^/Hatchery St rays 



Supplemented 

 Adults 



Adult Fish 

 Spawning 

 Naturally 



Naturally 





Spawned Eggs 





| normal | 







Presmolts 





| binomial - beta| 





Figure 1 — Flow diagram for naturally produced fish in the 

 Stochastic Life-Cycle Model. Interior boxes denote 

 probability distributions used in each step. 



Figure 2 — Flow diagram for hatchery-produced fish in the 

 Stochastic Life-Cycle Model. Interior boxes denote 

 probability distributions used in each step. 



5 



