Table 3 Model comparison of MOE_b,stat modelled through tree-only, log-only, and tree- and log-related variables (AWV acoustic wave velocity, ρ_b basic density of trees or logs, DBH diameter at breast height)

 (1)

AWV_tree

5

1135.3

1153.5

− 562.7

 (2)

AWV_tree + ρ_{b tree}

6

1133.1

1154.7

− 560.6

*

 (3)

AWV_tree + ρ_{b tree} + DBH

7

1135.1

1160.2

−560.5

0.84

 (4)

AWV_log

5

1109.5

1127.4

− 549.73

 (5)

AWV_log + ρ_{b log}

6

1111.3

1132.8

−549.64

0.67

 (6)

AWV_log + ρ_{b log} + taper

7

1111.3

1138.4

− 549.61

0.83

 (1)

AWV_tree

5

1135.3

1153.5

−562.7

 (7)

AWV_tree + position

7

1121.9

1147

− 553.9

***

 (8)

AWV_tree + position + AWV_log

8

1114.3

1143

−549.1

**