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Table 2 Parameters of allometric models for estimating aboveground biomass of six forests at individual ecoregion scale in the subtropical region of China

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

Forests Ecoregions Allometric models at individual ecoregion scale (model 1) n R 2 RSE F value
CL ER1 exp(− 3.006 + 0.008) × (D 2 H)0.857 14 0.918 0.123 134.9***
ER2 exp(− 2.065 + 0.029) × (D2H)0.762 92 0.946 0.241 1574.6***
ER3 exp(− 1.431 + 0.034) × (D2H)0.669 57 0.925 0.260 679.1***
ER4 exp(− 1.659 + 0.009) × (D2H)0.688 18 0.987 0.138 1203.8***
ER5 exp(− 3.611 + 0.017) × (D2H)0.936 12 0.986 0.184 690.6***
ER8 exp(− 2.067 + 0.033) × (D2H)0.749 26 0.954 0.256 499.8***
CMBF ER1 exp(− 4.280 + 0.011) × (D2H)1.169 7 0.955 0.148 104.8***
ER2 exp(− 1.746 + 0.057) × (D2H)0.744 34 0.889 0.338 255.6***
ER3 exp(− 0.527 +0.044) × (D2H)0.552 7 0.912 0.295 51.5***
ER4 exp(− 0.615 + 0.001) × (D2H)0.590 7 0.978 0.053 222.3***
ER6 exp(− 1.953 + 0.043) × (D2H)0.777 14 0.961 0.294 293.6***
ER8 exp(− 1.391 + 0.048) × (D2H)0.72 8 0.932 0.102 82.2***
DBF ER1 exp(− 2.054 + 0.019) × (D2H)0.803 11 0.975 0.195 305.3***
ER2 exp(− 2.202 + 0.036) × (D2H)0.774 11 0.955 0.270 191.6***
ER3 exp(− 14.935 + 0.106) × (D2H)2.623 5 0.904 0.460 28.2*
ER4 exp(− 4.803 + 0.020) × (D2H)1.120 7 0.961 0.198 122.9***
ER8 exp(− 0.841 + 0.034) × (D2H)0.722 6 0.908 0.262 39.3**
EBF ER2 exp(− 2.909 + 0.054) × (D2H)0.920 55 0.932 0.328 729.7***
ER3 exp(− 0.482 + 0.022) × (D2H)0.592 29 0.901 0.209 245.2***
ER4 exp(− 1.699 + 0.011) × (D2H)0.820 48 0.968 0.149 1372.4***
ER5 exp(− 0.610 + 0.023) × (D2H)0.656 89 0.913 0.216 909.0***
ER7 exp(− 2.067 + 0.004) × (D2H)0.817 28 0.978 0.086 1168.7***
ER8 exp(− 2.761 + 0.068) × (D2H)0.911 28 0.885 0.368 200.8***
ETS ER2 exp(− 1.305 + 0.000) × (D2H)0.687 9 0.999 0.017 5074.8***
ER3 exp(− 5.646 + 0.029) × (D2H)1.245 12 0.900 0.240 90.0***
ER4 exp(− 3.615 + 0.001) × (D2H)0.859 6 0.979 0.044 184.0***
ER7 exp(− 1.352 + 0.021) × (D2H)0.631 8 0.924 0.204 73.3***
ER8 exp(− 3.062 + 0.026) × (D2H)0.905 41 0.904 0.230 368.8***
PM ER1 exp(− 2.515 + 0.020) × (D2H)0.843 23 0.948 0.201 379.7***
ER2 exp(− 2.071 + 0.040) × (D2H)0.804 53 0.960 0.283 1214.7***
ER3 exp(− 2.176 + 0.036) × (D2H)0.798 75 0.970 0.217 2374.4***
ER4 exp(− 2.589 + 0.037) × (D2H)0.839 75 0.942 0.271 1181.8***
ER5 exp(− 3.448 + 0.011) × (D2H)0.973 20 0.986 0.146 1301.2***
ER6 exp(− 2.366 + 0.018) × (D2H)0.831 25 0.979 0.187 1058.0***
ER8 exp(− 2.030 + 0.081) × (D2H)0.797 12 0.935 0.403 143.1***
  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