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Northern California Winter Steelhead Distribution
Winter Steelhead Distribution June 2012 Version This dataset depicts observation-based stream-level geographic distribution of anadromous winter-run steelhead trout,... -
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... -
Northern Spotted Owl Changes in Suitable Habitat, 1993-2022
These data track changes in Northern spotted owl habitat suitability from 1993-2022. The primary purpose of this ongoing monitoring is to track changes in habitat that could be... -
Northern Spotted Owl Habitat; Topo-Climatic Fire Refugia
Maps that represent the relative probability of fire refugia generated from an empirical model trained on the aggregate history (1985-2019) of wildfire severity, topographical... -
Northern Spotted Owl Nesting and Roosting Forest Cover Type Suitability Index
This is a measure, expressed as a relative index (0-1), of suitability (or similarity) of forest structure and composition for Northern Spotted Owl (NSO) ( Strix occidentalis... -
Northern Spotted Owl Suitable Habitat
These data are derived using analysis described in Glenn et al. (2017). The authors have **** developed a landscape-scale model to predict the distribution and density of the... -
Nuttall'S Woodpecker Suitable Habitat
This layer shows highly suitable habitats for the reproduction and feeding of Nuttall's Woodpecker ( Dryobates nuttallii ) within the species' range. -
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... -
Pacific Fisher (North Coast) Predicted Habitat
This layer shows the predicted probability of Pacific fisher ( Pekania pennanti ) occurrence or potential habitat quality. This species is found in the Northern California and... -
Pacific Fisher Suitable Habitat
The Pacific fisher population in the southern Sierra is federally listed **** as a threatened population and resides primarily on National Forest System lands. Habitat... -
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... -
Peninsular Bighorn Sheep
These data identify, in general, the areas where the final revised critical habitat for the Peninsular bighorn sheep ( Ovis canadensis nelsoni ) occurs. This subspecies is only... -
Percent Impervious Surface
This National Land Cover Database (NLCD) product represents urban impervious surfaces as a percentage of developed surface over every 30-meter pixel of California, extracted... -
Potential Avoided Smoke Production Index
This is an index of how much less smoke (as defined by PM2.5 emissions) would be produced from a given pixel by burning under moderate fire weather conditions rather than the... -
Potential Total Smoke Production Index
This metric is an index of the potential smoke production (represented by particulate matter that is 2.5 microns or less in diameter, or PM2.5) that could be emitted for a given... -
Poverty
Percent of population living below two times the federal poverty level. The U.S. Census Bureau determines the federal poverty level each year. The poverty level is based on the... -
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... -
Present Day Connectivity in California (Omniscape)
This data represents a wall-to-wall characterization of regional habitat connectivity potential in California for plant and animal species whose movement is inhibited by... -
Probability of Fire Severity (High)
These metrics represent the probability of low, moderate, or high severity fire, respectively, as constructed by Pyrologix LLC. Operational-control probability rasters indicate... -
Probability of Fire Severity (Low)
These metrics represent the probability of low, moderate, or high severity fire, respectively, as constructed by Pyrologix LLC. Operational-control probability rasters indicate...