
Snake River Spring/Summer-run Chinook
ESA Listing Status: Threatened on June 28, 2005 295kb; updated April 14, 2014
503kb
ESU Definition: This evolutionarily significant unit, or ESU, includes naturally spawned spring/summer-run Chinook salmon originating from the mainstem Snake River and the Tucannon River, Grande Ronde River, Imnaha River, and Salmon River subbasins. It also includes spring/summer-run Chinook salmon from 11 artificial propagation programs:
- Tucannon River Program
- Lostine River Program
- Catherine Creek Program
- Lookingglass Hatchery Program
- Upper Grande Ronde Program
- Imnaha River Program
- Big Sheep Creek Program
- McCall Hatchery Program
- Johnson Creek Artificial Propagation Enhancement Program
- Pahsimeroi Hatchery Program
- Sawtooth Hatchery Program
Current Population Trends:
- Salmon Population Trend Summaries
- Salmon Population Summary Database
- 5-Year Salmon Status Review
1.6MB
Critical Habitat: Designated Oct. 25, 1999 41kb
Protective Regulations: Issued June 28, 2005 295kb
Chinook Salmon Federal Register Notices
Chinook Salmon Maps & GIS Data