108 



»ble 2. Benefit ratio, final instantaneous rate of population 

 change (ji e ) and expected adult abundance (five-year 

 running average) required to meet stability objective 

 with specified level of confidence. 



Run 



Confidence Spr/Sum Fall 

 (%) Chinook Chinook 



Benefit Ratio in 2004-2008 99 23.0 3.0 



95 10.4 6.0 



90 6.8 5.1 



80 4.1 4.2 



70 2.8 3.6 



60 2.1 3.2 



50 1.5 2.9 



Final Rate of Change i/i ? ) 99 0.222 J . ill 



95 0.160 0.087 



90 0.127 0.074 



80 0.087 0.058 



70 0.058 0.046 



60 0.033 0.037 



50 0.010 0.028 



Expected Adult Abundance in 



2004-2008 99 30,690 802 



95 13,894 594 



90 9,106 511 



80 5,459 418 



70 3,775 363 



60 2,755 323 



50 2,052 288 



19 



