51 



Snake River Fall Chinook 



6000 



5000- 



E 



2 4000 



2 3000- 



^ 2000- 



1000- 



200 



400 600 800 



Natural Adult Spawners LGD 



1000 1200 



Snake River Fall Chinook 



6000 



200 



400 600 800 



Ail Adult Spawners LGD 



1200 



Figure 12. 



Estimated total returns in adult equivalents versus parent 

 year spawners for escapement of natural (A) and all (B) 

 adult Chinook salmon spawners past Lower Granite Dam. 



