Salmon & Steelhead Recovery Tracker

South Santiam River (Independent Population)

South Santiam 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 1,534
2007 1,535
2006 1,805
2005 1,519
2004 3,546
2003 2,033
2002 2,282
2001 3,268
2000 1,608
1999 1,748
1998 1,043
1997 979
1996 1,211
1995 1,569
1994 2,045
1993 1,290
1992 2,269
1991 2,319
1990 1,982
1989 1,627
1988 2,994
1987 2,451
1986 2,832
1985 3,588
1984 2,794
1983 1,743
1982 2,133
1981 2,374
1980 2,964

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 0.00
1998 0.00
1997 0.00
1996 0.00
1995 0.00
1994 0.00
1993 0.00
1992 0.00
1991 0.00
1990 0.00
1989 0.04
1988 0.06
1987 0.07
1986 0.10
1985 0.11
1984 0.21
1983 0.04
1982 0.04
1981 0.00
1980 0.00

Average Hatchery Proportion

Spawning Year 9-yr. pHOS Avg. pHOS Limit