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Table I

Summary of tree attributes for balsam fir, red spruce, and white pine.

Balsam fir Red spruce White pine



D (cm) H (m) HCB (cm) D (cm) H (m) HCB (cm) D (cm) H (m) HCB (cm)
Mean 14.9 13.4 6.9 15.1 12.9 7.5 30.1 20.2 10.5
Max 39.8 25.2 14.8 42.8 23.5 15.6 83.4 37.2 27.0
Min 4.8 6.4 0.3 4.4 5.9 0.2 5.7 6.1 0.9
Std. 5.7 3.3 2.6 6.2 3.2 2.6 13.9 6.6 4.7

D: Diameter outside bark at breast height. H: Total tree height. HCB: Height to live crown base.