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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