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429 datasets

California Spiny Lobster (Panulirus interruptus), California South Coast MPA Baseline Study, 2012 to 2013

Published by: California Ocean Protection Council
Last updated: Friday, May 8, 2026
File types: PDF, ZIP, CSV

The South Coast Lobster Research Group (SCLRG) was formed in 2011 in response to interest in how MPAs may affect the abundance, size, and behavior of ...

Steelhead Fishing Report and Restoration Card Zones [ds1119] Extended Table

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, May 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The main purpose of the Steelhead Report and Restoration Card program is to monitor, restore, and enhance California’s steelhead resources. The Depart...

California Important Farmland: 1984-2022

Published by: California Department of Conservation
Last updated: Wednesday, May 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

Established in 1982, Government Code Section 65570 mandates FMMP to biennially report on the conversion of farmland and grazing land, and to provide m...

Fall Chinook Escapement - Klamath Basin Watershed

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, May 13, 2026
File types: XLSX, ZIP

Adult salmonid data collected from various areas within the Klamath basin watershed. Various tributaries are monitored using video systems (Bogus Cree...

California All Public Roads Network

Published by: Caltrans
Last updated: Wednesday, May 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Caltrans All Roads Linear Referencing Services (LRS) dataset provides the base geometry for federally required Highway Performance Monitoring Syst...

Surface Water - 2018 California Water Quality Status Report

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 29, 2019
File types: CSV, ZIP

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This second editio...

California Important Farmland Finder

Published by: California Department of Conservation
Last updated: Wednesday, May 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This application provides an easy way to calculate the area and type of Important Farmland in an area of interest.Important Farmland Maps are compiled...

Automated Weather Observation System

Published by: Caltrans
Last updated: Wednesday, May 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer was created from the California Aviation System Plan list of Automated Weather Observation Systems. The upgrades and distribution of Automa...

Vegetation - Lassen Volcanic National Park [ds2959]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, May 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Director of the NPS approved the Natural Resource Challenge in 1999 to encourage national parks to focus on the preservation of the nation’s natur...

Vegetation - Liberty Island - 2012 [ds821]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, May 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This map was digitized using 2010 true-color 1-meter National Agriculture Imagery Program (NAIP) aerial imagery. The minimum mapping unit is 0.25 acre...