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Table 2 Height, diameter at breast height (DBH), and stand structure of destructively sampled trees and from 7.32 m radius plots measured around each tree and total and component biomass of the destructively sampled trees

From: Variability and uncertainty in forest biomass estimates from the tree to landscape scale: the role of allometric equations

 

Species

Mean

Standard deviation

Min

Max

DBH (cm)

PSME

24.9

15.4

2.4

46.6

PICO

16.3

8.0

2.5

29.9

PIPO

34.0

18.5

4.9

61.8

Height (m)

PSME

12.7

5.3

3.2

19.7

PICO

12.2

6.5

3.2

21.1

PIPO

11.3

4.3

3.0

16.8

Tree density (trees ha−1)

PSME

386

176

119

535

PICO

921

414

238

2139

PIPO

172

162

0

416

Basal area (m2 ha−1)

PSME

15.6

6.5

7.2

30.3

PICO

18.6

14.9

0.5

44.9

PIPO

13.4

10.4

0

29.7

Average plot DBH (cm)

PSME

21.2

7.4

12.2

35.9

PICO

15.3

7.2

4.9

27.0

PIPO

26.6

17.6

0.0

65.0

Total biomassa (kg)

PSME

286.3

290.1

3.2

809.1

PICO

117.6

114.7

1.7

358.4

PIPO

710.4

751.7

5.7

2188.1

Stem wood biomassb (kg)

PSME

152.6

166.1

0

434.2

PICO

72.1

83.5

0

247.2

PIPO

270.4

268.1

0

738.5

Stem bark biomass (kg)

PSME

33.1

31.3

0

81.8

PICO

5.3

5.6

0

15.8

PIPO

35.5

32.3

0

89.7

Foliage biomass (kg)

PSME

28.2

25.4

1.2

72.1

PICO

10.2

7.3

0.8

24.1

PIPO

49.2

49.9

1.5

153.9

Branch biomass (kg)

PSME

72.4

70.5

2.0

220.9

PICO

30.1

23.7

0.9

82.0

PIPO

355.3

410.8

4.2

1206.0

  1. PSME Douglas fir (Pseudotsuga menziesii; n = 10), PICO lodgepole pine (Pinus contorta; n = 20), PIPO ponderosa pine (P. ponderosa; n = 10)
  2. aIncludes foliage
  3. bStem wood does not include bark