Winter Instability Flows Presentation Recordings 2/5/2026: Leveraging the Infrastructure of a Highly Modified Ecosystem to Support the Migrations of an Imperiled Species , Cyril Michel, Southwest Fisheries Science Center/UC Santa Cruz

Structured Decision Making 2022-2023 Egg-to-Fry Structured Decision Making Egg-to Fry Value of Information Interim Report: Influence Diagram and Qualitative Analysis To Advance Structured Decision-Making

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2024 Events Sacramento River Science Partnership 2024 Annual Workshop Habitat Restoration for Chinook Salmon Juvenile Rearing in the Upper Sacramento River November 7, 2024: Restoration Site Visit in the Upper Sacramento River Restoration Site Visit Itinerary November 8, 2024: In-Person Workshop SRSP Workshop Agenda View the Workshop Presentations here: https://youtu.be/LFcwUcu04Ao Collaboratory for Equity in Water Allocation (COEQWAL) Webinar - May 22, 2024 Presented by Theodore Grantham, UC Berkeley COEQWAL Final Agenda Sacramento River Fish Trends SRSP Science Webinar - March 29, 2024 2024 Fish Trends Final Agenda Fish Trends presentation files Winter-run Chinook Carcass and Redd Surveys - Methods, Analysis, & Results Red Bluff Trapping Counts, RSTs, and Winter-run Chinook JPE Summary - 2023 Results Interim Winter-run Chinook Genetic Analysis - Sac Trawl, Chipps Trawl, and SWP/CVP Salvage Genetic Analysis Summary of Outmigration Survival through the Sacramento River & Telemetry Studies - Preliminary Analysis Fall-run Chinook Salmon Escapement Adult Upstream Salmon Migration Fish Trends presentation recordings Opening Remarks and Winter-run Chinook Carcass and Redd Surveys Red Bluff Trapping Counts, RSTs, and Winter-run Chinook JPE Summary Interim Winter-run Chinook Genetic Analysis Summary of Outmigration Survival through the Sacramento River & Telemetry Studies Fall-run Chinook Salmon Escapement Adult Upstream Salmon Migration Please email info@sacriverscience.org to be added to the event notification list.

2026 Events Sacramento River Science Partnership Annual Meeting Condition and Survival of Outmigrating Juvenile Salmonids in the Sacramento River February 6, 2026: In-Person Meeting SRSP Workshop Agenda: View the 2025 Annual Meeting Presentations Recording: SRSP 2025 Annual Meeting - YouTube Annual Fish Trends Meeting Wednesday, April 1, 2026 1:00 PM - 4:00 PM Register here: Meeting Registration - Meeting Registration - Zoom Agenda forthcoming Please email info@sacriverscience.org to be added to the event notification list.

Science Plan • SRSP Science Plan September 2020 • SRSP Science Activities

2023 Events SRSP 2023 Fall Workshop Drought To Deluge: Using The Victorian Objectives To Plan For Variable Water Years In The Upper Sacramento River October 26, 2023: Workshop Materials Meeting Agenda Managing Water for a Drought: Lessons from Victoria, Australia Breakout Group Materials Recording to the Full Day Workshop: https://www.youtube.com/watch?v=HsPO1Xm95e4 SRSP Spring 2023 Annual Workshop Upper Sacramento River 2022 Urgent Salmon Actions & Drought Actions March 10, 2023 Meeting Agenda Meeting Recording Investigations into the emergence of widespread thiamine deficiency in California Salmon (Rachel Johnson, SWFSC) Prevention and Treatment for Thiamine Deficiency Complex at California Hatcheries (Kevin Kwak, CDFW) Sacramento River Science Partnership Workshop: Thiamine Deficiency Complex Management Actions 2023 (Brian Ellrott, NMFS) The McCloud River Pilot Project 2022 (Matt Johnson, CDFW) Monitoring of Spring-run Chinook Translocated into Clear Creek (Sam Provins, USFWS) Adult Salmon Translocation (Brian Krempasky, USFWS) Reconnecting Winter run Chinook salmon to ancestral waters: monitoring reintroduction to the McCloud River (Rachel Johnson, SWFSC) Hatchery Production of Winter-Run Chinook Salmon (Kevin Niemela, USFWS) Livingston Stone National Fish Hatchery (Derek Rupert, Reclamation) Hatchery Actions and Drought Response (Bob Clarke, USFWS) Hatcheries and Long Term Recovery of Central Valley Chinook Salmon (Amanda Cranford, NMFS) Annual Fish Trends Meeting - Webinar Sacramento River Fish Trends February 24, 2023 SRSP 2023 Fish Trends Agenda Recording of SRSP 2023 Fish Trends Meeting Winter-run Chinook Salmon in the Sacramento River in 2022 - Doug Killam, CDFW 2022 RBDD RST Summary of Results - Bill Poytress, USFWS-RBFWO Winter-run Chinook Salmon Population Analysis 2016, 2020 and 2021 - Scott Blankenship, Cramer Fish Sciences ITAG activities and juvenile spring-run Chinook salmon survival through the Sacramento River - Flora Cordoleani, Jeremy Notch - SWFSC/UC Sant Cruz Impacts of artificial light at night on predator-prey interaction and juvenile salmon survival - Cyril Michel, SWFSC Please email info@sacriverscience.org to be added to the event notification list.

