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Table 2 Total biomass and tree components dendrometry variables of Acacia species (n = 54)

From: Allometric equations for selected Acacia species (Vachellia and Senegalia genera) of Ethiopia

Variables

Senegalia polyanatha

Vachellia  seyal

Vachellia  etbaica

Vachellia  tortilis

Mean

Max

Min

Mean

Max

Min

Mean

Max

Min

mean

Max

Min

Dry section

2796 ± 184

4648

1575

2102 ± 172

3780

1000

2084 ± 152

3480

1250

2321 ± 157

5000

482

USB

7 ± 0.5

11

4

7 ± 0.7

10

3

2.6 ± 0.5

4

1

3 ± 0.5

6

1

TSB

1 ± 0.01

2.3

0.3

1 ± 0.01

1.19

0.07

1.1 ± 0.02

1.8

0.5

0.8 ± 0.07

1.4

0.5

Leave

0.09 ± 0.02

0.83

0.02

0.13 ± 0.02

0.23

0.07

0.15 ± 0.02

0.12

0.02

0.4 ± 0.02

0. 78

0.12

DBH

101 ± 5.6

155

14

76 ± 3.5

130

11

87 ± 4.05

91

12

77 ± 4.5

143

12

H

13 ± 1.3

22

7

8 ± 1

20

6

11 ± 1.6

19

8

10 ± 1

17

8

Volume

8 ± 0.7

16

4.5

5 ± 0.8

7

3.5

6 ± 1.2

8

3.5

6 ± 0.8

10

4

ρ (g/cm3)

0.36 ± 0.02

0.5

0.2

0.45 ± 0.03

0.63

0.25

0.38 ± 0.03

0.6

0.18

0.36 ± 0.04

0.58

0.12

AGB

2804

4649

1584

2087

3483

1252

2643

4649

1252

2711

4649

1252

  1. Dry section: Stem and large untrimmed branch (diameter > 20 cm); USB: Untrimmed small branch ((diameter 10–20 cm); TSB: Trimmed small branch (diameter < 10 cm); DBH: Diameter breast height; H: Height; volume: Volume of dry section (stem and untrimmed large branch); AGB: Total above-ground biomass and \(\rho\): Wood density