le 



.; 1.0 2.0 3.0 -4.0 ;.0 6.0 7.0 8.0 9.0 10.0 11.01 2.0 1 J. OU.C 1 5.0 



YEARS 



Figure 3. Modified age structure of bison harvested in 1988- 

 89 (including unknown sex animals). 



p 



E 



R 

 C 

 E 

 N 

 T 

 A 



G 

 E 



25 



20 



15 



10 



1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.010.011.012.013.014.015.0 



YEARS 



Figure 4. Modified age structure of bison harvested in 1988- 

 89 by sex. 



