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2025 WY Studies
McCloud River Winter-run Surrogates
Stanislaus River wild steelhead, Fall releases
Stanislaus River wild steelhead, Fall USFWS releases
Georgiana Slough Barrier Hatchery late-fall Chinook - December
Seasonal Survival Hatchery Chinook salmon
Sacramento River Hatchery steelhead
Georgiana Slough Barrier Hatchery late-fall Chinook - January
Hatchery winter-run salmon
Georgiana Slough Barrier Hatchery late-fall Chinook - February
Mill/Deer Creek wild steelhead, spring releases
Hatchery Feather River spring-run
Georgiana Slough Barrier Hatchery fall Chinook - April
Sacramento River Chinook salmon Net Pen Imprinting Study
Sacramento River Spring Pulse Flow study
2025 SEASON SUMMARY
Archived Studies
2018 Water Year
Hatchery late-fall-run salmon
Hatchery winter-run salmon
Butte Creek wild spring-run salmon
Mill/Deer Creek wild spring-run salmon
Sacramento River wild Chinook salmon
Mokelumne hatchery fall-run salmon
Nimbus hatchery fall-run salmon
Wild green sturgeon
2019 Water Year
Hatchery late-fall-run salmon
Hatchery winter-run salmon
Deer Creek wild spring-run salmon
Fall Deer Creek wild steelhead
Wild green sturgeon
Butte Creek wild spring-run salmon
Battle Creek jump-start winter-run
Hatchery San Joaquin spring-run
Hatchery Feather River spring-run
Hatchery fall-run net-pen paired release
Hatchery fall-run Yolo bypass release
Hatchery fall-run Chinook salmon May Release
Spring Deer Creek wild steelhead
Mill Creek wild steelhead
2019 SEASON SUMMARY
2020 Water Year
Wild green sturgeon
Hatchery late-fall-run salmon
Mill/Deer Creek wild salmon, fall releases
Mill/Deer Creek wild steelhead, fall releases
Hatchery winter-run salmon
Battle Creek jump-start winter-run
Rice field reared hatchery fall-run
Hatchery San Joaquin spring-run
Hatchery Feather River spring-run
Mill/Deer Creek wild salmon, spring releases
Mill/Deer Creek wild steelhead, spring releases
Hatchery fall-run Chinook salmon May Release
Wild Putah Creek Chinook salmon
Wild Putah Creek Sacramento pikeminnow
2020 SEASON SUMMARY
2021 Water Year
Hatchery late-fall-run salmon
Hatchery winter-run salmon
Battle Creek jump-start winter-run
Hatchery Feather River spring-run
San Joaquin River steelhead March Releases
San Joaquin River steelhead April Releases
Hatchery fall-run paired release
Mill/Deer Creek wild steelhead, spring releases
Butte Creek wild spring-run salmon
Hatchery fall-run Chinook salmon May Release
Natural-origin Red Bluff RST captured Chinook salmon releases
San Joaquin River steelhead May Releases
Hatchery and wild Feather River fall-run
Wild Putah Creek Chinook salmon
Wild Putah Creek Sacramento pikeminnow
Mokelumne Hatchery fall-run Chinook salmon
Hatchery San Joaquin spring-run
Natural-origin San Joaquin spring-run
2021 SEASON SUMMARY
2022 Water Year
Seasonal Survival Hatchery Chinook salmon
Hatchery winter-run salmon
San Joaquin River steelhead March Releases
San Joaquin River steelhead April Releases
Battle Creek jump-start winter-run
Rice field reared hatchery fall-run
San Joaquin hatchery spring-run
Hatchery fall-run paired release
Natural-origin Red Bluff RST captured Chinook salmon
Upper Sacramento spring-run surrogates
Mill/Deer Creek wild steelhead, spring releases
Lower Yuba Chinook salmon
Mokelumne Hatchery fall-run Chinook salmon
Ocean-caught adult Chinook salmon
2022 SEASON SUMMARY
2023 Water Year
Seasonal Survival Hatchery Chinook salmon
Mill/Deer Creek wild steelhead, fall releases
Hatchery winter-run salmon
Battle Creek jump-start winter-run
Rice field reared juvenile fall-run Chinook salmon
Rice field reared yearling late-fall-run Chinook salmon
Butte Creek wild spring-run salmon
Stanislaus River wild steelhead
Feather River Hatchery spring-run salmon
Sacramento River Spring Pulse Flow study
Feather River Hatchery fall-run salmon
Upper Sacramento Spring-run Surrogates
American River Hatchery fall-run Chinook salmon
Mokelumne River Hatchery fall-run Chinook salmon
Lower Yuba Chinook salmon
Ocean-caught adult Chinook salmon
2023 SEASON SUMMARY
2024 Water Year
McCloud River Winter-run Surrogates
Stanislaus River wild steelhead, Fall releases
Seasonal Survival Hatchery Chinook salmon
Georgiana Slough Barrier Hatchery late-fall Chinook - December
Georgiana Slough Barrier Hatchery late-fall Chinook - January
Georgiana Slough Barrier Hatchery late-fall Chinook - February
Hatchery winter-run salmon
Hatchery steelhead Exports Effects
San Joaquin River steelhead March Releases
Mill/Deer Creek wild steelhead, spring releases
Stanislaus River wild steelhead, Spring releases
Butte Creek wild spring-run salmon
San Joaquin River steelhead April Releases
Upper Sacramento Spring-run Surrogates
Sacramento River Spring Pulse Flow study
Feather River Hatchery spring-run salmon
Georgiana Slough Barrier Hatchery fall Chinook - April
San Joaquin River steelhead May Releases
Mokelumne River Hatchery fall-run Chinook salmon
Mokelumne River Pulse Flow Study
American River Hatchery fall-run Chinook salmon
Natural-origin Red Bluff RST captured Chinook salmon
Wild Putah Creek Chinook salmon
Ocean-caught adult Chinook salmon
2024 SEASON SUMMARY
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For questions or comments, please contact
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