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Scientific Investigations Report 2010–5016

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Development of an Environmental Flow Framework for the McKenzie River Basin, Oregon

Table 18. Water temperature criteria for listed and sensitive fish species in the McKenzie River basin, Oregon.

[Data from Gregory and others (2007a)]

Species Lifestage Temperature criteria (degrees Celsius)
Optimum/
preferred		 Avoidance/
tolerance		 Stress/
delay		 Upper
lethal
limit
Chinook salmon Adult Holding: 8.0–12.5 All: 9.4, 14.1 Migration: 21.0 25.0
Fall: 10.6, 19.4 Disease: 15.5
Spring: 3.3, 13.3
Summer: 13.9, 20.0
Spawning 5.6, 12.8 16.0
Incubation 4.5–12.8 1.7, 14.4
Juvenile Rearing: 7.2-15.6 Rearing: 19.1 Rearing: 22.2
Migration: 18.3 Migration: 18.3
Steelhead Adult 10.0–12.8 7.2, 14.4   23.9
Spawning 3.9, 9.4
Incubation 10.0
Juvenile

First posted February 8, 2010

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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