Status & Trends by Region


Status & Trends in the Snake Hells Canyon Subbasin (Blue Mountain Province)

Fall Chinook

Biological Objective : Subbasin Plan Objective :
3% smolt to adult return (SAR) rate to Lower Granite Dam292
 
Current Status : Redd Counts
2014: 2,808 redds 174
Adult Counts (Lower Granite Dam)
2017: 24,431 adults 60

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Snake River 
Major Population Group (MPG) :  
Population :  
 

Spring/Summer Chinook

Biological Objective : Subbasin Plan Objective :
4-6% smolt to adult return (SAR) rates to Lower Granite Dam292
 
Current Status : Adult Counts (Lower Granite Dam)
2017: 36,309 adults 60

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Snake River 
Major Population Group (MPG) :  
Population :  
 

Pacific Lamprey

Biological Objective : Subbasin Plan Objective :
None
 
Current Status : Adult Counts (Lower Granite Dam)
2017: 472 adults 60

ESA Listing Status :    Species of Concern
Evolutionary Significant Unit (ESU) :  
Major Population Group (MPG) :  
Population :  
 

Sockeye

Biological Objective : Subbasin Plan Objective :
None
 
Current Status : Adult Counts (Lower Granite Dam)
2017: 288 adults 60

ESA Listing Status :    Endangered
Evolutionary Significant Unit (ESU) : Snake River 
Major Population Group (MPG) :  
Population :  
 

Summer Steelhead

Biological Objective : Subbasin Plan Objective :
4% smolt to adult return (SAR) rate to Lower Granite Dam292
 
Current Status : Adult Counts (Lower Granite Dam)
2017: 71,178 adults 60

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Snake River 
Major Population Group (MPG) :  
Population :  
 

Bull Trout

No abundance chart available for Bull Trout.
Biological Objective : Draft Recovery Plan Criteria :
No numeric objective (abundance estimates considered a research need)290
 
Current Status : Unknown
ESA Listing Status :    Threatened
 

White Sturgeon

No abundance chart available for White Sturgeon.
Biological Objective : Subbasin Plan Objective :
321
 
Current Status : Hell Canyon (Snake River only)
Estimated abundance (fish > 60 cm FL) = 3,625 fish 437
ESA Listing Status :    Not Listed
 

Redband Trout

No abundance chart available for Redband Trout.
Biological Objective : Subbasin Plan Objective :
None
 
Current Status : Unknown 426
ESA Listing Status :    Species of Concern