^ O- 



H EIGHT (ft.) 



70 r 



60 



50 



66 44 22 



J ROAD 



22 44 66 



-« o ff- 



DIAMETER (ia) 



66' 44 22' 



ABOVE 



12 



10 



8 



J ROAD 



t 



22! 44' 



BELOW 



T 



66' 



Figure 2. — Effect of road on heights and diameters of dominant and codominant 

 trees. (Each point is the average value for pooled data from 6 plots. 

 Vertical lines represent the 95 percent confidence interval.) 



4 



