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Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Jason Tack U.S. Fish and Wildlife Service Joseph Moore Bailee Eikill Tait Ronningen More... Categories Data (9) Tag Types theme (9) Resource Type (9) Status (9) Harvest Set (7) dataset (1) Tag Schemes None (1) scopecode (1) View Results as: JSON ATOM CSV

Sagebrush Bird Cores Overlay with Annual Herbaceous We developed spatial overlays (i.e., “threat matrices”) by combining spatial models of threats (30-m x 30-m pixels) with multispecies cores for sagebrush obligate bird abundance (1-mi2 hexagons). Spatial information was retained in the overlays for three categories of bird core areas (70, 50, and 25%) in the No to Low category of threat classification, and for the 70% bird core area (inclusive of the 50% and 25% cores) for the highest three categories of threat classification (No to Low, Moderate, High, and Very High). For the WGA Annual Herbaceous layer, the four categories were 0-10, 11-25, 26-50, and > 50% cover. Categories: Data; Tags: Cheatgrass, Complete, Data, Data.gov USFWS Science Applications, SageDAT-data, All tags... Sagebrush Biome, Sagebrush Obligate Birds, Sagebrush SHC, USFWS Legacy Region 6, Fewer tags Brewer's Sparrow Core Areas These data represent multispecies core areas for breeding habitats of greater sage-grouse (Centrocercus urophasianus), Brewer’s sparrow (Spizella breweri), sagebrush sparrow (Artemisiospiza nevadensis), and sage thrasher (Oreoscoptes montanus). Core areas represent the smallest land base necessary to contain the resulting distributions across all species; for example, a 25% core area represents the minimum area containing at least 25% of the distributions for each of the four species. These models were developed using prioritzR (https://prioritizr.net/index.html) using minimum set algorithms and relative targets set equally across each of the four bird layers. Categories: Data; Tags: Brewer's Sparrow Core Areas, Brewer's Sparrow Core Areas, Data, Data.gov USFWS Science Applications, SageDAT-data, All tags... completed, dataset, Fewer tags Importance of regional variation in conservation planning: a rangewide example of the Greater Sage-Grouse We developed rangewide population and habitat models for Greater Sage-Grouse (Centrocercus urophasianus) that account for regional variation in habitat selection and relative densities of birds for use in conservation planning and risk assessments. We developed a probabilistic model of occupied breeding habitat by statistically linking habitat characteristics within 4 miles of an occupied lek using a nonlinear machine learning technique (Random Forests). Habitat characteristics used were quantified in GIS and represent standard abiotic and biotic variables related to sage-grouse biology. Statistical model fit was high (mean correctly classified = 82.0%, range = 75.4–88.0%) as were cross-validation statistics (mean... Categories: Data; Tags: Complete, Data, Greater Sage-Grouse, SageDAT-data, West Wide Pinyon Jay Core Areas These data represent core areas for breeding habitats of pinyon jay (Gymnorhinus cyanocephalus). Core areas represent the smallest land base necessary to contain the resulting distributions across all species; for example, a 25% core area represents the minimum area containing at least 25% of the distributions for the species. These models were developed using prioritzR (https://prioritizr.net/index.html) using minimum set algorithms and relative targets set equally across each of the four bird layers. Categories: Data; Tags: Data, Data.gov USFWS Science Applications, Pinyon Jay Core Areas, SageDAT-data, completed Pinyon Jay 70% Core Areas These data represent core areas for breeding habitats of pinyon jay (Gymnorhinus cyanocephalus). Core areas represent the smallest land base necessary to contain the resulting distributions across all species; for example, a 70% core area represents the minimum area containing at least 70% of the distributions for the species. These models were developed using prioritzR (https://prioritizr.net/index.html) using minimum set algorithms and relative targets. Categories: Data; Tags: Data, Pinyon Jay Core Areas, SageDAT-data, completed Sagebrush Bird Cores Overlay with RAP Tree We developed spatial overlays (i.e., “threat matrices”) by combining spatial models of threats (30-m x 30-m pixels) with multispecies cores for sagebrush obligate bird abundance (1-mi2 hexagons). Spatial information was retained in the overlays for three categories of bird core areas (70, 50, and 25%) in the No to Low category of threat classification, and for the 70% bird core area (inclusive of the 50% and 25% cores) for the highest three categories of threat classification (No to Low, Moderate, High, and Very High). For the RAP Tree Canopy layer, the four categories were 0-1, 2-10, 11-20, and > 20% cover. Categories: Data; Tags: Complete, Confier, Data, Data.gov USFWS Science Applications, RAP Tree, All tags... SageDAT-data, Sagebrush Biome, Sagebrush Obligate Birds, Sagebrush SHC, USFWS Legacy Region 6, Fewer tags Sage Thrasher Core Areas These data represent core areas developed from models predictive of relative abundance for sagebrush obligate species. Cores represent the minimum area necessary to encompass the concomitant proportion of the species total abundance; for example, a 25% core represents minimum area necessary to encompass 25% of the total predicted relative abundance for a species. Spatial models were developed using stop-level Breeding Bird Survey count data (BBS) and spatially-referenced covariates including landcover, climate, topographic, and fire variables measured at scales from 120m to 6.4km. All models were fit using random forests. Categories: Data; Tags: Data, Data.gov USFWS Science Applications, Sage Thrasher Core Areas, SageDAT-data, completed Sagebrush Bird Core Areas These data represent multispecies core areas for breeding habitats of greater sage-grouse (Centrocercus urophasianus), Brewer’s sparrow (Spizella breweri), sagebrush sparrow (Artemisiospiza nevadensis), and sage thrasher (Oreoscoptes montanus). Core areas represent the smallest land base necessary to contain the resulting distributions across all species; for example, a 25% core area represents the minimum area containing at least 25% of the distributions for each of the four species. These models were developed using prioritzR (https://prioritizr.net/index.html) using minimum set algorithms and relative targets set equally across each of the four bird layers. Categories: Data; Tags: Data, Data.gov USFWS Science Applications, Data.gov USFWS Science Applications, SageDAT-data, Sagebrush Bird Core Areas, All tags... completed, Fewer tags Sagebrush Sparrow Core Areas These data represent core areas developed from models predictive of relative abundance for sagebrush obligate species. Cores represent the minimum area necessary to encompass the concomitant proportion of the species total abundance; for example, a 25% core represents minimum area necessary to encompass 25% of the total predicted relative abundance for a species. Spatial models were developed using stop-level Breeding Bird Survey count data (BBS) and spatially-referenced covariates including landcover, climate, topographic, and fire variables measured at scales from 120m to 6.4km. All models were fit using random forests. Categories: Data; Tags: Data, Data.gov USFWS Science Applications, SageDAT-data, Sagebrush Sparrow Core Areas, completed