Springers 2010, By The Numbers

With the book on the 2010 upriver spring Chinook run officially closed at Bonneville Dam as of yesterday, it’s time to take a look back at how the return and fisheries fared.

Official preliminary estimates will be out in a week or so, but here’s our unofficial look at the run, by the numbers:

TOM SNAZA'S SPRINGER WAS ONE OF OVER 35,000 CAUGHT BY SPORT ANGLERS IN 2010 ON THE MAINSTEM COLUMBIA AND SNAKE RIVERS. HE CAUGHT HIS OUT OF CATHLAMET AS THE RUN BUILT IN LATE MARCH. (LAZER SHARP PHOTO CONTEST)

Size of 2009 jack run (used to estimate 2010’s run size): 81,782

Rank: 1st since 1938, four times larger than previous record

2010 adult preseason forecast: 470,000

Rank since 1938: 1st

No. of models federal, tribal and state fishery managers initially used last fall to begin figuring out preseason forecast: 18

No. of actual preseason forecasts: 7

Range of preseason forecasts: 366,000 to 528,000 (470,000 was the average)

Date of first fish passage at Bonneville: Jan. 3 (two)

Date first 10 fish had passed: March 8

Date first 100 fish had passed: March 19

Date first 1,000 fish had passed: April 3

Date first 10,000 fish had passed: April 13

Date first 100,000 fish had passed: April 26

Date first 200,000 fish had passed: May 10

Largest single day count: 11,697 (April 21)

Quintuple-digit days: 1

First inseason forecast update (May 4): 310,000 to 370,000

Second inseason forecast update (May 10): 350,000, with a range from 330,000 to 370,000

Third inseason forecast update (May 17): 340,000

Run size at Bonneville through June 15, the last day Chinook are officially counted as springers: 280,118

Below-Bonneville mainstem recreational catch (keep plus release mortalities): 23,533

Below-Bonneville mainstem commercial catch: 7,609

Select Areas Fisheries Enhancement (SAFE) commercial catch: 1,462

Minimum below-Bonneville treaty catch through May 10: 3,010

Rough final below-Bonneville treaty catch: 5,000

Below-Bonneville sea lion catch (through May 27): 5,392

Bonneville dam count + lower river sport, comm, minimum treaty and pinniped catches: 321,124 above-Bonneville-bound Chinook entering the Columbia River

Rank since 1980: 3rd to 2001’s 439,885 and 2002’s 334,599, and ahead of 2003’s 242,603 and 2004’s 242,603

Overall sportfishing effort below Bonneville: 166,027 trips

Rank: 2nd highest effort since 2002

Overall recreational catch below Bonneville (upriver + SAFE, Willamette-, Cowlitz-, Lewis-, etc., bound springers: 29,125

Rank: 1st , followed by 2001’s 22,714 and 2008’s 19,612

Overall commercial catch (mainstem + SAFE areas): 28,829

Overall treaty (gillnet, hook-and-line, ceremonial on mainstem Columbia above and below Bonneville) catch: 41,508

Sportfishing catch on Columbia and Snake Rivers above Bonneville (through-May 21 estimates): 5,949

Catch allocations of upriver Chinook at above-Bonneville run size of 340,000:

Recreational below Bonneville: 19,874

Commercial below Bonneville (mainstem + SAFE): 14,651

Treaty: 39,780

Above-Bonneville sport (Bonneville-McNary, Ringold, Snake): 5,255

2010 jack count at Bonneville: 16,510, 5,063 below 10-year average, 4th lowest since 2000

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