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Understanding Russian River Salmonids: Taxonomy, Lifecycle, and Conservation Efforts

This comprehensive overview highlights the four salmonid species found in the Russian River—Chinook, Coho, Steelhead, and Rainbow Trout. It covers taxonomy, life cycles, ecology, run timings, and habitat distribution. Population status assessments reveal trends and conservation needs, including recovery efforts for Chinook, Coho, and Steelhead. This resource aims to educate about these vital fish species, their environment, and the ongoing efforts to support their recovery. Understanding these aspects is crucial for effective management and preservation of salmonid populations.

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Understanding Russian River Salmonids: Taxonomy, Lifecycle, and Conservation Efforts

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  1. Russian River Salmonids Sean White MCRRFC&WCID

  2. Salmonid 101 • Taxonomy • Life cycle • Ecology • Run timing • Distribution • Population status • Recovery Efforts • Questions

  3. Taxonomy • Salmonidae • “Salmonids” • Salmon • Trout • Char • Graylings • Soft rays • Soft scales • Adipose fin • “Marked” • Anadromous

  4. Russian River Species • Chinook Salmon (FT) • King Salmon • Coho Salmon (FE, SE) • Silver Salmon • Steelhead (FT) • Rainbow Trout

  5. Lifecycle and Ecology • Exceptions • Chinook smolt immediately • Coho adults age 3 • Jacks • Carcasses • Steelhead may not die • Anadromous • Sturgeon, striped bass lampreys • Catadromous • Mitten crab

  6. Run TimingHome for the Holidays! Chinook: Halloween to Thanksgiving Coho: Thanksgiving to New Years Steelhead: New Years to Easter

  7. Distribution • Chinook • Mainstem, West Fork, Dry Creek • Coho • Tributaries in the lower river including Willow, Freeze Out, Austin, Dutch Bill, Green Valley and Dry Creek and its Tributaries • Steelhead • Everywhere!!!

  8. Population Status • Chinook • Adults 1500 to 6000 • Part of Coastal Chinook ESU • Coho • Unknown but LOW • Isolated tributary estimates • Part of CCC ESU • Steelhead • Unknown but common • Part of CCC DPS

  9. Recovery Efforts • Chinook (1999) • No Recovery Plan • No supplementation • Coho (1996) • State Recovery Plan • Draft Federal Recovery Plan • Captive Broodstock Program • Steelhead (1997) • No Recovery Plan • Hatchery included in DPS

  10. Questions?

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