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Environmental Factors Affecting Salmon Production

Washington Department of Fish & Wildlife Science Division. Environmental Factors Affecting Salmon Production. Dave Seiler. Map. Coho spawner. Coho Fry. Coho Smolt. Sunset Falls SF Skykomish River. Deschutes River screw trap at Tumwater Falls. Big Beef Creek during flood. Bingham Creek.

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Environmental Factors Affecting Salmon Production

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  1. Washington Department of Fish & Wildlife Science Division Environmental Factors Affecting Salmon Production Dave Seiler

  2. Map

  3. Coho spawner

  4. Coho Fry

  5. Coho Smolt

  6. SunsetFalls SF Skykomish River

  7. Deschutes River screw trap at Tumwater Falls

  8. Big Beef Creek during flood

  9. Bingham Creek

  10. Skagit River traps from air

  11. Skagit River screw & scoop traps, near Mt Vernon

  12. Clearwater River scoop trap

  13. W – Fence Trap

  14. Adult Returns to Sunset Falls FishwaySF Skykomish River

  15. Deschutes River Adult Coho Returns

  16. Big Beef Creek Smolt ProductionCoho, Cutthroat & Steelhead

  17. Bingham Creek Smolt Production Coho, Cutthroat & Steelhead

  18. Big Beef & Bingham CreeksCoho Smolt Productions

  19. Marine SurvivalPuget Sound Wild Coho

  20. Marine SurvivalBinghamCreekWild Coho

  21. Skagit River Wild Coho Smolt Production

  22. Chehalis River Minimum Spawning Flows& Subsequent Coho Smolt Production, BYs 1980-2000

  23. Bingham Creek Wild Coho, BYs 1980-2001 Smolt Production & Low Flows

  24. Bingham Creek Coho Smolt Production Related to Peak November FlowsFollowing Screen Removal at Lake Nahwatzel

  25. Cedar River Wild Sockeye FrySurvival as a Function of Peak Incubation Flow

  26. Egg-to-Migrant Survival and Peak Flowin the Skagit RiverWild Zero-Age Chinook: Brood Years 1989-2001

  27. Clearwater River Wild Coho Smolt Production &Peak Flow During Egg Incubation, Brood years 1979-2001 Low Escapement

  28. In-River Survival of Hatchery Sockeye FryReleased at Landsburg HatcheryCedar River 1995

  29. Bear Creek Sockeye Fry Survival Related to Flows During MigrationBrood Years 1996 - 2003

  30. Cedar River Chinook Migration

  31. Cedar River Wild Sockeye Fry Migration Timingas a Function of Temperature

  32. Proportion of PIT Tagged Chinook Detected at the Ballard LocksLake Washington Temperatures at Fremont BridgeAverage of years 2001 – 2003

  33. 100 90 y=3980.7+2.033*year R2=0.63 80 P<0.001 70 60 50 40 DAYS Days Exceeding 20 C 30 PREDICTED DAYS 20 10 0 1970 1975 1980 1985 1990 1995 2000 2005 2010 Number of Days Water Temperature Exceeded 20 degrees CLake Washington Ship Canal Data provided by Fred Goetz, USACE

  34. Yakima River Flow Range at Prosser During Fall Chinook Smolt Migration

  35. Fall Chinook Smolt Migration PastProsser & West Richlandand Stream Temperature, Yakima River 1992

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