PowerPoint Presentation

Review in-basin and out-of-basin research related to the potential effects of Flip-Flop

• Review in-basin and out-of-basin research related to the potential effects of Flip-Flop
• Analyze currently available data to quantify the effects of Flip-flop on spring Chinook
• Conduct a cause-and-effect analysis of potential alterations to the Flip-flop flow management strategy if possible
• Identify any needs for studies to fill critical data gaps

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Is the operation successful at sustaining aquatic life while meeting the water demands in the Yakima Basin?

• Is the operation successful at sustaining aquatic life while meeting the water demands in the Yakima Basin?
• What are the positive and negative impacts of Flip-flop to Chinook and other salmonids?
• Are there more effective means to support salmonid production and water uses by modifying the Flip-flop operation?

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Ricker Stock-Recruitment Relationship for the Upper Yakima Spring Chinook

Common Year Effect and Residuals from Ricker Model by Brood Year

Common Year Effect vs. Residuals

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