U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications

NOAA-NMFS-NWFSC TM-35: Chinook Status Review

Figure 14. Percentage passage (shaded area) of emigrating juvenile chinook salmon and their corresponding length (mm) for spring, fall, late-fall, and winter runs on the Sacramento River. Downstream migrants were sampled at Red Bluff Diversion Dam (RKm 391) and assigned to specific run designations based on growth models for each run timing (Gard 1995). Summer high-water temperatures in the lower Sacramento River create a thermal block to down stream migration.


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