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Density - All Trees Per Acre >1" Dbh
Trees per acre (TPA) is a common forest structure measurement that provides a useful index of forest and habitat condition. Many other metrics can be derived from having... -
Northern Goshawk Suitable Habitat
The Northern goshawk is a species of special concern to the US Forest Service, but it is not federally, or state listed at the present time and has therefore been identified as... -
Drought Sensitivity
This layer represents an estimation of the probability that drought will substantially impact post-fire shrub recovery, potentially leading to vegetation type conversion to... -
American Indian or Alaska Native Race Alone and Multi-Race Population...
Relative concentration of the Southern California region's American Indian population. The variable AIAN_ALN_AND_MULTIRACEAIANALN includes BOTH individuals who select American... -
Biomass Residues
This raster layer represents forest residues for the state of California in 2018. It was developed by the Schatz Energy Research Center as part of the C-BREC (California Biomass... -
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... -
Hispanic and or Black, Indigenous or People of Color (Hspbipoc) Population...
Relative concentration of the Sierra Nevada region's Hispanic and/or Black, Indigenous or person of color (HSPBIPOC) population. The variable HSPBIPOC is equivalent to all... -
California Spotted Owl (CSO) Suitable Habitat
California spotted owl is continuously distributed on the western slope of the Sierra and inhabits elevations ranging from roughly 1,000 to over 7,000 feet. It is a Region 5... -
Multi-Race, Except Part-American Indian Pop. Concentration - Sierra Nevada
The Relative concentration of the Sierra Nevada region's population that identifies as "Multiracial", EXCEPT those with part-American Indian identity, in response to the Census... -
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... -
Shrub Resiliency; Number of Disturbance Events Per 15 Year Intervals Since 1975
Count of short return interval fires (within 15 years) across southern CA (1950-2019) that can be used to identify sites that have experienced frequent fire (e.g. more than one... -
Sierra Nevada - Large Tree Density - 24" - 30" Dbh
Large trees are important to forest managers for multiple reasons: they have a greater likelihood of survival from fire; they are an important source of seed stock; they provide... -
Marbled Murrelet Critical Habitat
This data layer depicts lands designated as critical habitat under section 4 of the Endangered Species Act for the Marbled Murrelet in California. Critical habitat is the... -
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... -
Multi-Race, Except Part-American Indian Pop. Concentration - Central CA
The Relative concentration of the Central California region's population that identifies as "Multiracial", EXCEPT those with part-American Indian identity, in response to the... -
Fire Return Interval Departure (Frid) - Mean Percent - Since 1908
This metric, mean percent FRID, is a measure of the extent to which contemporary fires (i.e., since 1908) are burning at frequencies similar to the frequencies that occurred... -
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... -
Central CA - Large Tree Density > 30" Dbh
Large trees are important to forest managers as they have a greater likelihood of survival from fire, provide sources of seed stock, wildlife habitat, and contribute to other... -
Seral Stage Distribution
The seral stages are categories that represent the developmental progression of forest ecosystems from initial establishment or following a stand replacing event (e.g., high... -
Annual Biomass Data (2001-2021) - Belowground Live Biomass 2001
Biomass estimates for shrubland-dominated ecosystems in southern California have, to date, been limited to national or statewide efforts which can underestimate the amount of...