HENRY: FALL CHINOOK SALMON 



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Figure 14. — Calculated total yield diagrams (in kilograms per 1,000 recruits) for the 1961 brood Kalama hatchery 

 fall chinook salmon with constant natural mortality (M = 0.24), varying ocean troll fishing mortality rates (F3, F^, 

 and F5) , and the proportion spawning and river fishing intensity remaining constant. Yields are shown by 100- 

 kilogram plane intervals. 



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