Dataset Detail
Dataset: Adult Summer Steelhead Strays Found in the Willamette River Basin (Oregon)
| Project: Resolving uncertainties in Myxobolus cerebralis introduction and establishment risks | |
| Dataset Abstract: Recovery information and identifying marks for stray anadromous salmon collected in the Willamette River, Oregon. | |
| Significance of Results: Numbers of stray salmonids found during this two-year period were much higher than in the previous decades. | |
| Relevance to Managers: Although the straying frequency for steelhead was higher than expected, none of these fish had detectable M. cerebralis infection and therefore are not likely to have originated from the enzootic area. If we assume this stray rate and origin is representative of strays in other years, the likelihood of introducing M. cerebralis as a result of stray adult salmonids is low. However, if it were to occur, its probability is higher in the Santiam River subbasin as the majority of stray fish were recovered in this area. | |
| Utility to Researchers: This dataset could be useful for between year comparisons of stray rates and origins. | |
| Questions Generated: Why do stray rates vary between years? | |
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