Annual IEP Workshop

Announcement of the 2025 IEP workshop and opening of registration on February 3, 2025.

The annual workshop is an informal event held each spring for sharing new research results that advance science important to IEP and the larger Delta science community. The workshop features invited speakers, interactive sessions with principal investigators, a poster session, and a mentor luncheon for early career professionals.

2025 IEP Annual Workshop

March 4-6, 2025 at California Natural Resources Headquarters (715 P Street, Sacramento)

Workshop FAQs Area Guide

The workshop will be a FREE, hybrid event (in-person and remote). Separate registration is required for both in-person and remote attendance.

IEP Scientific Presentations and Posters Training Course

Training Course Registration Form

A training course on preparing scientific presentations and posters will be held February 7, 2025 from 1:00 p.m. to 2:30 p.m. This training is 100% remote and free and is open to anyone who is interested. Registration is required.

Workshop Registration - Opens February 3!

See below for information on how to register for the in-person workshop and remote attendance. No registration is needed to view the posters on the 2nd floor in rooms 2-221 B-C.

Registration for In-Person Attendance

In-Person Attendance Only: EventBrite Registration (opens February 3)

  • This registration is for in-person attendance only (i.e. watch the live presentations in the CNRA auditorium).
  • You'll need to register for each day of the workshop you want to attend (e.g., Tuesday, March 4, Wednesday, March 5, or Thursday, March 6).
  • Registration is on a first-come, first-serve basis.
  • Registration closes February 21 or once all the tickets are gone, whichever comes first.

Registration for Remote Attendance

Remote Attendance Only: Zoom Registration (opens February 3)

  • This registration is for remote attendance only (i.e., watch the live stream of the presentations).
  • You only need to register once. The Zoom link will be good for the entire workshop period (March 4-6, 2025).
  • A Zoom link will be emailed to registrants. The link is specific to the registered user, so don't share with others.
  • Registration for remote attendance via Zoom will remain open through the end of the workshop.

Workshop Agenda - Draft Session Titles

Tuesday, March 4, 2005

  • Welcome & Session 1: Plenary Talk - The Law of the Delta (Guest Speaker Karrigan S. Bork, UC Davis)
  • Session 2: Let's Shake Things Up: Redesigning Monitoring
  • Session 3: New Monitoring & Expansions
  • Session 4: Muddy Waters, Clear Goals: Restoring Wetland Ecosystems
  • Session 5: Poster Session (2nd floor, Rooms 2-221 B-C)

Wednesday, March 5, 2025

  • Session 6: Plenary 2 - Regulatory Panel Discussion (Guest Speakers from State Water Board, CA Department of Fish and Wildlife, U.S. Fish and Wildlife Service, and the National Marine Fisheries Service)
  • Session 7: Flow and Physical Processes
  • Session 8: Fish Modeling
  • Session 9: Environmental Stressors on Salmon and Smelt
  • Session 10: Poster Session (2nd floor, Rooms 2-221 B-C)

Thursday, March 6, 2025

  • Session 11*: Food Webs and Predation
  • Session 12: Management and Policy
  • Session 13: Phytoplankton and HABs (Part I)
  • Session 14: Phytoplankton and HABs (Part II)

* The Delta Cyanobacteria Harmful Algal Bloom Workgroup will be holding their annual meeting concurrently with Session 11 on the 2nd floor. Contact Tricia Lee for more information.

Early Career Mentor Luncheon Registration

The Early Career Luncheon connects new and early career students and professionals with researchers, managers, and practitioners who are more familiar with the issues, priorities, and educational and professional opportunities within the Bay-Delta. If you are interested in participating as a mentor or mentee, check out the details below and register to participate by January 24, 2025!

Early Career Luncheon Registration Form

  • Where: IEP Workshop, California Natural Resources Building, 715 P Street, Sacramento
  • When: Tuesday, March 4, 12:25 p.m. to 1:25 p.m.
  • Who: 30 (total) mentees and mentors

Direct questions to one of the Luncheon Chairs: Kristi Arend (kristin_arend@fws.gov) or Vivian Peck (vivian_peck@fws.gov).

Workshop Volunteers Needed!

Volunteers are the backbone that allow the workshop to run efficiently and smoothly. We need mic runners, timekeepers, and others. Volunteer registration ends February 21, 2025. One benefit of volunteering is automatic in-person registration for the day you volunteer! Minimum time commitment is 1/2 day.

Volunteer Registration Form

Got questions? Contact one of the Volunteer Chairs: Jessica Falcon (jessica_falcon@fws.gov) or Tim Malinich (Timothy.Malinich@wildlife.ca.gov).

Early Career Award Judges

Each year an award is given to an early career scientist with the Best Presentation and the Best Poster. Volunteer judges are needed to evaluate participating early career award candidates' presentations and posters. Interested in being a judge? Registration opens in February.

Contact the Awards Chair, Ted Flynn (Ted.Flynn@water.ca.gov) if you have questions.

Workshop Recordings

The 2025 IEP Annual Workshop presentations will be recorded (excluding presentations where presenters have not provided permission) and shared after the workshop recordings are available. The recording will be housed on the California Department of Fish and Wildlife's YouTube Channel (videos) under the IEP Workshops 2025 Playlist.

Past Workshops

2024 Annual Workshop

The 2024 Annual IEP Workshop took place at the California Natural Resources Agency (CNRA) headquarters building (715 P Street, Sacramento) from April 23-25. Below are materials from the workshop:

Recordings of the Data Management Training Course and the 3-day IEP Workshop will be housed on the CDFW YouTube channel under the IEP Playlist.

