Search results

10 datasets

Estimated Inundation Periods in the Yolo Bypass, 1998 – 2022

Published by: California Department of Water Resources
Last updated: Thursday, September 24, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...

Interagency Ecological Program: Monitoring of water quality, phytoplankton, zooplankton, clams, and Delta Smelt to support the Summer-Fall Suisun Marsh Salinity Control Gates Action 2018-2024

Published by: California Department of Water Resources
Last updated: Friday, September 25, 2026
File types: CSV (EXTERNAL DOWNLOAD), PDF, HTML

The Suisun Marsh Salinity Control Gates (SMSCG) have the potential to increase low-salinity-zone habitat for endangered Delta Smelt (Hypomesus transpa...

Interagency Ecological Program: Fish catch and associated water quality for the Fall Midwater Trawl Survey, Sacramento-San Joaquin Delta, 1967-2024

Published by: California Department of Fish and Wildlife
Last updated: Friday, September 25, 2026
File types: CSV (EXTERNAL DOWNLOAD), R, PDF, PNG, HTML

The Interagency Ecological Program’s (IEP) Fall Midwater Trawl Survey (FMWT) is a long-term monitoring survey conducted by the California Department o...

Fish Restoration Program Monitoring - San Joaquin Delta [ds2802]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, September 24, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Fish catch, invertebrate catch, and water quality data from the Sacramento-San Joaquin Delta collected by the Fish Restoration Monitoring Program, 201...

Delta Smelt Formalin Fixation and Preservation Effects on Fish Weight and Length

Published by: California Department of Fish and Wildlife
Last updated: Friday, September 25, 2026
File types: CSV (EXTERNAL DOWNLOAD), HTML

Natural history museum specimen are invaluable for a variety of conservation and ecological applications. Fishes are commonly preserved in formalin; h...

Temperature Thresholds for Aquatic Species in the Sacramento San-Joaquin Delta

Published by: California Department of Water Resources
Last updated: Friday, September 25, 2026
File types: CSV (EXTERNAL DOWNLOAD), PDF, HTML

The effects of increasing water temperature on species in the Sacramento San-Joaquin Delta is of growing importance for conservation and resource mana...

Interagency Ecological Program Zooplankton Study

Published by: California Department of Fish and Wildlife
Last updated: Friday, September 25, 2026
File types: CSV (EXTERNAL DOWNLOAD), PDF, HTML

The Zooplankton Study was implemented in 1972 to assess food resources available to fish in the upper San Francisco Estuary (SFE). Mandated by the Sta...

Interagency Ecological Program: San Francisco Bay Study Survey for Fish and Mobile Crustaceans 1980-2025

Published by: California Department of Fish and Wildlife
Last updated: Friday, September 25, 2026
File types: CSV (EXTERNAL DOWNLOAD), PDF, HTML

The San Francisco Bay Study (Bay Study) was established in 1980 to determine the effects of freshwater outflow on the abundance and distribution of fi...

Interagency Ecological Program: Data for Synthesis for Ecological Impacts of Drought in the Upper San Francisco Estuary, 1975-2021

Published by: California Department of Water Resources
Last updated: Friday, September 25, 2026
File types: CSV (EXTERNAL DOWNLOAD), PDF, HTML

These data were collected for the special issue on Drought in the Sacramento-San Joaquin Delta published in San Francisco Estuary and Watershed Scienc...

Interagency Ecological Program San Francisco Estuary Larval Entrainment Study (LES)

Published by: California Department of Fish and Wildlife
Last updated: Friday, September 25, 2026
File types: CSV (EXTERNAL DOWNLOAD), R, HTML

Fish entrainment into California's State Water Project (SWP) and Central Valley Project (CVP) has been a source of mortality for native osmerid specie...