o 



a. 



I 



< 

 > 



> 



ID 

 CO 



100 r 



90 

 80 

 70 

 60 

 



i 



Y = 68. 55 + 27. 3611 e 



^y.x= 4.70 

 R'= 0.70 



100 



• 



• 



• 



TRANSPLANT 



(100- X) 

 100 ^ 



90 



• 





Y = 59. 27 + 28. 0291 e 



0. 650 



80 



• 



• • 





s y X = 7. 48 

 ^■V^,^ R'=0.32 





70 











60 













1 1 



1 J 



1 1 1 1 



L_J 







>10 20 30 40 50 60 70 80 90 100 

 PERCENT OF SCALPS WITH PERENNIAL- COMPETING VEGETATION 



Figure 5 . --Sixth-year survival of bitterbrush seedlings and transplants (southwestern Idaho 

 seed source) in relation to percentage of scalps with perennial competing vegetation. 



10 



