 + 0.028) × (D2H)0.859    
ER7* exp(− 2.248 − 0.221 + 0.028) × (D2H)0.859    
ER8* exp(− 2.248 − 0.232 + 0.028) × (D2H)0.859    
PM General exp(− 2.369 + 0.168 + 0.053 − 0.102 + 0.048 + 0.072 + 0.156 + 0.032) × (D2H)0.821 0.964 0.252 1055.0***
ER1 exp(− 2.369 + 0.032) × (D2H)0.821    
ER2** exp(− 2.369 + 0.168 + 0.032) × (D2H)0.821    
ER3 exp(− 2.369 + 0.053 + 0.032) × (D2H)0.821    
ER4 exp(− 2.369 − 0.102 + 0.032) × (D2H)0.821    
ER5 exp(− 2.369 + 0.048 + 0.032) × (D2H)0.821    
ER6 exp(− 2.369 + 0.072 + 0.032) × (D2H)0.821    
ER8 exp(− 2.369 + 0.156 + 0.032) × (D2H)0.821    
  1. *** Indicates significant at p < 0.001 level; ** indicates significant at p < 0.01 level; * indicates significant at p < 0.05 level. See Table 1 for the abbreviations of the forest types and ecoregions