This report identifies the rearing origin of coho salmon (wild, hatchery yearling, or hatchery accelerated) spawning in Oregon coastal streams and at hatchery broodstock collection facilities. Determine the age composition and length at age of chinook salmon in Oregon coastal index streams. Determine the age composition of chum salmon spawning in Tillamook Bay and Nestucca River tributaries. Provide scale analysis support to other research and management projects. Maintain scale archives.
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