Status & Trends by Region


Status & Trends in the Imnaha Subbasin (Blue Mountain Province)

Fall Chinook

Biological Objective : Draft Recovery Plan Criteria :
Unknown
Subbasin Plan Objective :
3,000 natural adults290
 
Current Status : Redd Counts
2009: 36 redds 143

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

Spring Chinook

Biological Objective : Draft Recovery Plan Criteria :
Unknown
Subbasin Plan Objective :
3,800 natural adults (5,740 total returns)290
 
Current Status : NOSA Estimate
2016: 607 spawners474
Redd Counts
2016: 524 redds (mixed)170
Juvenile Emigrants (natural)
2010: 145,179 juveniles (natural) 172

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Snake River 
Major Population Group (MPG) : Grande Ronde-Imnaha 
Population : Imnaha, Big Sheep Creek 
 

Pacific Lamprey

No abundance chart available for Pacific Lamprey.
Biological Objective : Subbasin Plan Objective :
None
 
Current Status : Unknown
ESA Listing Status :    Species of Concern
Evolutionary Significant Unit (ESU) :  
Major Population Group (MPG) :  
Population :  
 

Summer Steelhead

Biological Objective : Draft Recovery Plan Criteria :
Unknown
Subbasin Plan Objective :
2,100 natural adults (4,315 toal returns)290
 
Current Status : Redd Counts
2016: Camp Creek - 40 redds35

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

Bull Trout

Biological Objective : Draft Recovery Plan Criteria :
5,000 adults (no delineation among local populations)291
 
Current Status : Redd Counts
2016: 235 redds141

ESA Listing Status :    Threatened