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Yakima River Species Interactions Studies Annual Report: 1990

Description: Studies of species interactions were implemented to address concerns about the possible effects of supplementation (with anadromous species) on resident fish populations in the upper Yakima River basin. The current study objectives include collection of baseline information on the fish populations in the upper Yakima River and associated tributaries. As part of this baseline phase, spawning surveys of the upper Yakima River and thirteen selected tributaries between Roza and Keechelus dams were initiated during the spring of 1990. This report summarizes the results of field activities conducted from December, 1989 to June, 1990.
Date: February 1991
Creator: Hindman, James N.
Partner: UNT Libraries Government Documents Department