Status & Trends in the Tucannon Subbasin (Columbia Plateau Province) |
|
Fall Chinook |
|
Biological Objective : |
Subbasin Plan Objective : 14,300 Natural adults314 2,000 adults315
Recovery Plan Criteria : 3,000 natural adults (entire population) 286
|
Current Status : |
Adult Counts
2011: 2,044 adults81
Redd Counts (mixed)
2011: 302 redds (mixed)196
|
ESA Listing Status : |
Threatened |
Evolutionary Significant Unit (ESU) : |
Snake River |
Major Population Group (MPG) : |
Snake River |
Population : |
Snake River |
|
|
|
Spring Chinook |
|
Biological Objective : |
Subbasin Plan Objective : 2,000 natural adults104 3,000 total adults315,314
Recovery Plan Criteria : 750 natural adults 286
|
Current Status : |
NOSA Estimate
2017: 49 spawners 474
Redd Counts (mixed)
2014: 124 redds 82
|
ESA Listing Status : |
Threatened |
Evolutionary Significant Unit (ESU) : |
Snake River |
Major Population Group (MPG) : |
Lower Snake River |
Population : |
Tucannon |
|
|
|
Summer Steelhead |
|
Biological Objective : |
Subbasin Plan Objective : 948 natural-origin adults315 600 adults (existing habitat conditions) and 2,200-3,400 (future) adult escapement315 2,200 adults314 3,400 adults315
Recovery Plan Criteria : 1,000 natural spawners286
|
Current Status : |
Adult Escapement (natural)
2007: 137 spawners (natural)149
Juvenile Outmigrants
2017: 20,391 juvenile474
|
ESA Listing Status : |
Threatened |
Evolutionary Significant Unit (ESU) : |
Snake River |
Major Population Group (MPG) : |
Lower Snake River |
Population : |
Tucannon |
|
|
|
Bull Trout |
|
Biological Objective : |
Draft Recovery Plan Criteria : 1,000 adults512
|
Current Status : |
Redd Counts
2011: 143 redds 83
|
ESA Listing Status : |
Threatened |
|
|
|
|