Status & Trends in the Lewis Subbasin (Lower Columbia Province) |
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Fall Chinook |
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Biological Objective : |
Draft Recovery Plan Criteria : 1,500 natural adults298
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Current Status : |
NOSA Estimate
2015: 4,360 spawners 474
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ESA Listing Status : |
Threatened |
Evolutionary Significant Unit (ESU) : |
Lower Columbia |
Major Population Group (MPG) : |
Cascade Fall |
Population : |
Lewis |
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Late Fall Chinook |
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Biological Objective : |
Draft Recovery Plan Criteria : 7,300 natural adults298
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Current Status : |
NOSA Estimate
2015: 23,614 spawners 474
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ESA Listing Status : |
Threatened |
Evolutionary Significant Unit (ESU) : |
Lower Columbia |
Major Population Group (MPG) : |
Cascade Late Fall |
Population : |
Lewis |
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Spring Chinook |
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Biological Objective : |
Draft Recovery Plan Criteria : 1,500 natural adults298
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Current Status : |
Adult Escapement (natural)
2014: 428 adults 508
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ESA Listing Status : |
Threatened |
Evolutionary Significant Unit (ESU) : |
Lower Columbia |
Major Population Group (MPG) : |
Cascade Spring |
Population : |
Lewis |
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Chum |
No abundance chart available for Chum. |
Biological Objective : |
Draft Recovery Plan Criteria : 1,300 natural adults298
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Current Status : |
Unknown
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ESA Listing Status : |
Threatened |
Evolutionary Significant Unit (ESU) : |
Columbia River |
Major Population Group (MPG) : |
Cascade |
Population : |
Lewis |
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Coho |
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Biological Objective : |
Draft Recovery Plan Criteria : North Fork - 500 natural adults; East Fork - 2,000 natural adults298
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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
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ESA Listing Status : |
Threatened |
Evolutionary Significant Unit (ESU) : |
Lower Columbia |
Major Population Group (MPG) : |
Cascade |
Population : |
North Fork, East Fork |
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Coastal Cutthroat |
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Biological Objective : |
Subbasin Plan Objective : None300
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Current Status : |
Unknown
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ESA Listing Status : |
Species of Concern |
Evolutionary Significant Unit (ESU) : |
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Major Population Group (MPG) : |
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Population : |
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Summer Steelhead |
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Biological Objective : |
Draft Recovery Plan Criteria : North Fork - No Objective; East Fork - 500 natural adults298
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Current Status : |
Adult Escapement (natural)
2015: East Fork - 843 adults (natural)122
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ESA Listing Status : |
Threatened |
Evolutionary Significant Unit (ESU) : |
Lower Columbia |
Major Population Group (MPG) : |
Cascade Summer |
Population : |
North Fork, East Fork |
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Winter Steelhead |
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Biological Objective : |
Draft Recovery Plan Criteria : North Fork - 400 natural adults; East Fork - 500 natural adults298
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Current Status : |
Adult Escapement (natural)
2015: 678 adults (natural)121
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ESA Listing Status : |
Threatened |
Evolutionary Significant Unit (ESU) : |
Lower Columbia |
Major Population Group (MPG) : |
Cascade Winter |
Population : |
North Fork, East Fork |
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Bull Trout |
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Biological Objective : |
Draft Recovery Plan Criteria : Maintain current distribution, restore distribution to previously occupied areas, and maintain stable or increasing trends in abundance310
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Current Status : |
Population Estimate
2015: 697 fish (Swift Reservoir)479
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ESA Listing Status : |
Threatened |
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