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Table 2 Mean ± standard deviation of wood characteristics in uneven- and even-aged plots for both unmanaged and managed stands. The statistical differences between treatments are reported in Table 3

From: Wood properties of black spruce (Picea mariana (Mill.) BSP) in relation to ring width and tree height in even- and uneven-aged boreal stands

  

Unmanaged

Managed

Wood characteristic

 

Uneven-aged

Even-aged

Uneven-aged

Even-aged

Wood density (kg m−3)

Ring

451.5 ± 30.9

459.3 ± 49.8

430.3 ± 34.0

445.8 ± 34.4

Earlywood

402.5 ± 36.7

402.1 ± 36.6

374.1 ± 25.6

382.3 ± 26.7

Latewood

621.1 ± 101.4

610.0 ± 123.1

575.6 ± 76.3

639.3 ± 76.3

Maximum

664.9 ± 116.7

660.5 ± 148.4

632.3 ± 98.4

703.0 ± 97.3

Latewood (%)

Ring

31.3 ± 11.5

34.4 ± 12.9

33.1 ± 80.0

29.0 ± 10.3

Width (mm)

Ring

0.51 ± 0.28

0.52 ± 0.27

0.65 ± 0.43

0.80 ± 0.38

Latewood

0.14 ± 0.05

0.16 ± 0.06

0.19 ± 0.09

0.20 ± 0.07

Lumen area (um2)

Earlywood

475.3 ± 86.7

551.0 ± 114.5

416.5 ± 63.9

600.3 ± 72.2

Latewood

83.2 ± 20.9

92.5 ± 19.5

86.0 ± 24.1

109.1 ± 20.8

Wall thickness (um)

Earlywood

2.33 ± 0.31

2.22 ± 0.30

2.19 ± 0.28

2.30 ± 0.21

Latewood

4.02 ± 0.34

3.71 ± 067

4.03 ± 0.46

4.13 ± 0.50

Tracheid length (mm)

Ring

2.75 ± 0.30

2.99 ± 0.29

2.36 ± 0.29

2.93 ± 0.28