Skip to main content

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