Status & Trends by Region


Status & Trends in the Lewis Subbasin (Lower Columbia Province)

Fall Chinook

Biological Objective : Draft Recovery Plan Criteria :
1,500 natural adults298
 
Current Status : NOSA Estimate
2015: 4,360 spawners 474

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Lower Columbia 
Major Population Group (MPG) : Cascade Fall 
Population : Lewis 
 

Late Fall Chinook

Biological Objective : Draft Recovery Plan Criteria :
7,300 natural adults298
 
Current Status : NOSA Estimate
2015: 23,614 spawners 474

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Lower Columbia 
Major Population Group (MPG) : Cascade Late Fall 
Population : Lewis 
 

Spring Chinook

Biological Objective : Draft Recovery Plan Criteria :
1,500 natural adults298
 
Current Status : Adult Escapement (natural)
2014: 428 adults 508

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Lower Columbia 
Major Population Group (MPG) : Cascade Spring 
Population : Lewis 
 

Chum

No abundance chart available for Chum.
Biological Objective : Draft Recovery Plan Criteria :
1,300 natural adults298
 
Current Status : Unknown
ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Columbia River 
Major Population Group (MPG) : Cascade 
Population : Lewis 
 

Coho

Biological Objective : Draft Recovery Plan Criteria :
North Fork - 500 natural adults; East Fork - 2,000 natural adults298
 
Current Status : NOSA Estimate
2012: North Fork Lewis River - 2,579 spawners474
2015: Lewis River- 4,360 spawners474
East Fork Lewis River (early and late) - 389 spawners474

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Lower Columbia 
Major Population Group (MPG) : Cascade 
Population : North Fork, East Fork 
 

Coastal Cutthroat

Biological Objective : Subbasin Plan Objective :
None300
 
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 :
North Fork - No Objective; East Fork - 500 natural adults298
 
Current Status : Adult Escapement (natural)
2015: East Fork - 843 adults (natural)122

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Lower Columbia 
Major Population Group (MPG) : Cascade Summer 
Population : North Fork, East Fork 
 

Winter Steelhead

Biological Objective : Draft Recovery Plan Criteria :
North Fork - 400 natural adults; East Fork - 500 natural adults298
 
Current Status : Adult Escapement (natural)
2015: 678 adults (natural)121

ESA Listing Status :    Threatened
Evolutionary Significant Unit (ESU) : Lower Columbia 
Major Population Group (MPG) : Cascade Winter 
Population : North Fork, East Fork 
 

Bull Trout

Biological Objective : Draft Recovery Plan Criteria :
Maintain current distribution, restore distribution to previously occupied areas, and maintain stable or increasing trends in abundance310
 
Current Status : Population Estimate
2015: 697 fish (Swift Reservoir)479

ESA Listing Status :    Threatened