Table 4 Structural and environmental characteristics of the studied (A) transition old-growth and (B) true old-growth stands

Site

Site 1

Site 2

Site 3

Site 4

Site 5

Site 6

Site 7

Site 8

Site 9

Site 10

Cohort basal area proportion

0

0.54

0.98

0

0.12

0.12

0

0

0.15

0.83

Weibull’s shape parameter

1.26

1.44

2.75

1.38

0.74

1.19

0.69

1.29

1.05

2.67

Min. time since last fire (years)

86

219

206

195

184

193

89

89

218

286

Tree density (n·ha⁻¹)

1100

1250

1275

1875

950

1025

1575

50

450

1325

Sapling density (n·ha⁻¹)

1100

1050

275

2400

1125

1200

3200

4050

1225

650

Basal area (m²·ha⁻¹)

30.63

25.19

35.45

21.75

20.13

14.52

29.73

0.36

5.52

20.57

Maximum height (m)

13.4

20.3

19.4

14.4

19.1

16.2

16.7

7.9

13.9

17.5

Slope (%)

35

8

3

0

10

7

5

0

0

27

Depth of the organic horizon (cm)

12

39

40

16

40

45

13

65

38

25

Site

Site 11

Site 12

Site 13

Site 14

Site 15

Site 16

Site 17

Site 18

Site 19

Site 20

Cohort basal area proportion

0.92

1

0.86

0.75

0.83

0.85

0.92

0.93

0.63

0.65

Weibull’s shape parameter

0.97

0.72

1.14

0.89

0.69

0.76

0.97

0.89

0.9

0.73

Min. time since last fire (years)

189

263

281

256

277

279

283

266

193

238

Tree density (n·ha⁻¹)

975

675

675

500

1125

950

850

700

850

600

Sapling density (n·ha⁻¹)

8550

1750

2150

1800

2525

3650

2800

1175

2250

2750

Basal area (m²·ha⁻¹)

15.18

18.48

6.84

7.1

28.29

12.67

17.68

14.27

16.09

20.7

Maximum height (m)

17.7

22.6

16.9

15.8

21.2

17.8

23.4

19.4

21.5

21.6

Slope (%)

18

19

0

0

18

2

26

5

7

22

Depth of the organic horizon (cm)

45

17

34

20

31

50

43

15

20

14