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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