2004 Oregon Steelhead Status Update Steve Jacobs Oregon Department of Fish and Wildlife.
17
2004 Oregon Steelhead 2004 Oregon Steelhead Status Update Status Update Steve Jacobs Steve Jacobs Oregon Department of Fish and Oregon Department of Fish and Wildlife Wildlife
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Transcript of 2004 Oregon Steelhead Status Update Steve Jacobs Oregon Department of Fish and Wildlife.
2004 Oregon Steelhead Status 2004 Oregon Steelhead Status UpdateUpdate
Steve JacobsSteve JacobsOregon Department of Fish and WildlifeOregon Department of Fish and Wildlife
Oregon SteelheadOregon Steelhead
Winter RunSummer Run
ApproachApproach
Mined long-term data setsMined long-term data sets
Passage counts and redd countsPassage counts and redd counts
30 year trends30 year trends
Assessment PopulationsAssessment Populations
Umpqua Basin SteelheadUmpqua Basin Steelhead
0
2,000
4,000
6,000
8,000
10,000
12,000
1974 1979 1984 1989 1994 1999 2004
Da
m C
ou
nts
Winter Run
Summer Run
Winchester Dam CountsWinchester Dam Counts
Rogue Basin SteelheadRogue Basin Steelhead
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
1974 1979 1984 1989 1994 1999 2004
Da
m C
ou
nts
Summer Run
Winter Run
Gold Ray Dam CountsGold Ray Dam Counts
Rogue Basin SteelheadRogue Basin Steelhead
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
1976 1980 1984 1988 1992 1996 2000 2004
YEAR
HA
LF P
OU
ND
ER
S
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
AD
ULT
S
Wild Half Pounders
Wild Adults
Huntley Park Seine EstimatesHuntley Park Seine Estimates
Special InterestSpecial Interest Siletz Summer Steelhead - A Better Siletz Summer Steelhead - A Better
Future?Future?
0
200
400
600
800
1000
1969 1972 1994 1997 2000 2003
Lower Columbia PopulationsLower Columbia Populations
0
1000
2000
3000
4000
1974 1979 1984 1989 1994 1999 2004
Da
m C
ou
nts
Sandy
Clackamas
Willamette Basin SteelheadWillamette Basin Steelhead
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
1974 1979 1984 1989 1994 1999 2004
Lad
der
Co
un
ts
Late Run over Willamette FallsLate Run over Willamette Falls
Middle Columbia PopulationsMiddle Columbia Populations
0
5
10
15
20
1974 1979 1984 1989 1994 1999 2004
Red
ds
/ Mile Upper John Day
Middle Columbia PopulationsMiddle Columbia Populations
0
2,000
4,000
6,000
8,000
10,000
1974 1979 1984 1989 1994 1999 2004
Deschutes
Umatilla
Snake PopulationsSnake Populations
0
2
4
6
8
10
12
14
1974 1979 1984 1989 1994 1999 2004
Red
ds
/ Mile
JosephCreek
Angler Harvest in Coastal BasinsAngler Harvest in Coastal BasinsWinter SteelheadWinter Steelhead
0
20,000
40,000
60,000
80,000
100,000
120,000
Run Year
An
gle
r H
arve
st
0
500,000
1,000,000
1,500,000
2,000,000
2,500,000
Hat
cher
y S
mo
lt R
elea
ses
(Yea
r i-
2)
Harvest
Releases
On the HorizonOn the Horizon Are Wild Fish Release Regulations Are Wild Fish Release Regulations
Forever ?Forever ?
Revised 7/31/01
StS catch & StS catch & release, StW 1/day & release, StW 1/day & 5/year5/year
StW 1/day & 5/yearStW 1/day & 5/year
Catch and releaseCatch and release
ClosedClosed
Influence of Marine SurvivalInfluence of Marine Survival
0.0
0.4
0.8
1.2
1.6
2.0
1974 1979 1984 1989 1994 1999 2004
Rel
ativ
e S
teel
hea
d A
bu
nd
ance
Ch
ang
e
0%
2%
4%
6%
8%
10%
OP
I C
oh
o S
urv
ival
Steelhead Abundance
Coho Marine Survival
