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Ecology and salmon related articles

Upper Salmon River Chinook
Update - 7/1/2026

by Idaho Fish & Game
EIN News, July 1, 2026

Conversion (survival) from Bonneville to Lower Granite Dam (77%)
is right in line with the 5-year average conversion rate (78%).

Graphic:  Returns of adult Steelhead, Chinook Salmon and Sockeye Salmon to the highest dam on the Lower Snake River. (1962-2022) Here's the latest update for the upper Salmon River Chinook fishery, with the most recent numbers through Sunday June 28, 2026.

Through the first two weeks of the fishery, we estimate:

RUN TIMING and HARVEST SHARE UPDATE

We have not observed any additional PIT tags at Bonneville Dam over the past week, so our estimate of 2,012 Sawtooth Hatchery adults remains unchanged. Our harvest share for the fishery is 204 fish, and as mentioned above, we still have about 67% of that left (136 adult hatchery chinook).

Of the estimated 2,012 adult hatchery Chinook returning to Sawtooth Hatchery:

We continue to see Sawtooth bound fish at the instream PIT tag array on the Salmon River near Elevenmile (approximately eleven miles upstream of the town of Salmon). The top panel of the figure (not shown) below shows streamflow (blue line) at the Salmon River gauge at Salmon for the last thirty days, as well as adult Chinook PIT tag detections for both hatchery (green bars) and wild (black bars) Chinook at the Elevenmile array. I've added the daily trapping totals at Sawtooth hatchery to the bottom panel of the figure.


Idaho Fish & Game
Upper Salmon River Chinook Update - 7/1/2026
EIN News, July 1, 2026

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