FISHERY BULLETIN: VOL. 87, NO. 3, 1989 



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1984 



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1985 



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1986 



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Figure 3.— Median catch per beach seine haul of juvenile 

 chum salmon, from all stations combined (sohd line) and 

 population estimates based on recaptures of marked fish 

 (dashed line). 



Figure 4. — Median catch per seine haul of juvenile 

 chum salmon in the upper (solid line) and lovi-er (dashed 

 line) estuary, and release dates (black triangles). 



*---+ LOWER BAY 

 D UPPER BAY 



560 



