PowerPoint Presentation

Flip-Flop Origins

The Flip-Flop Strategy

Distribution of spring Chinook spawning redds in the Yakima Basin, 1957–1961

Yakima and Naches Flows (2006)

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Naches River NR Naches Regulated, Unregulated Discharge Summary Hydrographs

Objectives of this Study

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What Information is Available?

Potential Tradeoffs

Recruitment of Age-0+ Spring Chinook Rearing in the Upper Yakima River

Age-0+ Spring Chinook Size (Sept-Oct) Versus the Number of Redds the Year Prior

Potential Tradeoffs

Rearing Habitat vs Flow

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Critical Data Gaps

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