Status & Trends in the Cowlitz Subbasin (Lower Columbia Province) |
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Fall Chinook |
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| Biological Objective : |
Draft Recovery Plan Criteria :
Natural Adults
Upper Cowlitz - no objective; Lower Cowlitz - 3,000; Toutle - 4,000; Coweeman - 900 298
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| Current Status : |
NOSA Estimate
2015:
Toutle River - 440 spawners474
Coweeman River - 1,430 Adults474
2013:
Upper Cowlitz River - 3,287 spawners474
Lower Cowlitz River - 3,587 Adults474
Juvenile Outmigrants
2017: 32,459 juveniles474
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| ESA Listing Status : |
Threatened |
| Evolutionary Significant Unit (ESU) : |
Lower Columbia |
| Major Population Group (MPG) : |
Cascade Fall |
| Population : |
Lower Cowlitz, Upper Cowlitz, Toutle, Coweeman |
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Spring Chinook |
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| Biological Objective : |
Draft Recovery Plan Criteria :
Natural Adults
Upper Cowlitz - 1,800; Cispus - 1,800; Tilton - No Objective; Toutle - 1,100 298
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| Current Status : |
NOSA Estimate
2014: 227 spawners (natural)474
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| ESA Listing Status : |
Threatened |
| Evolutionary Significant Unit (ESU) : |
Lower Columbia |
| Major Population Group (MPG) : |
Cascade Spring |
| Population : |
Upper Cowlitz, Cispus, Tilton, Toutle |
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Chum |
| No abundance chart available for Chum. |
| Biological Objective : |
Draft Recovery Plan Criteria :
Fall Run - 900 natural adults; Summer Run - 900 natural adtuls 298
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| Current Status : |
9 adults collected at Cowlitz Salmon Hatchery 513
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| ESA Listing Status : |
Threatened |
| Evolutionary Significant Unit (ESU) : |
Columbia River |
| Major Population Group (MPG) : |
Cascade |
| Population : |
Cowlitz |
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Coho |
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| Biological Objective : |
Draft Recovery Plan Criteria :
Natural Adults
Lower Cowlitz - 3,700; Coweeman - 1,200; South Fork Toutle = 1,900; North Fork Toutle - 1,900; Upper Cowlitz - 2,000; Cispus - 2,000; Tilton - No objective 298
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| Current Status : |
NOSA Estimate
2012: Tilton River (early) - 2,744 spawners474
2013: North Fork Toutle River (early and late) - 1,425 spawners474
2015: Lower Cowlitz(late) - 5,132 spawners474
Upper Cowlitz(early and late) - 381 spawners474
Coweeman (late) - 767 spawners474
South Fork, Toutle River (early and late) - 1,537 spawners474
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| ESA Listing Status : |
Threatened |
| Evolutionary Significant Unit (ESU) : |
Lower Columbia |
| Major Population Group (MPG) : |
Cascade |
| Population : |
Lower Cowlitz, Coweeman, South Fork Toutle, North Fork Toutle, Upper Cowlitz, Cispus, Tilton |
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Winter Steelhead |
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| Biological Objective : |
Draft Recovery Plan Criteria :
Natural Adults
Lower Cowlitz - 400; Coweeman - 500; South Fork Toutle - 600; North Fork Toutle - 600; Upper Cowlitz - 500; Cispus - 500; Tilton - 200 298
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| Current Status : |
NOSA Estimate
2015: Upper Cowlitz River - 151 adults 474
2013: Tilton River - 445 spawners474
Adult Escapement (natural)
2015: 940 adults (natural) 111
2014:
Cowlitz River - 24 spawners 111
Green River - 310 spawners 111
Juvenile Outmigrants
2017: 11,567 juveniles474
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| ESA Listing Status : |
Threatened |
| Evolutionary Significant Unit (ESU) : |
Lower Columbia |
| Major Population Group (MPG) : |
Cascade Winter |
| Population : |
Lower Cowlitz, Coweeman, South Fork Toutle, North Fork Toutle, Upper Cowlitz, Cispus, Tilton |
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