"A study of smallmouth bass in the Umpqua River System was initiated in 1987 and continued in 1988. Results of that work were reported in a progress report. The study was continued in 1990 after a one-year lapse. This report summarizes results of the work conducted in 1990. Objectives of this portion of the study were: 1. Estimate exploitation of smallmouth bass in the Umpqua River. 2. Assess movement of smallmouth bass in the Umpqua River. 3. Obtain additional information about smallmouth bass predation on salmonids if the effort did not interfere with meeting objectives 1 and 2." (from the Introduction, p.1)
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