Nez Perce Tribal Hatchery Spring Chinook Production

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Nez Perce Tribal Hatchery Spring
Chinook Production
Nez Perce Tribe
Department of Fisheries Resources Management
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Broodstock Sources

• Primary Sources
• Newsome Cr. - Adult Weir
• Lolo Cr. Adult Weirs (Upper Lower)

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Secondary Broodstock Sources

• Secondary Sources
• NPTH Adult Trap
• IDFG Clearwater Fish Hatchery
• Powell Facility, Lochsa River
• Red River Facility, S.F. Clearwater River
• Crooked River Facility, S.F. Clearwater River
• USFWS Dworshak NFH Ladder Collection

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Lolo Creek Adult Trapping Summary
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Lolo Creek Broodstock Trapped Summary
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Lolo Creek Broodstock Composition
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Lolo Creek BroodstockGreen Egg Summary
Target Goal 172,500 Green Eggs
Green eggs
Brood Year
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Lolo Creek BroodstockPercent Eye-Up
Overall Mean 94.2
Eye- Up
Brood Year
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Lolo Creek Acclimation and Release
Target Acclimation and Volitional Release
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Lolo Creek Target and Realized Sizes at Release
Length (mm)
Fish Per Pound
Target Size 34 FPP
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Lolo CreekTarget and Realized Release Numbers
Numbers Released
Release Year
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Hatchery Adult Returns to Lolo Creek
Z
Return Goal 329 Hatchery Adults
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Newsome CreekAdult Trapping Summary
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Newsome Creek Broodstock Trapped Summary
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Newsome Creek Broodstock Composition
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Newsome Creek BroodstockGreen Egg Summary
Target Goal 86,250 Green Eggs
Green eggs
Brood Year
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Newsome Creek BroodstockPercent Eye-Up
Overall Mean 92.7
Eye- Up
Brood Year
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Newsome Creek Acclimation and Release
Target Acclimation and Volitional Release
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Newsome CreekTarget and Realized Size at Release
Target Size 29 FPP
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Newsome CreekTarget and Realized Release Numbers
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Hatchery Adult Returns to Newsome Creek
Z
Return Goal 171 Hatchery Adults
Number of Adults
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Meadow CreekTarget and Realized Size at Release
Target size
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Meadow CreekTarget and Realized Release Numbers
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Meadow Creek Secondary BroodstockGreen Egg
Summary
Target Goal 460,000 Green Eggs
Green eggs
Brood Year
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Meadow Creek Secondary BroodstockGreen Egg
Summary
Overall Mean 92.4
Eye-Up
Brood Year
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All Sources Green Egg Composition and Target
718,750 Green Egg Goal
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NPTH Egg Eye-Up Summary
Overall Mean 93.1
Eye-Up
Brood Year
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Early Final Rearing Densities
Early
Final
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Spring Chinook Marking Summary

• Lolo Creek
• 2002 through 2008 (100 CWT)
• Newsome Creek
• 2002 through 2008 (100 CWT)
• Meadow Creek/Selway River
• 2002, 2003, 2006 (100 CWT)
• 2004 2005 No Production
• 2007 (96 CWT)
• 2008 (94 CWT)

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Spring Chinook Salmon Program Challenges

• New program
• Broodstock availability
• Disease Outbreaks
• 2005 Hubbard Gulch flood
• Adult holding mortalities

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Questions?