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

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Presentation on theme: "Environmental Factors Affecting Salmon Production Washington Department of Fish & Wildlife Science Division Dave Seiler."— Presentation transcript:

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

2 Map

3 Coho spawner

4 Coho Fry

5 Coho Smolt

6 Sunset Falls 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 Fishway SF Skykomish River

15 Deschutes River Adult Coho Returns

16 Big Beef Creek Smolt Production Coho, Cutthroat & Steelhead

17 Bingham Creek Smolt Production Coho, Cutthroat & Steelhead

18 Big Beef & Bingham Creeks Coho Smolt Productions

19 Marine Survival Puget Sound Wild Coho

20 Marine Survival Bingham Creek Wild C oho

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 Flows Following Screen Removal at Lake Nahwatzel

25 Cedar River Wild Sockeye Fry Survival as a Function of Peak Incubation Flow

26 Egg-to-Migrant Survival and Peak Flow in the Skagit River Wild 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 Fry Released at Landsburg Hatchery Cedar River 1995

29 Bear Creek Sockeye Fry Survival Related to Flows During Migration Brood Years 1996 - 2003

30 Cedar River Chinook Migration

31 Cedar River Wild Sockeye Fry Migration Timing as a Function of Temperature

32 Proportion of PIT Tagged Chinook Detected at the Ballard Locks Lake Washington Temperatures at Fremont Bridge Average of years 2001 – 2003

33 Number of Days Water Temperature Exceeded 20 degrees C Lake 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 Past Prosser & West Richland and Stream Temperature, Yakima River 1992


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