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Title: Genetic Analysis of Oncorhynchus Nerka : Life History and Genetic Analysis of Redfish Lake Oncorhynchus Nerka, 1993-1994 Completion Report.

Technical Report ·
DOI:https://doi.org/10.2172/95543· OSTI ID:95543

The study has shown through life history examination and DNA analysis that three forms of O. nerka are present in Redfish Lake. The three forms are closely related, but may be sufficiently different to be considered three separate stocks. Fishhook Creek kokanee are temporally isolated from the beach spawners, and may represent the gene pool most similar to the historic sockeye population that once spawned there. Fishhook Creek offers the best spawning area available in the lake system, and should be considered for use in reestablishing an anadromous Fishhook Creek sockeye swain. The resident beach spawning strain of O. nerka is likewise the most similar genetic form of the companion anadromous beach spawning O. nerka, and needs to be considered the most appropriate genetic source to help minimize reduced fitness of the sockeye from inbreeding.

Research Organization:
Idaho Univ., Moscow, ID (US); Washington State Univ., Pullman, WA (US)
Sponsoring Organization:
US Bonneville Power Administration
DOE Contract Number:
1990BP12885
OSTI ID:
95543
Report Number(s):
DOE/BP-12885-2; ON: DE95017179; TRN: US200515%%1136
Resource Relation:
Other Information: Supercedes report DE95017179; PBD: Oct 1994; PBD: 1 Oct 1994
Country of Publication:
United States
Language:
English