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INTRODUCTION The Oregon Department of Fish and Wildlife (ODFW) has completed two years of a proposed three-year study to inventory fall chinook (Oncorhynchus tshawytscha) spawning habitat in Oregon's coastal rivers. Funding for this study was made available through the US-Canada Letter of Agreement (LOA) and is administered by the Chinook Technical(More)
Brook trout (Salvelinus fontinalis) and rainbow trout (Oncorhynchus mykiss) have been widely introduced outside their respective ranges within North America causing declines and displacement of native trout. Yet, successful coexistence of native and non-native trout has received little attention. Here we evaluated the effect of introduced brook trout on the(More)
Table 3. Summary table of South Fork Coos River fall chinook spawner escapement estimates with confidence intervals, bias and precision estimates. Table 4. Sex and age composition of fall chinook spawners in the South Fork Coos River system. Table 5. Fate of chinook salmon tagged with radio transmitters at the Dellwood trap on the South Fork Coos River,(More)
This report provides an assessment of the status of adult anadromous salmonids inhabiting coastal basins of Oregon. Status is monitored through spawning surveys. Species or races monitored through these surveys are fall chinook salmon (Oncorhynchus tshawytscha), coho salmon (O. kisutch), chum salmon (O. keta) and steelhead (O. mykiss). Assessments cover(More)