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Science Friday: Certain genetic families survive better in hatcheries and might help explain why hatchery steelhead do poorly in nature

In Science Friday by Nick Chambers

Spring is here and we’ve got a real shot of warm weather on the West Coast. Certainly, spawning steelhead appreciate the ecological effects of this boost in thermal energy.   Last week we reviewed a recent paper on repeat spawning in steelhead in the Hood River, Oregon. This week, we return to the Hood to look at another paper out …

Science Friday: What is introgression?

In Science Friday by Nick Chambers

For this edition of Science Friday, we continue to define terms used in studies that evaluate hatchery steelhead (and often other species of salmon and trout). Last week we defined fitness and discussed how it is measured and why it is important to understanding the biology of steelhead. This week we take another step into the deeper end of the …