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Update on Chinook fishery in the upper Salmon River – 10.07.2024
Update on Chinook fishery in the upper Salmon River – 10.07.2024

July 10, 2024

Hey everyone, During the last open period of the Upper Salmon River Chinook fishery (July 4-7), we saw a slight increase in fishing effort. During the third week of the season, anglers spent approximately 1,552 hours targeting Chinook salmon. In addition, anglers caught an estimated 28 hatchery adults and 49 adult jacks. Anglers also released one hatchery adult, two hatchery adult jacks, five adults intact in adipose tissue, and three jacks intact in adipose tissue. The average catch rate was 18 hours per salmon caught and the harvest rate was 20 hours per salmon retained. Even though it was a holiday weekend, we did not see a large increase in effort. Effort was only 224 hours higher than the previous week.

REGULATE

There have been no changes to the fishing regulations since last week’s update, but we plan to continue to include this paragraph in all future reports to make it easier for anyone unfamiliar with the regulations to find the information.

The Upper Salmon River fishery is open 4 days a week (Thursday – Sunday) and reopens every Thursday until harvest quota is met, wild fish impact is reached, or August 10, whichever comes first. The fishery is open from 100 yards upstream of the Valley Creek mouth to the marked limit approximately 100 yards downstream of the Sawtooth Fish Hatchery weir and trap. Fishing hours are from 5:30 a.m. to 10:00 p.m. MDT. The daily limit is four (4) hatchery salmon, of which only two (2) must be adult (over 24 inches). For full season rules, please click here.

RUN and HARVEST SHARE UPDATE

In last week’s update, I mentioned that we would be shifting our focus from counting fish at Bonneville Dam to what we see (or have seen) while crossing Lower Granite Dam.

As of July 8, 1,626 adult Chinook salmon from the Sawtooth Hatchery have crossed Lower Granite Dam, which is 81 more than last week (table below). As mentioned in last week’s report, we had a late surge of PIT-tagged fish crossing Bonneville Dam, and how they survived their migration from Bonneville to Lower Granite Dam would affect our final catch share. The number of adult salmon from the Sawtooth Hatchery was above average, but unfortunately the survival rate of these late-arriving fish was lower – one of the late arrivals crossed Lower Granite Dam on 7/7, which helps, but the overall survival rate from Bonneville to Lower Granite was 73%. Based on this latest estimate, our catch share is 296 adult salmon from the hatchery.

By Everly