/ Shelterwood 

 ' Logged 



/ 



/ 



/ 121 



5 10 15 20 



TIME SINCE LOGGING (Years) 



Figure 7. — Regeneration trends on the Tamarack Hill shelterwood blocks — cull trees 

 felled after logging and residual western white -pine removed in 1952. 

 Numbers on the points of curves designate numbers of seedlings per acre. 



10 



