200750600 - Chiwawa River Adult Spring Chinook Otolith Study

Sponsor: Wild Fish Conservancy (formerly Washington Trout)

Short description: Analyze microchemistry of otoliths from post-spawn adult spc to determine location of pre-smolt overwintering habitats

Location: Columbia Cascade province, Wenatchee subbasin

Budgets: FY08: $11,592 | FY09: $36,321

Primary species:
Anadromous: Chinook: Upper Columbia River Spring ESU (endangered)


ObjectiveDescriptionSubbasin planStrategies
Evaluate utility of otolith microchmistry analysis Evaluate the ability of microchemical analysis of otoliths of post-spawn Chiwawa R. adult spring chinook to identify distinct juvenile overwintering life history types. Wenatchee



  • ISRP: Unranked
  • Council: Not fundable
  • BPA: Not fundable