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Scheuerell et al 2006: Temperature and Chinook Egg-to-Fry

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Species Common Name
Chinook Salmon
Latin Name (Genus species)
Oncorhynchus tshawytscha
Stressor Name
Temperature
Specific Stressor Metric
Mean Daily Temp During Incubation
Stressor Units
C
Vital Rate (Process)
Survivorship

Life Stage

Season
Incubation
Activity
Incubation
Geography
Oregon
Detailed SR Function Description
Function applied in Honea et al., (2009) and Scheuerell et al. (2006) for life cycle model for wild spring-run Chinook salmon. Survivorship function from Scheuerell et al. (2006):

Probability of egg-to-fry survivorship based on stream temperature where Tinc is the mean daily temp during incubation (Aug-May for their population):

Tinc >= 1.3 & Tinc < 4.7: ((0.273*Tinc)-0.342)
Tinc >= 4.7 & Tinc < 14.3: 0.94
Tinc >= 14.3 & Tinc < 18.1: ((-0.245*Tinc)+4.44)
Tinc >= 18.1: 0.01
Function Type
continuous
Stressor Scale
linear
References Cited
Scheuerell M.D., Hilborn R., Ruckelshaus M.H., Bartz K.K., Lagueux K.M., Haas A.D. & Rawson K. (2006) The Shiraz model: a tool for incorporating anthropogenic effects and fish-habitat relationships in conservation planning. Canadian Journal of Fisheries and Aquatic Science, 63, 1596–1607.

Honea, J. M., Jorgensen, J. C., McCLURE, M. M., Cooney, T. D., Engie, K., Holzer, D. M., & Hilborn, R. (2009). Evaluating habitat effects on population status: influence of habitat restoration on spring‐run Chinook salmon. Freshwater Biology, 54(7), 1576-1592.
Stressor Response csv data
temp_egg.csv (368 bytes)
Raw Stressor Values Scaled Response Values 0 to 100 SD low.limit up.limit
0 0 0 0 100
1.3 1.29 0 0 100
2 20.4 0 0 100
3 47.7 0 0 100
4 75 0 0 100
4.7 94 0 0 100
6 94 0 0 100
6 94 0 0 100
8 94 0 0 100
10 94 0 0 100
12 94 0 0 100
14 94 0 0 100
14.3 93.65 0 0 100
15 76.5 0 0 100
16 52 0 0 100
17 27.5 0 0 100
18 3 0 0 100
18.1 1 0 0 100
20 1 0 0 100

Stressor Response Chart