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Fire Ignition Probability 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,... -
Forest Raptor Species Richness
Native species richness is estimated based on high suitability reproductive habitat for a given species. Reproductive habitat is used to represent suitability because it is... -
FSH Fine-Scale Heterogeneity Index
A key component of forest structure descriptions is the spatial heterogeneity (i.e., tree clumps and gaps), which influences vegetation growth, competition, and succession,... -
FSH Percent Canopy Cover
This percent canopy cover is intended to be used in combination with the fractal dimension index as a measure of fine-scale heterogeneity. -
Functional Species Richness - Cavity Nesters and Excavators
Functional groups are sets of species that share life history characteristics that perform particular functions within an ecosystem. The six functional groups are represented... -
Functional Species Richness - Herbivores
Functional groups are sets of species that share life history characteristics that perform particular functions within an ecosystem. The six functional groups are represented... -
Functional Species Richness - Insectivores
Functional groups are sets of species that share life history characteristics that perform particular functions within an ecosystem. The six functional groups are represented... -
Functional Species Richness - Predators
Functional groups are sets of species that share life history characteristics that perform particular functions within an ecosystem. The six functional groups are represented... -
Functional Species Richness - Seed Spore Dispersers
Functional groups are sets of species that share life history characteristics that perform particular functions within an ecosystem. The six functional groups are represented... -
Functional Species Richness - Soil Aerators
Functional groups are sets of species that share life history characteristics that perform particular functions within an ecosystem. The six functional groups are represented... -
Giant Sequoia Stands
The population of giant sequoia ( Sequoiadendron giganteum [SEGI]) trees is an irreplaceable heritage to be studied, protected, and preserved as it faces increased threats from... -
Gold-Spotted Borer Presence and Rate of Spread
Tree mortality and other forest damage is detected by annual aerial surveys over forested lands by state and federal agency staff. The primary purpose of the aerial survey is to... -
Groundwater Basin Boundaries
This dataset shows the boundaries of groundwater basins and subbasins as defined by the California Department of Water Resources as last modified by the Basin Boundary Emergency... -
Heavy Fuels
Emissions (on which the modeled PFIRS and Smoke Spotter smoke plumes are based, and which are generated by the BlueSky Playground) are especially sensitive to changes in the... -
Herbaceous Cover Ratio
Total herbaceous cover as measured by the fFractional non-overlapping absolute herbaceous cover, viewed vertically. Provides a first order measure of vegetation type when... -
Hermes Copper Butterfly Range
This is a dataset representing the boundaries for the Hermes copper butterfly ( Lycaena hermes ) as understood by the United States Fish and Wildlife Service. This species is... -
Hispanic and Latino Population Concentration - Central CA
Relative concentration of the Central California region's Hispanic/Latino population. The variable HISPANIC records all individuals who select Hispanic or Latino in response to... -
Hispanic and Latino Population Concentration - Northern CA
Relative concentration of the Northern California region's Hispanic/Latino population. The variable HISPANIC records all individuals who select Hispanic or Latino in response to... -
Hispanic and Latino Population Concentration - Sierra Nevada
Relative concentration of the Sierra Nevada region's Hispanic/Latino population. The variable HISPANIC records all individuals who select Hispanic or Latino in response to the... -
Hispanic and Latino Population Concentration - Southern CA
Relative concentration of the Southern California region's Hispanic/Latino population. The variable HISPANIC records all individuals who select Hispanic or Latino in response to...