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Perennial and Intermittent Streams
USGS National Hydrography Dataset (NHD): Flowline is the fundamental flow network consisting predominantly of stream/river and artificial path vector features. It represents the... -
CWHR Vegetation - Density
Vegetation maps are important for characterizing many important features of a landscape such as wildlife habitat, fuels conditions, forest composition, and carbon. Such data are... -
CWHR Vegetation - Size
Vegetation maps are important for characterizing many important features of a landscape such as wildlife habitat, fuels conditions, forest composition, and carbon. Such data are... -
CWHR Vegetation - Type
Vegetation maps are important for characterizing many important features of a landscape such as wildlife habitat, fuels conditions, forest composition, and carbon. Such data are... -
Protected Activity Centers (PAC)
The USDA Forest Service designates a 300-acre protected activity center (PAC) around each known nesting area or activity center. PACs are a USFS land allocation designed to... -
FIA Forest Types
Managers work with forest types for a variety of purposes and knowing the major forest type of a target location helps to assess the best suited treatment for the site. The F3... -
Statewide Crop Mapping
Land IQ was contracted by DWR to develop a comprehensive and accurate spatial land use database for the 2021 water year [WY 2021]. The primary objective of this effort was to... -
Ignition Cause -1992-2020 - All Causes
The original point layer (WildfireOccurrence_CA_1992_2020.shp ) contains a spatial database of wildfires that occurred in the United States from 1992 to 2020. It is the fifth... -
Ignition Cause -1992-2020 - Human Cause
These rasters depict the predicted human- and lightning-caused ignition probability for the state of California. Ignition is regulated by complex interactions among climate,... -
Fire Ignition Probability Lightning Cause
These rasters depict the predicted human- and lightning-caused ignition probability for the state of California. Ignition is regulated by complex interactions among climate,... -
Fire Return Interval Departure (Frid) - Time Since Last Fire
Time Since Last Fire (TSLF), from the Fire Return Interval Departure (FRID) map, provides information (in years) to indicate the length of time since an area last burned.