Natural Reproductive Success Natural Reproductive Success of First-generation Hatchery of First-generation Hatchery Steelhead Spawning in the Steelhead Spawning in the Kalama River Kalama River CAMERON SHARPE CAMERON SHARPE PAT HULETT PAT HULETT CHRIS WAGEMANN CHRIS WAGEMANN MAUREEN SMALL MAUREEN SMALL WDFW WDFW KALAMA RESEARCH TEAM & KALAMA RESEARCH TEAM & CONSERVATION BIOLOGY UNIT CONSERVATION BIOLOGY UNIT
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Natural Reproductive Success of First-generation Hatchery Steelhead Spawning in the Kalama River
Natural Reproductive Success of First-generation Hatchery Steelhead Spawning in the Kalama River. CAMERON SHARPE PAT HULETT CHRIS WAGEMANN MAUREEN SMALL WDFW KALAMA RESEARCH TEAM & CONSERVATION BIOLOGY UNIT. ACKNOWLEDGEMENTS. KALAMA HATCHERY STAFF NOAA/MITCHELL ACT - PowerPoint PPT Presentation
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Natural Reproductive Success Natural Reproductive Success of First-generation Hatchery of First-generation Hatchery
Steelhead Spawning in the Kalama Steelhead Spawning in the Kalama River River
CAMERON SHARPECAMERON SHARPE
PAT HULETTPAT HULETT
CHRIS WAGEMANNCHRIS WAGEMANN
MAUREEN SMALLMAUREEN SMALL
WDFWWDFWKALAMA RESEARCH TEAM & KALAMA RESEARCH TEAM &
CONSERVATION BIOLOGY UNITCONSERVATION BIOLOGY UNIT
ACKNOWLEDGEMENTSACKNOWLEDGEMENTS
KALAMA HATCHERY STAFFKALAMA HATCHERY STAFF
NOAA/MITCHELL ACTNOAA/MITCHELL ACT
ANNE MARSHALL, HOWARD ANNE MARSHALL, HOWARD FUSS, TODD PEARSONS, BILL FUSS, TODD PEARSONS, BILL HOPLEY, STEVE LEIDERHOPLEY, STEVE LEIDER
SELECTED TO REPRESENT SELECTED TO REPRESENT PHENOTYPIC DIVERSITY OF THE PHENOTYPIC DIVERSITY OF THE WILD STOCKWILD STOCKRUN TIMING (RUN TIMING (NOTNOT SPAWN TIMING) SPAWN TIMING)ADULT SIZE (ADULT SIZE (NOTNOT AGE STRUCTURE) AGE STRUCTURE)
Probably an adequate proxyProbably an adequate proxy
HATCHERY FISH SELECTED TO HATCHERY FISH SELECTED TO MATCH THAT YEAR’S MATCH THAT YEAR’S RETURNING WILD FISHRETURNING WILD FISHABUNDANCE/TIME – 50:50 H:WABUNDANCE/TIME – 50:50 H:WSEX RATIO – MATCHED H:WSEX RATIO – MATCHED H:WNON-SELECTIVE FOR SIZE NON-SELECTIVE FOR SIZE
‘‘0202 ‘‘0404‘‘0303‘‘0202 ‘‘0404‘‘0303
0
200
400
600
800
1000
For
k Le
ngth
(m
m)
2002H
2002W
2003H
2003W
2004H
2004W
Cap
ture
Dat
e
2002H
2002W
2003H
2003W
2004H
2004W
0
100
200
300
400
500
0
200
400
600
800
1000
For
k Le
ngth
(m
m)
2002H
2002W
2003H
2003W
2004H
2004W
Cap
ture
Dat
e
2002H
2002W
2003H
2003W
2004H
2004W
0
100
200
300
400
500
IDEALLY:IDEALLY:
HH11 HH22
HH33HH44
WW11 WW22
WW33WW44
XX
HH11WW33
HH11HH44
WW22WW33
SPAWNERSSPAWNERS OFFSPRINGOFFSPRING
CategoryCategoryBrood YearBrood Year
20032003 20042004 20052005
WB hatchery total WB hatchery total to KFH to KFH 2,6152,615 700700 905905