September 5, 2013 at 2:08 PM
Columbia River salmon and steelhead updates:
- Passage of Fall Chinook at Bonneville Dam through September 4 totals 273,820 adults. Chinook passage for both bright and tule stocks have exceeded preseason passage expectations to date. Based on the 10-year average, passage is 50% complete by September 9.
- Passage of upriver summer steelhead since July 1 totals 182,898 fish. Counts have been less than expected. On August 26, the U.S. v. Oregon Technical Advisory Committee (TAC) downgraded the Group A run size to 199,000 fish (68% of preseason). It is too early to update the Group B preseason forecast of 31,600 fish, but TAC noted counts of Group B fish are also tracking less than expected.
- Catch estimates for the Buoy 10 recreational fishery include 15,500 Chinook kept (4,100 released) from 37,200 angler trips during Aug 1-22.
- Estimated catch during the August 23-September 1 mark-selective fishery, is 6,800 Chinook kept (8,600 released) from 20,900 angler trips.
- Total effort and catch thru Sept. 1 was 22,300 Chinook kept (12,700 released) from 58,100 angler trips.
- Chinook catch was the highest on record since 1988 (30,700 fish).
- Estimated coho harvest through September 1 totals 6,800 fish (including release mortalities) compared to the 13,100 fish available.
Lower Columbia mainstem below Bonneville Dam:
- Catch estimates for the lower Columbia River (LCR) recreational fishery include 12,600 Chinook kept (1,100 released) from 69,000 angler trips during Aug 1-31.
- The fishery experienced record high catch in August (previous record 6,800 last year).