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Official Journal of the Japan Wood Research Society

Table 1 Wood shrinkage and wood density in relation to initial stand density

From: Wood density and wood shrinkage in relation to initial spacing and tree growth in black spruce (Picea mariana)

Stand density (trees/ha)

Number of specimens

Wood shrinkage (%)

WD (kg/m3)

RS

TS

LS

VS

1372

200

3.53 (0.70)

5.84 (1.02)

0.29 (0.17)

9.44 (1.35)

365 (63)

2066

153

3.76 (0.63)

5.92 (0.98)

0.25 (0.11)

9.71 (1.25)

372 (68)

2500

179

3.81 (0.60)

5.82 (0.96)

0.25 (0.16)

9.70 (1.38)

375 (69)

3086

158

3.82 (0.73)

6.04 (0.97)

0.23 (0.11)

9.85 (1.38)

375 (71)

Combined

690

3.72 (0.68)

5.90 (0.93)

0.26 (0.14)

9.66 (1.34)

372 (67)

  1. RS radial shrinkage, TS tangential shrinkage, LS longitudinal shrinkage, VS volumetric shrinkage, WD basic wood density
  2. Values in the parentheses are the standard deviations