1. Steelhead Kelt Reconditioning Program Update Presented by: Dave Fast, Yakama Fisheries Acknowledgements: B. Bosch, M. Johnston, T. Newsome Prosser Hatchery Crew Columbia River Inter-Tribal Fish Commission Bonneville Power Administration Pacific States Marine Fisheries Commission

2. Kelt Reconditioning : A Research Project to Enhance Multiple Spawning in the Yakima Basin Steelhead (Oncorhynchus mykiss)

4. Genetic Stocks Four Stocks

5. Yakima Steelhead Escapement Trends, 1984 – Present Prosser Counts Roza/Redd Counts

6. Can Kelt Reconditioning be used to increase abundance and productivity?

7. Chandler Kelt Collection, 2001-08 Range: 23-38% Mean : ~30%

8. Existing Steelhead Reconditioning Area Existing Conditions

9. Desired Future Conditions

10. Data Entry

14. Rearing Tank

16. Insert Pic feed

19. Management Scenarios 1.Direct Release 2.No-Term 3.Short-Term 4.Long-Term

20. CURRENT KELT RESEARCH PROGRAM DIRECT - IMMEDIATE RELEASE NO TERM – TRUCKED NO FOOD SHORT TERM – TRUCKED BELOW BONNEVILLE DAM W/FOOD LONG TERM – RELEASE IN YAKIMA REPRODUCTIVE SUCCESS

21. Kelt Disposition, 2001-08

22. Survival Comparison of Short- and No-Term Reconditioned Kelts to ‘Baseline’ Iteroparity Bonneville Adult Ladder Tag Detections

23. Short- and Long-Term Survival of Reconditioned Kelts to Release

25. Yakima R. Steelhead Escapement with Reconditioning 7.4% 11.3% 2.4% Percentage increase in escapement due to reconditioning. 8.4% 4.4% 5.5% 6.7%

26. Summary of Knowns Kelts in poor condition don’t survive Shrimp krill – starter feed; pellets for maintenance Long-term reconditioning can greatly increase survival (~40%) vs. in-river (~3%) Short-term reconditioning can improve kelt survival in some years

27. Summary of Unknowns Relative reproductive success rates Long-term gonad re-maturation and viability What environmental cues are necessary and sufficient for repro. success? Factors affecting survival of short-term fish

29. QUESTIONS? YKFP.ORG

30. Steelhead Biologist

31. Questions? YKFP.org Bonefish Biologist

32. Existing Steelhead Reconditioning Area

33. Survival Comparison of Short- and No-Term Reconditioned Kelts to ‘Baseline’ Iteroparity Bonneville McNary

34. Yakima River Steelhead Returns, 1984 – Present