1000 
900 
oO 
Oo 
rm 
on 
NUMBER OF INDIVIDUALS 
5 
~——AGE INTERVALS—— 

0-1 2 2308-445 
Figure l.-Calculated changes in a theoretical population subject to 3 
mortality factors which occur in the same order and at the 
same rate each year. 
a* 
b 
—- number of individuals alive at the start of each year 
-- 10% mortality occurring before hunting season (disease, 
etc. ) 
-- the number shot each year (60%) 
-- 15% mortality (disease, etc.) occurring after hunting 
season 
