2004 oregon steelhead status update steve jacobs oregon department of fish and wildlife
TRANSCRIPT
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2004 Oregon Steelhead Status 2004 Oregon Steelhead Status UpdateUpdate
Steve JacobsSteve JacobsOregon Department of Fish and WildlifeOregon Department of Fish and Wildlife
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Oregon SteelheadOregon Steelhead
Winter RunSummer Run
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ApproachApproach
Mined long-term data setsMined long-term data sets
Passage counts and redd countsPassage counts and redd counts
30 year trends30 year trends
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Assessment PopulationsAssessment Populations
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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
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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
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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
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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
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Lower Columbia PopulationsLower Columbia Populations
0
1000
2000
3000
4000
1974 1979 1984 1989 1994 1999 2004
Da
m C
ou
nts
Sandy
Clackamas
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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
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Middle Columbia PopulationsMiddle Columbia Populations
0
5
10
15
20
1974 1979 1984 1989 1994 1999 2004
Red
ds
/ Mile Upper John Day
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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
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Snake PopulationsSnake Populations
0
2
4
6
8
10
12
14
1974 1979 1984 1989 1994 1999 2004
Red
ds
/ Mile
JosephCreek
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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
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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
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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
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