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599 datasets

Interagency Ecological Program: Discrete water quality and phytoplankton data from the Sacramento River floodplain and Yolo Bypass tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998 - 2022

Published by: California Department of Water Resources
Last updated: Monday, May 4, 2026
File types: DATA

The Yolo Bypass Fish Monitoring Program (YBFMP) operates a rotary screw trap and fyke trap and conducts biweekly beach seine and lower trophic surveys...

Nearshore Rocky Reefs and Kelp Forests, California North Coast MPA Baseline Study, 2014 to 2015

Published by: California Ocean Protection Council
Last updated: Friday, May 1, 2026
File types: PDF, ZIP, CSV, XML

Here we provide one of the first systematic, “snapshot” surveys of the entire North Coast Study Region, from the Oregon border to the headland at Poin...

Surface Water - Freshwater Harmful Algal Blooms

Published by: California State Water Resources Control Board
Last updated: Tuesday, May 5, 2026
File types: PDF, CSV

Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...

California Water Rights Measurement Devices (Reported in Annual Report)

Published by: California State Water Resources Control Board
Last updated: Friday, August 29, 2025
File types: CSV, XLSX, DOCX, PDF

This list includes detail information about the measurement devices and measurement methods associated with the diversion and storage of water as repo...

Site Establishment Survey - Terrestrial Species Stressor Monitoring [ds2831]

Published by: California Department of Fish and Wildlife
Last updated: Monday, May 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The TSM study areas were the USDA-defined Great Valley (GV) and Mojave Desert (MD) ecoregions, truncated to California state boundaries. A grid of hex...

Microplastic and Microparticle Data from Surface Water: San Francisco Bay and Adjacent Sanctuaries

Published by: California Ocean Protection Council
Last updated: Friday, May 1, 2026
File types: XLSX, PDF

The San Francisco Estuary Institute and 5 Gyres completed a comprehensive regional study of microplastic pollution of a major urban estuary and adjace...

Mule Deer Migration Corridors - Jawbone Ridge - 2009-2015 [ds2896]

Published by: California Department of Fish and Wildlife
Last updated: Monday, May 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This project was initiated by the CDFW Central Region and was conducted on a portion of the Tuolumne herd that migrate to the Jawbone Ridge flats in t...

Positive Detection Breeding Bird Survey Route Stops - USGS [ds2800]

Published by: California Department of Fish and Wildlife
Last updated: Monday, May 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

To create this dataset, a few of the datasets available online were combined. The "50-StopData", "SpeciesList", and "routes" were used and joined toge...

California Collaborative Fisheries Research Program

Published by: California Ocean Protection Council
Last updated: Friday, May 1, 2026
File types: PDF, ACCDB

From 2007-2016, CA Collaborative Fisheries Research Program (CCFRP) scientists and fishermen have conducted hook-and-line surveys within three Central...

Sandy Beach Ecosystems, California South Coast MPA Baseline Study, 2011 to 2013

Published by: California Ocean Protection Council
Last updated: Friday, May 1, 2026
File types: PDF, ZIP, CSV

Sandy beaches are among the most intensely used coastal ecosystems for human recreation and are vitally important to coastal economies. Beaches suppor...