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Table 1 Summary characteristics of six forests and eight ecoregions in the subtropical region of China

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

Forest types

N

n

D2H

AGB (kg)

Min

Max

Mean

Min

Max

Mean

Cunninghamia lanceolata forest (CL)

6

219

16.97

23,469.40

2878.59

1.25

358.95

49.86

Coniferous mixed broadleaf forest (CMBF)

6

77

20.39

9973.85

1587.48

1.35

156.32

42.84

Deciduous broadleaf forest (DBF)

5

40

50.69

9481.50

2157.55

2.76

240.26

59.28

Evergreen broadleaf forest (EBF)

6

277

80.69

42,360.52

4492.07

3.85

719.51

121.74

Eucalyptus tree species forest (ETS)

5

76

84.24

6149.86

1882.65

2.25

201.05

46.72

Pinus massoniana forest (PM)

7

283

16.25

19,822.5

2297.85

1.01

388.74

53.75

Ecoregions

M

n

MAT (°C)

MAP (mm)

Min

Max

Mean

Min

Max

Mean

Yangtze river delta ecological zone (ER1)

4

55

5.3

17.2

14.0

491

1381

907

Evergreen broadleaf forest ecological zone in the mountains of Zhejiang and Fujian provinces (ER2)

6

254

11.6

20.4

16.5

1022

1653

1342

Ecological zone in Jiangnan and Nanling mountains and hill (ER3)

6

185

13.0

20.7

16.9

1069

1626

1385

Evergreen broadleaf forest ecological zone in the mountains of the west Hunan, Guizhou and Hubei provinces (ER4)

6

161

7.4

17.7

14.8

798

1356

1073

Karst evergreen broadleaf forest and agricultural ecological zone in Guizhou and Guangxi provinces (ER5)

3

121

10.1

21.1

16.9

887

1493

1254

Ecological zone of Sichuan Basin (ER6)

2

39

7.3

18.1

15.4

677

1232

911

Ecological zone on Yunnan Plateau (ER7)

2

36

− 8.3

19.6

12.5

618

1129

831

South humid subtropical ecological zone (ER8)

6

121

6.9

22.9

19.1

833

1770

1252

  1. Abbreviations in the brackets indicated each forest type and individual ecoregion, respectively in the subtropical region of China. Climate data, including mean annual temperature (MAT) and mean annual precipitation (MAP) was obtained from the National Climate Center (http://ncc.cma.gov.cn/cn/)
  2. N number of forest distributed ecoregions, n number of sampling plots, M number of forest types