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Filtering by: Subject Microsomes -- Effect of chemicals on Decade 1960-1969

Reduction of salmonid predators by chemical treatment

Creator:

Reeher, James A., Hewkin, James A., West, Duane C., and Oregon. State Game Commission. Fishery Division

Abstract:

The upper drainage of the John Day River system produces summer steelhead and spring chinook salmon. The fish are generally confined to the main stem and its tributaries above Prairie City. The spawning and rearing areas are comparatively free of undesirable fish species, but salmonid smolts migrating downstream must travel...

Resource Type:

Technical Report

Full Text:

large squawfish with liquid rotenone and to evaluate the effect on the spring outmigration of steelhead