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2013 Membership Meeting

Category: Events | Posted by: Jonathan | 7/17/13 | Comments: 1

Summary: Join us in Seattle for the annual WSC Membership Meeting and BBQ with a presentation by Seattle City Light Biologist Dave Pflug who will be presenting the key findings from a study that researched the effects of hatchery steelhead production on wild steelhead populations within the Skagit River Basin.

WSC Membership Meeting 2013Membership Meeting and BBQ

July 31, 2013, 6 PM

Graham Visitor Center | University of Washington Arboretum


In 2008 the Skagit River System Cooperative (SRSC) was awarded a grant to research the effects of hatchery steelhead production on wild steelhead populations within the Skagit River Basin. The study team also involved fisheries biologists from Seattle City Light.

The study objectives included:

  • Genetic study tasks related to interbreeding of hatchery and wild steelhead stocks in the Skagit River basin
  • Behavioral study tasks related to hatchery steelhead smolt predation rates on wild steelhead fry, habitat interaction, outmigration behavior patterns, and habitat use overlaps between hatchery and wild steelhead within the Skagit River basin
  • Statistical analysis tasks using existing steelhead population dynamics data related to whether differences exist in wild steelhead survival rate trends between watersheds with varying degrees of hatchery steelhead influence

Dave Pflug, Senior Fisheries Biologist with Seattle City Light will present the key findings of the study report that was issued this spring.

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