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Table of contents

Breeding Success Of Wild & First Generation Hatchery Female Spring Chinook In An Artificial Stream

Location Of The Cle Elum Supplementation Research Facility

Artificial Stream At Cle Elum

Why An Artificial Stream?

Experimental Approaches To Evaluating Breeding Success

Sections Of The Artificial Stream Used In 01 & 02

Area Used In 2003, 04, & 05

Artificial Stream: Adult Handling Protocols

Artificial Stream: Placement Into the Artificial Stream

No. Of Test Groups Used

No Of Fry Used In Pedigree Evaluations

Measures Of Female Breeding Success:

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Measures Of Female Breeding Success:

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Breeding Success Measures Depend Upon: Fecundity Estimation

Female Breeding Success % Spawned

Female Breeding Success: % Survival Of Actual Egg Deposition

Female Breeding Success: Potential Egg Deposition To Fry Survival

Factors Examined That May Affect Female Breeding Success

Affect Of Body Size On Female Breeding Success

Affect Of Female Origin On Longevity

Longevity & Female Breeding Success

Affect Of Instantaneous Density On Female Breeding Success: % Spawned

Affects Of Instantaneous Density: AED Survival, PED Survival

In Stream Distribution Of Wild & Hatchery Females: Half Stream

In Stream Distribution Of Wild & Hatchery Females: Entire Stream

Redd Placement Within Artificial Stream Sections: Hatchery & Wild Combined

Redd Placement By Wild & Hatchery Females: % Of Redds In Lowest Portion Of A Stream Section

Redd Abandonment

Affect Of Female Origin & The Occurrence Of Multiple Redds

Affect Of Female Origin &Redd Abandonment

Nest Construction Activities Compared

Digging Frequency Of Hatchery &Wild Females

Body Flexures Per Dig in Hatchery & Wild Females

Egg Burial Times For Hatchery and Wild Females

Factors Responsible For Differences In Breeding Success

Special Thanks To:

Author: Dave Fast

E-mail: fast@yakama.com