Salmon & Steelhead Recovery Tracker

Molalla/Pudding River (Independent Population)

Molalla/Pudding River Independent Population

Oncorhynchus mykiss

Abundance

Annual estimates of the abundance of naturally-produced spawners for each Upper Willamette River population.

Spawning Year Wild Adult Count Nat. Origin Spawners 95% Confidence Interval Abundance Goal
2008 1,273
2007 1,341
2006 1,433
2005 1,388
2004 1,987
2003 1,707
2002 2,476
2001 1,654
2000 1,898
1999 1,079
1998 1,256
1997 525
1996 354
1995 799
1994 2,066
1993 514
1992 1,689
1991 979
1990 1,315
1989 1,544
1988 1,930
1987 1,741
1986 2,061
1985 2,190
1984 1,571
1983 1,113
1982 1,625
1981 1,849
1980 2,262

Average Abundance

Spawning Year Average Abundance Avg. of Ab.Goal

Hatchery Proportion

The proportion of spawning fish that are of hatchery origin in each Upper Willamette River population.

Spawning Year Wild Adult Count Total Adult Count Proportion Hatchery Proportion Hatchery Below Dam
2011
2008 0.00
2007 0.00
2006 0.00
2005 0.00
2004 0.00
2003 0.00
2002 0.00
2001 0.00
2000 0.00
1999 0.01
1998 0.11
1997 0.11
1996 0.11
1995 0.11
1994 0.11
1993 0.11
1992 0.11
1991 0.30
1990 0.30
1989 0.30
1988 0.30
1987 0.30
1986 0.30
1985 0.30
1984 0.30
1983 0.30
1982 0.30
1981 0.30
1980 0.30

Average Hatchery Proportion

Spawning Year 9-yr. pHOS Avg. pHOS Limit