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Steelhead status in Idaho – 2012 Update

Steelhead status in Idaho – 2012 Update. Dworshak 1972. Hells Canyon 1967. Lower Granite Dam. So what’s new since the last meeting?. Spillway passage at all dams Expanded sampling at Lower Granite Dam of smolts and adults Proportion wild, clipped hatchery, unclipped hatchery

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Steelhead status in Idaho – 2012 Update

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  1. Steelhead status in Idaho – 2012 Update

  2. Dworshak 1972 Hells Canyon 1967

  3. Lower Granite Dam

  4. So what’s new since the last meeting? • Spillway passage at all dams • Expanded sampling at Lower Granite Dam of smolts and adults • Proportion wild, clipped hatchery, unclipped hatchery • Age composition • GSI on wild stocks. Can now report wild abundance by reporting group not just the total return to LGR • Ability to use PBT to identify hatchery fish • Transitioning to PBT based sampling for harvest estimates in sport and tribal fisheries BYRNE Use of PIT-tags for management.pptx

  5. Hatchery Run-timing at Bonneville Dam

  6. Steelhead return to Lower Granite Dam

  7. Proportion of wild Steelhead at Lower Granite Dam

  8. Snake and Salmon drainages--Steelhead fishing area

  9. Clearwater drainage--Steelhead fishing area

  10. Steelhead harvest in Idaho since 2002

  11. Idaho Steelhead harvest in 2010 and 2011 2010 2011

  12. Comparison of Chinook and Steelhead sport harvestChinook harvest includes jacks

  13. Yearly Angler effort (days fished)

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