2023 Annual Workshop

The 2023 Annual IEP Workshop took place at the California Natural Resources Agency (CNRA) Headquarters building (715 P Street, Sacramento, CA) from March 21-24. Below are materials from the workshop:

Recordings of the 3-day IEP Workshop are housed on the CDFW YouTube channel under the IEP Workshops 2023 Playlist (videos).

2022 Annual Workshop

The 2022 IEP Annual Workshop took place as a virtual Zoom Webinar event that was held from March 22 - 24.

The workshop was recorded and the session videos were posted on YouTube for viewing until June 30, 2022.

2021 Annual Workshop

The 2021 IEP Annual Workshop was a track within the 11th Biennial Bay-Delta Science Conference. Registration of the event was managed by the Delta Stewardship Council. The theme of the conference was "Building Resilience through Diversity in Science". With presenter permission, selected talk recordings have been made available on the Bay Delta Science conference platform. The IEP Track Session and presentations were the following:

Tuesday, April 6, 2021 IEP Special Session

The Value of Long-Term Biological Monitoring in the San Francisco Estuary Moderator: Jim Hobbs, CDFW

  • The Value of Long-Term Monitoring of the San Francisco Estuary for Delta Smelt and Longfin Smelt - Speaker: Trishelle Tempel, CDFW
  • The Influence of Environmental Conditions in Long Term Fish Abundance Data - Speaker: James White, CDFW
  • Invasion of the Water Board Snatchers: Tridentiger Trends from the San Francisco Bay Study and Summer Townet Survey - Speaker: Timothy Davis Malinich, CDFW
  • Fish Food, Outflow, and Management Implications: The Values of Long-term Zooplankton Monitoring in the SFE - Speaker: Arthur Barros, CDFW
  • The Value of Long-Term Zooplankton Monitoring for Detecting Impacts of the Suisun Marsh Salinity Control Gate Managed Flow Action - Speaker: Christina Burdi, CDFW

Wednesday, April 7, 2021 IEP Session

Success at Different Trophic Levels: Gaining Insight from Nutrients to Otoliths Moderator: Stephanie Fong, CDFW

  • A View from the Landscape Scale: Using Spatial Variation of Nutrients and Phytoplankton Across the Delta to Identify Underlying Biogeochemical Processes - Speaker: Brian Bergamaschi, USGS
  • Nine Years of Flow Pulses: A Synthesis of Water Quality, Plankton Subsidies and Fish Communities in the North Delta - Speakers: Brittany Davis, DWR; Laura Twardochleb, DWR
  • I'm Not That Shallow - Surprising Similarity in Zooplankton Communities Collected at Different Depths Near Wetland Restoration Sites - Speaker: Rosemary Hartman, DWR
  • Every Cog and Wheel: Understanding the Importance of Genomic Diversity in Central Valley Chinook Salmon - Speaker: Mariah Meek, Michigan State University
  • Years in Their Ears: What Can Fish Earbones Tell Us About Spring-run Chinook Salmon Success in an Increasingly Volatile Climate? - Speaker: Flora Cordoleani, UC Santa Cruz/NOAA

Thursday, April 8, 2021 IEP Session

Fish Habitat Spatial Arrangements: Experience from Across the Estuary and Beyond Moderator: Christine Joab, CDFW

  • Four Decades of Juvenile Fish Responses to Hydroclimate: Advancing a State-Space Modeling Approach in the San Francisco Estuary - Speaker: Denise Colombano, UC Berkeley
  • Space Jam: A Spatially Explicit History of Estuary Fish Species - Speaker: Dylan Stompe, UC Davis
  • Suisun Marsh on the Edge of Resilience in an Era of Rapid Change - Speaker: John Durand, UC Davis
  • Differences Between Surface and Bottom Temperatures in the Upper San Francisco Estuary: Implications for Temperature Refugia - Speaker: Brian Mahardja, US Bureau of Reclamation
  • Investigating Longfin Smelt Utilization of Coastal Estuaries North of the San Francisco Estuary - Speaker: Colin Brennan, ICF

Friday, April 9, 2021 IEP Session

Using Aquatic Surveys for Estimation and Communication: Bias, Quantification, and Display  Moderator: Steve Culberson, IEP Lead Scientist

  • Relative Catchability Bias Among Sampling Gears for Fish Species within the San Francisco Estuary - Speaker: Brock Huntsman, USGS
  • Let's Stop Guessing: Using Quantitative Tools Developed During Long-term Monitoring Review to Evaluate Survey Regime Alterations - Speaker: Jereme Gaeta, CDFW
  • Quantifying Changes in Gear Efficiency to Reduce Bias in Estimating Long-term Abundance Trends - Speaker: Bryan Matthias, US Fish and Wildlife Service
  • Real Time Tidal Excursion Mapping and Constituent Tracking, Fishery Surveys and Tools to Support Tidally Influenced Pelagic Habitat Identification - Speaker: David Osti, 34 North
  • Web Based Approaches to Fisheries Data Communication - Speaker: Tom Pham, UC Santa Cruz/NOAA

2020 Annual Workshop

The 2020 IEP Annual Workshop took place remotely on Zoom as individual sessions that were held from August 25 through October 3, 2020.

2019 Annual Workshop

The 2019 IEP Annual Workshop was held at the Lake Natoma Inn on March 5 through March 7, 2019.

2025 Workshop Organizers

Rosemary Hartman (DWR): Chair
Rosemary.Hartman@water.ca.gov

Adam Nanninga (FWS): Co-Chair
Adam_Nanninga@fws.gov

Workshop Announcements

Sign up to receive notifications on the annual workshop.

Subscribe

Workshop Questions

Contact us

Participants in the CNRA Auditorium at the 2023 IEP Workshop.
Workshop presentation in the CNRA auditorium. CDFW photo.
Participants in the poster room at the 2023 IEP Workshop.
Workshop participants attending the poster session. CDFW photo.