White spruce

Trembling aspen

Height (Ht)

Elevation (F = 7.39; P < .001; R² = 0.19)

Ht = 17.3 − .011^* Elevation

Slope (F = 4.62; P = .037; R² = 0.12)

Ht = 8.5 − 0.056^* slope

Age (F = 26.05; P < .0001; R² = 0.21)

Ht = 3.44 + 0.043^* age

Elevation (F = 2.64; P = .02)

Ht = 829.34 − 3.74^* Elevation

Mean annual precipitation (F = 65; P < .01)

Aspect^* (F = 3.75; P < .05)

Soil texture^* (F = 2.71; P < .001)

Diameter (Dia)

Elevation (F = 3.67; P = 0.046; R² = 0.13)

Dia = 1.27 − 0.0081^* elevation

Stand density (F = 26.6; P < .001; R² = 0.29)

Dia = 8.36 + .004^* stand density

Age (F = 11.4; P < .001; R² = 0.18)

Dia = 7.3 + 0.41^* age

Soil texture (F = 2.41; P < .001; R² = 0.26)

Diameter = 0.965 + 0.03^* SA

Mean annual precipitation (MAP)

(F = 5.7; P < .01; R² = 0.22)

Diameter = 16.68 − 0.64^* MAP

Basal area (BA)

Elevation (F = 3.13; P < .05; R² = 0.17)

BA = 1.28 − .0081^* elevation

Slope (F = 5.38; P = .03; R² = 0.14)

BA = −0.707 + .0076^* slope

Number of days > 5˚C (F =3.35; P = .042; R² = 0.23)

BA = −0.47 + 0.0028^* DD5

Age (F = 5.8 P = < .05; R² = 0.31)

BA = 3.88 + 0.113^* age

Disturbance type^* (F = 10.48; P < .001)

Aspect^* (F = 4.21; P < .05)

Soil texture^* (F = 3.83; P < .05)