Table 2 Structural attributes and composition of trees (defined by a DBH ≥ 19 cm) in the studied strips. “Sel”: selection cutting, “OG”: unmanaged old-growth forests

Tree density (n·ha⁻¹)

210

152

208

162

Tree basal area (m²·ha⁻¹)

22.4

14.3

20.6

19.6

Sugar maple tree frequency (%)

73.3

65.8

86.5

64.2

American beech tree frequency (%)

24.8

28.9

5.7

28.4

Other tree species frequency (%)

1.9

5.3

7.7

7.4

Sugar maple basal area frequency (%)

84.9

78.2

85.9

74.1

American beech basal area frequency (%)

13.5

19.3

2.9

15.1

Other species basal area frequency (%)

1.6

2.5

11.1

10.8

Senescent tree density (n·ha⁻¹)

30

32

14

36

Senescent tree basal area (m²·ha^− 1)

3.1

2.3

0.4

2.3

Snag density (n·ha⁻¹)

24

20

36

34

Snag basal area (m²·ha⁻¹)

3.9

2.5

5.4

5.0

Tree mean DBH (cm)

34.7

32.9

33.2

36.4

Snag mean DBH (cm)

44.7

38.4

42.3

41.9