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Filters Date Range Past year (2) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions ArcGIS Service Definition (6) Shapefile (2) Types Downloadable (8) Map Service (8) ArcGIS REST Map Service (6) ArcGIS Service Definition (6) OGC WFS Layer (2) More... Contacts Peter S Coates U.S. Geological Survey - ScienceBase Brianne E Brussee David J Delehanty U.S. Geological Survey, Western Ecological Research Center More... Categories Data (12) Tag Types Place (41) Tags (with Scheme=Common geographic areas) great basin (11) california (3) idaho (3) nevada (3) colorado (2) montana (2) north dakota (2) More... View Results as: JSON ATOM CSV

Fire Response Effects, Biocrust, and Vascular Plant Abundance Following Wildfire near Boise, Idaho (October 2021) Twenty quadrats within the burn perimeter of a September 2021 wildfire outside of Boise, Idaho were surveyed for the abundance of fire effects, biocrusts and vascular plants immediately post-fire. The fire was too small to be named. Char was measured as a proxy for fire intensity. Biocrusts were surveyed by morphogroup (crustose lichens, cup lichens, fruticose lichens, gelatinous lichens, short moss, tall moss) and vascular plants were surveyed by functional group (annual forbs, perennial grasses). Char was measured ocularly and biocrust/plant abundance was measured via point-vertex intercept at 40 points per quadrat. These data support the following publication: Condon, L.A., Shinneman, D.J., Rosentreter, R. and... Categories: Data; Tags: Botany, Great Basin, Idaho, USGS Science Data Catalog (SDC), biota, All tags... botany, community ecology, environment, fires, lichens, mosses, vascular plants, Fewer tags Prediction of raven occurrence intersected with high impact areas for sage-grouse populations in the Great Basin, 2007-2016 (Fig. 5A) Predictions of raven occurrence intersected with high impact areas for sage-grouse populations. The index highlights regions where elevated raven occurrence is likely to impact breeding sage-grouse. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Great Basin, biota, geographic information systems (GIS), geospatial analysis, habitat alteration, All tags... human impacts, occupancy model, predator-prey interactions, sensitive prey, shrublands, wildlife, Fewer tags Raven study site locations in the Great Basin, derived from survey locations 2007 - 2016 Minimum convex polygons created from survey locations at associated study sites. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Great Basin, boundaries, geographic information systems (GIS), geospatial analysis, habitat alteration, All tags... human impacts, occupancy model, predator-prey interactions, sensitive prey, shrublands, wildlife, Fewer tags Genotypes and cluster definitions for a range-wide greater sage-grouse dataset collected 2005-2017 (ver 1.1, January 2023) Monitoring change in genetic diversity in wildlife populations across multiple scales could facilitate prioritization of conservation efforts. We used microsatellite genotypes from 7,080 previously collected genetic samples from across the greater sage-grouse (Centrocercus urophasianus) range to develop a modelling framework for estimating genetic diversity within a recently developed hierarchically nested monitoring framework (clusters). The majority of these genetic samples (n=6560) were used in previous research (Oyler-McCance et al. 2014; Cross et. al 2018; Row et. al. 2018). Genetic diversity values associated with clusters across multiple scales could facilitate the identification of areas with low genetic... Categories: Data; Tags: California, Canada, Colorado, Idaho, Montana, All tags... Nevada, North Dakota, Oregon, Saskatchewan, South Dakota, USGS Science Data Catalog (SDC), Utah, Washington, Wyoming, biota, birds, genetics, greater sage-grouse, microsatellites, western United States, Fewer tags Predictions of raven occurrence in the absence of anthropogenic environmental effects in the Great Basin, 2007-2016 (Fig. 4B) Predictions of raven occurrence in the absence of anthropogenic environmental effects. Raven point counts were related to landscape covariates using Bayesian hierarchical occupancy models and the means of the posterior distributions for relevant effects were used to generate the predictions. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Great Basin, biota, geographic information systems (GIS), geospatial analysis, habitat alteration, All tags... human impacts, occupancy model, predator-prey interactions, sensitive prey, shrublands, wildlife, Fewer tags U.S. range-wide spatial prediction layers of lek persistence probabilities for greater sage-grouse This dataset contains two predictive lek (breeding site) persistence raster layers covering the U.S. greater sage-grouse distribution. In the United States, locations where males display and breed with females (i.e., leks) are often monitored annually by state wildlife agencies, providing valuable information on the persistence of birds in the surrounding areas. A U.S. range-wide lek database was recently compiled for greater sage-Grouse (O’Donnell et al. 2021), providing a standardized source of information to build statistical models to evaluate environmental characteristics associated with lek persistence. The compiled lek database classified a subset of leks as being either active (leks currently used for breeding... Tags: California, Colorado, Ecology, Idaho, Montana, All tags... Nevada, North Dakota, Oregon, South Dakota, USGS Science Data Catalog (SDC), United States, Utah, Washington, Wildlife Biology, Wyoming, biota, greater sage-grouse, lek persistence, Fewer tags Predictions of raven occurrence in the absence of natural environmental effects in the Great Basin, 2007-2016 (Fig. 4A) Predictions of raven occurrence in the absence of natural environmental effects. Raven point counts were related to landscape covariates using Bayesian hierarchical occupancy models and the means of the posterior distributions for relevant effects were used to generate the predictions. