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Lower Columbia Spring Chinook Fishing On Upward Trend, Two Five-Day Angling Periods Added
Posted on Friday, April 14, 2017 (PST)

Recreational angling improved over the weekend in the Columbia River from the river’s mouth to Bonneville Dam, prompting the two-state Columbia River Compact this week to take a cautious approach to extending early season fishing.

 

The Compact at its call-in hearing this week, Wednesday, April 12, added two five day periods for anglers downstream of the dam in the next two weeks, but scheduled a check-in hearing between the two periods in case catch of upriver fish, the limiting factor in the number of fish anglers can catch, exceeds the limit of over 6,900 fish.

 

The four-day lower Columbia River spring chinook season that closed Monday, April 11, showed a significant improvement in angling success than a previous period, ending April 2, when anglers caught just 82 fish from 10,578 angler trips, according to the Compact’s April 12, 2017, Winter Fact Sheet No. 11 (http://www.dfw.state.or.us/fish/OSCRP/CRM/FS/17/17_04_12wf11.pdf).

 

The poor fishing has been due to river conditions with higher, colder and more turbid water than normal. Those conditions persist, but somewhat improved last week and angling success improved with the conditions.

 

With seasonal water flow well above average, anglers have not had much success in getting fish to bite, said Ron Roler, a Columbia River fishery manager for the Washington Department of Fish and Wildlife.

 

Through April 10, anglers had caught only about 10 percent of the upriver spring chinook available for harvest at this point in the season.

 

During the period April 3 through April 10 anglers caught 1,052 spring chinook from 11,549 angler trips bringing the season total to 1,134 spring chinook and 35 steelhead from 22,127 angler trips. Some 117 spring chinook and 18 steelhead were released. The number of fish caught April 11 had not become available at the time of the Compact’s call-in hearing this week.

 

The number of upriver fish caught through April 10 was estimated at 702 chinook, or 10 percent of the 6,905 available to this fishery prior to an expected run-size update in early May.

 

Test fishing by the Washington Department of Fish and Wildlife is continuing to show a significant increase in chinook abundance in the lower river, according to the fact sheet. Test fishing April 9 increased to 7.8 fish per drift compared to 6 fish per drift April 2, 3.1 fish per drift March 27 and 1.7 fish per drift March 19. The highest count last year was 2.7 fish per drift on April 3, 2016.

 

"Test fisheries in the lower river are finding plenty of spring chinook," Roler said. "They're just not very quick to bite or move upriver under these conditions. Often visibility in the river is so limited that the fish can't see the anglers' lures."

 

"Fishing should pick up fairly quickly once the fish start to move," Roler said.

 

Yet, at this point in the season few chinook are moving upriver beyond Bonneville Dam, with just 217 of the fish passing the dam by April 10, one of the lowest counts on this date since Bonneville Dam was built, according to John North of the Oregon Department of Fish and Wildlife.

 

The number over the dam had picked up to 305 fish by April 13, but it is still far below last year’s count at this time of 2,515 fish and below the 10-year average of 3,372 chinook (see http://www.fpc.org/web/apps/adultsalmon/R_yeartodatecomparisontable_results.php).

 

“It’ still too early to tell how big this run is, or if it will be larger or smaller than our forecast,” said Stuart Ellis harvest management biologist with the Columbia River Inter-Tribal Fish Commission and lead of the U.S. v Oregon Technical Advisory Committee, which forecasts salmon and steelhead runs in the Columbia River.

 

Under the preseason forecast, approximately 160,400 upriver spring chinook are expected to return to the waters upstream of Bonneville Dam this year, which is about 80 percent of the 10-year average. That forecast is also down from last year’s actual run of 187,816 fish.

 

The total 2017 spring chinook forecast – including upriver and lower river chinook – is down 17 percent to 227,890 fish from the 2016 actual run of 274,652 fish.

 

Spring chinook returns to the Willamette River and other tributaries are also expected to be lower than in recent years.

 

River conditions at Bonneville dam are still higher, colder, and more turbid than recent 5-year averages for the first half of April. Outflow at the dam is nearly 400,000 cubic feet per second, which is almost 40 percent higher than average, the Fact Sheet said.

 

Water temperature is 47 degrees Fahrenheit, colder than the average of 49 degrees F. Visibility is 2 feet compared to the average of just over 4 feet. The river stage at Vancouver is currently 12.9 feet and is forecasted to crest at 14.5 feet on April 15 (Action Stage is 15.0 feet and Flood Stage is 16.0 feet).

 

At the end of the long meeting that had more fishing guides and fishing industry people testifying than is normal, the Compact set two five day periods of fishing for recreational anglers (see April 12 Columbia River Fishery Notice at http://www.dfw.state.or.us/fish/OSCRP/CRM/CAN/17/170412_notice.pdf).

 

Angling for spring chinook opened yesterday, April 13, and will be open through Monday, April 17, and again from Thursday, April 20 through Sunday April 23. The Council scheduled a check-in hearing at 1 pm, Wednesday, April 19. That meeting could be canceled if catch and upriver mortalities during the first five-day period are low.

 

Compact staff had expected river conditions to improve and, along with the increasing abundance of chinook in the lower river, it had expected catch to improve as well. Staff recommended the “days-per-week” approach that the Compact adopted, but suggested setting just one period, April 13 to April 16.

 

Angling is open from Buoy 10 upstream to Beacon Rock (boat and bank) and from Beacon Rock to Bonneville Dam from the bank for two adipose fin-clipped salmonids per day, with only one being a chinook.

 

The spring chinook fishery upriver from Bonneville Dam to the Washington-Oregon border near Umatilla is open until May 5. If spring chinook return at or above projections, fishery managers plan to provide additional fishing opportunities in both areas later this spring, according to the Washington Department of Fish and Wildlife.

 

Anglers fishing above Bonneville are allowed to retain one marked, hatchery-reared adult chinook salmon as part of their daily limit of two salmon, two steelhead, or one of each. Any chinook or steelhead without a clipped adipose fin and a healed scar must be released unharmed.

 

Commercial gillnetters that have been fishing in off-channel select areas since January, also saw an extension this week, but only at upper Youngs Bay and Blind Slough in Oregon. Fishing in Select Areas will be open April 13 and April 17.

 

The catch in Select Areas through April 11 totaled 583 chinook, or 81 percent of the recent 5-year average harvest of 721 fish. The catch includes an estimated 76 upriver spring chinook.

 

Also see:

 

--CBB, April 7, 2017, “Harvest Managers Extend Springer Fishing Citing Poor Water, Fishing Conditions,” http://www.cbbulletin.com/438673.aspx

 

--CBB, February 24, 2017, “First 2017 Spring Chinook Sport Fishery: Smaller Run But Larger Share Of Catch Than Previous Years,” http://www.cbbulletin.com/438380.aspx

 

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