Table 7b.— Logging damage to live understory trees, group selection cutting units treatment 4 



(protect understory) 



D.b.h. class 



0-0.9 inches 1 .0-4.9 inches 5.0-6.9 inches 



Damage (0-2.4 cm) (2.5-1 2.6 cm) (1 2.7-1 7.6 cm) Total 



Number of trees 



Block 12-4 



Serious damage 



10 



80 







90 



Broken, buried 



10 



15 



5 



30 



Cut, missing 



20 



45 



40 



105 



Subtotal 



40 



140 



45 



225 



No damage 



1 60 



1 30 



25 



31 5 



Total - per acre 



200 



270 



70 



540 



(per ha) 



(494) 



(667) 



(173) 



(1 334) 



Percent damaged or 











killed 



20 



52 



64 



42 



lock 22-4 











Serious damage 



220 



85 



10 



315 



Broken, buried 



65 



80 



5 



150 



Cut, missing 



10 



15 



30 



55 



Subtotal 



295 



180 



45 



520 



No damage 



630 



50 



10 



690 



Total - per acre 



925 



230 



55 



1 210 



(per ha) 



(2 285) 



(568) 



(136) 



(2 989) 



Percent damaged or 











killed 



32 



78 



82 



43 



13 



