40 T 



40 50 60 70 80 90 100 



SITE INDEX MIDPOINT 



Figure 5 — Distribution of natural regeneration site index values for Inland 

 Northwest forests of the grand fir/cedar/hemlock ecosystem. 



24000 r 



20000 



16000 



12000 



4000 



10 



20 



++#+ 

 + +++ 



+ +4+ 



*++ + + 



+ + + 



_] ■ I ■ I 1 I 



30 



50 60 

 SITE INDEX 



70 



80 



Figure 6 — Natural regeneration yield vs. site index at 120 years of age 

 (total cubic feet). 



100 



no 



7 



