Upper Klamath-Trinity Rivers Spring-Run Chinook Salmon

Oncorhynchus tshawytscha

LEVEL OF CONCERN: CRITICAL
Chinook salmon exhibiting spring run timing in the Klamath Basin are likely to disappear in the next 50 years. Small, self-sustaining populations remain primarily in the Salmon and South Fork Trinity rivers, where they are highly vulnerable to climate change, hybridization with hatchery-origin fish, and other stressors.

What happened and why has the Level of Concern increased?

Characteristics

Abundance

Habitat and Behavior

Genetics

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California Trout, Inc.

California Trout, Inc.