2004 Oregon Steelhead Status Update Steve Jacobs Oregon Department of Fish and 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