Annual IEP Workshop

The informal event is 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, poster sessions, and mentoring luncheon.

2023 IEP Annual Workshop

When: March 21-24, 2023

Where: California Natural Resources Agency (CNRA) Headquarters at 715 "P" Street, Sacramento, CA

What: Hybrid format (in-person attendance and live stream for remote participants)

  • March 21-23: traditional live presentation talks in the CNRA Auditorium (8:30 a.m. to 5:00 p.m.)
  • March 21-23: poster session on the 2nd floor (Conference rooms 2-221 A-C)
  • March 21: Early Career Luncheon for students and early career scientists (separate registration required)
  • March 24: workshop training courses (separate registration required)

Registration Links & Other Information

The in-person workshop registration is closed. Registration remains open for remote viewing.
Registration for the Workshop is FREE.

  • In-Person Workshop Registration is Closed
  • Remote Workshop Registration Only: Zoom Remote IEP Workshop Registration
    • Don't share your Zoom registration link with others. It is unique to each registrant. 
    • Zoom link is good for all 3 days of the workshop. Only register once.

Workshop Program Materials:

Early Career Luncheon: Tuesday, March 21 from 12:30 p.m. to 2:00 p.m. at the CNRA Headquarters

  • Registration is closed.
  • This event is available for students and early career scientists (<5 years in career).
  • This is an opportunity to discuss career aspirations with a career professional.
  • The State Water Contractors will be providing lunch to registered participants.
  • Seating is limited. Registration is required to attend the luncheon.

IEP Training Courses: Friday, March 24 from 9:00 a.m. to 12:00 p.m. at the CNRA Headquarters

Interested in receiving updates on the workshop? Subscribe to our email notification list.

Past Workshops

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.