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Great Basin, biota, geographic information systems (GIS), geospatial analysis, habitat alteration, All tags... human impacts, occupancy model, predator-prey interactions, sensitive prey, shrublands, wildlife, Fewer tags Data for: A conservation planning tool for greater sage-grouse using indices of species distribution, resilience, and resistance Managers require quantitative yet tractable tools that can identify areas for restoration yielding effective benefits for targeted wildlife species and the ecosystems they inhabit. A spatially explicit conservation planning tool that guides effective sagebrush restoration for sage-grouse can be made more effective by integrating baseline maps describing existing (pre-restoration) habitat suitability, and the distribution and abundance of breeding sage-grouse. Accordingly, we provide two rasters. The first is a floating point raster file informed by lek data, and derived from: 1) utilization distributions weighted by lek attendance, and 2) a non-linear probability of space-use relative to distance to lek. The second... Tags: Bi-State, California, Conservation Planning Tool, Nevada, USGS Science Data Catalog (SDC), All tags... biota, environment, greater sage-grouse, Fewer tags Data from: Broad-scale occurrence of a subsidized avian predator: reducing impacts of ravens on sage-grouse and other sensitive prey Expanding human enterprise across remote environments impacts many wildlife species, including sage-grouse (Centrocercus urophasianus), an indicator species whose decline is at the center of national conservation strategies and land use policies. Anthropogenic resources provide subsidies for generalist predators, potentially leading to cascading effects on sensitive prey species at lower trophic levels. In semi-arid western ecosystems, common ravens (Corvus corax) are expanding in distribution and abundance, and may be negatively affecting sage-grouse reproductive success at broad spatial scales. Ravens are a common predator of sage-grouse nests, and potentially prey on chicks as well. This research aimed to address... Categories: Data; Tags: Great Basin, USGS Science Data Catalog (SDC), Wildlife Biology, biota, geographic information systems (GIS), All tags... geospatial analysis, habitat alteration, human impacts, occupancy model, predator-prey interactions, sensitive prey, shrublands, wildlife, Fewer tags Hierarchical Occupancy Model Code for R and Accompanying Files A hierarchical occupancy model adapted from Royle & Dorazio (2008) and Rota et al. (2011) for use in R. References: Royle, J.A. and Dorazio, R.M., 2008. Hierarchical modeling and inference in ecology: the analysis of data from populations, metapopulations and communities. Academic Press. doi:10.1016/B978-0-12-374097-7.50001-5 J. Andrew Royle, Robert M. Dorazio, Rota, C. T., Fletcher Jr, R. J., Dorazio, R. M. and Betts, M. G. (2009), Occupancy estimation and the closure assumption. Journal of Applied Ecology, 46: 1173-1181. doi:10.1111/j.1365-2664.2009.01734.x Categories: Data; Tags: Great Basin, farming, geographic information systems (GIS), geospatial analysis, habitat alteration, All tags... human impacts, livestock, occupancy model, predator-prey interactions, sensitive prey, shrublands, wildlife, Fewer tags High resolution conifer classification by Population Management Unit (PMU) index and accuracy assessment of Nevada and northeastern California (2017) Nevada and northeastern California conifer features were classified from 2010, 2012, and 2013 NAIP Digital Ortho Quarter Quads (DOQQs) using the Feature Analyst 5.0 extension for ArcGIS 10.1. DOQQs were organized and grouped by Nevada Department of Wildlife Population Management Unit (PMU) locations, plus a 10 km area beyond the PMU extent. The polygons in this file represent dissolved boundaries of NAIP DOQQ polygons that were associated with the nearest PMU that they intersected. Many DOQQs had to be assigned to a PMU manually because they occurred beyond the original PMU boundary or fell along the boundary between two or more PMUs. Larger PMUs, such as Monitor and Quinn, were divided into smaller, more manageable,... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Biota, Conifers, Environment, Great Basin, Land cover, All tags... Trees, biota, environment, Fewer tags Anthropogenic influence on raven occurrence index within sage-grouse concentration areas in the Great Basin, 2007-2016 (Fig. 5B) Predictions of an anthropogenic influence on raven occurrence index intersected with sage-grouse concentration areas. The anthropogenic influence index indicates where resource subsidies are contributing the most to raven occurrence. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Great Basin, biota, geographic information systems (GIS), geospatial analysis, habitat alteration, All tags... human impacts, occupancy model, predator-prey interactions, sensitive prey, shrublands, wildlife, Fewer tags Predicted probability of raven occurrence across the Great Basin, USA, 2007 – 2016 (Fig. 3) Raven point counts were related to landscape covariates using Bayesian hierarchical occupancy models and the mean of the predicted posterior distribution for raven occurrence was used to visualize results. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Great Basin, farming, geographic information systems (GIS), geospatial analysis, habitat alteration, All tags... human impacts, occupancy model, predator-prey interactions, sensitive prey, shrublands, wildlife, Fewer tags Anthropogenic influence index for raven populations in the Great Basin, 2007-2016 (Fig. 4C) An index of anthropogenic influences on raven populations. Raven point counts were related to landscape covariates using Bayesian hierarchical occupancy models and the means of the posterior distributions for relevant effects were used to generate the predictions. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Great Basin, biota, geographic information systems (GIS), geospatial analysis, habitat alteration, All tags... human impacts, occupancy model, predator-prey interactions, sensitive prey, shrublands, wildlife, Fewer tags