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Northern California DPU Steelhead Critical Habitat
The Northern California Distinct Population Unit (DPU) of Steelhead Trout ( Oncorhynchus mykiss) is a threatened species. This distinct population segment, or DPS, includes... -
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... -
Fire Return Interval Departure (Frid) - Mean Percent - Since 1970
Percent FRID (PFRID) quantifies the extent in percentage to which recent fires (i.e., since 1970) are burning at frequencies similar to those that occurred prior to Euro-... -
Standing Dead and Ladder Fuels
This is the material that may burn at the extreme end of the spectrum and contribute to mass fire behavior (Stephens et al., 2022), especially during crown spread type events.... -
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... -
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... -
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... -
Precipitation Minus Actual Evapotranspiration During Avg Conditions
Runoff is a measure of the water available for storage. It is determined by both the water supply and the demand of the existing vegetation. Annual mean runoff measures 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... -
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... -
Open Range 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... -
Hispanic and or Black, Indigenous or People of Color (Hspbipoc) Population...
Relative concentration of the Northern California region's Hispanic and/or Black, Indigenous or person of color (HSPBIPOC) population. The variable HSPBIPOC is equivalent to all... -
Northern CA Cost of Potential Treatments - Biomass Treatment Cost High
This metric represents cost of potential treatments for the Northern California region and is dependent on predefined treatments or silvicultural prescriptions, which are best... -
Black and African American 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... -
Wildfire Hazard Potential August 2022
Wildfire Hazard Potential (WHP) is an index that quantifies the relative potential for wildfire that may be difficult to control. WHP can be used as a measure to help prioritize... -
Pacific Marten Suitable Habitat
The Pacific martin is a species of special concern, but it is not federally, or state listed at the present time. It is identified as a focal species by Region 5 of the US... -
Quino Checkerspot Butterfly
These data identify, in general, the areas of Final critical habitat for Euphydryas editha quino (Quino checkerspot butterfly). This species is listed as an endangered species... -
Sierra Nevada - Large Tree Density - > 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... -
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... -
Total Fuel Exposed to Fire
This is the sum of standing dead, ladders, and the dead and down, documented above. This metric quantifies the total amount of biomass available to contribute to the extreme...