Join Us There are several opportunities to collaborate with the Partnership. Attend science-sharing events , including quarterly science webinars and annual science workshops. Visit the Events page for more information on recent and upcoming events. Participate in an ad-hoc group. The Partnership occasionally forms small groups to help with tasks such as planning science-sharing events or developing science activities. Become a member. Membership is open to those who meet the following eligibility criteria: Are resource agencies, NGOs, coalitions of constituents of the Sacramento River, academic research institutions. Membership will not include private consultants and private organizations. Manage or work on issues related to the Sacramento River and its fisheries and water management. Represent a credible voice in the Sacramento River community of resource managers and scientists. Sign the SRSP Charter. Commit to participate in Partnership and Science Subcommittee meetings and ad-hoc groups as appropriate. If you are interested in engaging with us or becoming a member, please email info@sacriverscience.org .

2022 Events 2022 Temperature Modeling Webinar November 4, 2022 CVP Water Temperature Modeling Platform Project – Randi Field Evaluating Water Temperature Modeling and Prediction in the Sacramento River Basin: Meteorological Forcings – Andy Wood NOAA Southwest Fisheries Science Center Temperature Modeling – Eric Danner et al. Shasta Lake Flow and Temperature Modeling: CE-QUAL-W2 – Mike Deas TCD Selective Withdrawal – Alexander Forrest et al. Temperature Modeling Webinar, November 4, 2022 (recording) 2022 Upper Sacramento Urgent Salmon Actions Science-Sharing Webinar September 22, 2022 SRSP Science-Sharing Webinar Agenda SRSP Science-Sharing Webinar Video: https://www.youtube.com/watch?v=z5e8e0R8Ya4 2022 Presentation to Science Subcommittee Application of spatial explicit drift foraging model to characterize enhanced forging habitat for juvenile Chinook salmon in a restored side channel complex (Sean Luis, Cramer Fish Sciences) April 15, 2022 View Presentation here View Recording here: https://youtu.be/3uUFIEfld5w 2022 Fish Trends Webinar Upper Sacramento River Monitoring – Josh Israel Winter Run Chinook Salmon in Upper Sacramento River in 2021 – Doug Killam SRSP 2022 Fish Trends Meeting Summary of Results: 2021 RBDD RST – Bill Poytress Mechanisms, impacts, and mitigation for thiamine deficiency in Central Valley salmon – Rachel C. Johnson Update on Mill and Deer Creek spring-run Chinook populations, recovery actions, and current research – Matthew R. Johnson Connecting Species Recovery Actions and Effects – Scott Blankenship Spring Outmigration Survival through the Sacramento River – Jeremy Notch 2022 Bioenergetics Modeling Presentations to Science Subcommittee January 13, 2022 Quantification of Thermal Impacts Across Freshwater Life Stages to Improve Temperature Management of Anadromous Salmonids (Alyssa FitzGerald, SWFSC/NMFS/UCSC) Fitting Growth Models to CV Chinook Data (Peter Dudley, SWFSC/NMFS/UCSC) View a recording here: https://www.youtube.com/watch?v=nfTtHru96Sg Please email info@sacriverscience.org to be added to the event notification list.

Steelhead at Coleman Hatchery 6x4 Salmon eggs 6x4 Adult CV spring-run Chinook 6x4 Steelhead at Coleman Hatchery 6x4 1/19 Steelhead at Coleman Hatchery 6x4 Salmon eggs 6x4 Adult CV spring-run Chinook 6x4 Steelhead at Coleman Hatchery 6x4 1/19 Steelhead at Coleman Hatchery Salmon Eggs Adult Central Valley Spring-Run Chinook Steelhead at Coleman Hatchery 1/19

Winter-run Chinook Salmon Brood Year Assessments Brood Year 2021 Winter-Run Chinook Salmon Operations and Monitoring Assessment Brood Year 2020 Winter-Run Chinook Salmon Operations and Monitoring Assessment Brood Year 2019 Winter-Run Chinook Salmon Operations and Monitoring Assessment