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This dataset consists of short-term (~33 years) shoreline change rates for the north coast of Alaska between the Colville River and Point Barrow. Rate calculations were computed within a GIS using the Digital Shoreline Analysis System (DSAS) version 4.3, an ArcGIS extension developed by the U.S. Geological Survey. Short-term rates of shoreline change were calculated using a linear regression rate-of-change method based on available shoreline data between 1979 and 2012. A reference baseline was used as the originating point for the orthogonal transects cast by the DSAS software. The transects intersect each shoreline establishing measurement points, which are then used to calculate short-term rates.
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Project Synopsis: Raven control (removal) efforts of varying intensity have been carried out around lambing grounds in Lincoln, Sweetwater, Uinta, and Carbon counties in Wyoming by United States Department of Agriculture/Wildlife Services (WS). This has provided a unique opportunity to study the potential effects of raven removal on sage-grouse nest success. Increased anthropogenic development (energy development and urbanization) may have a negative impact on sage-grouse nesting success and productivity as a result of increased raven populations and raven depredation of sage-grouse nests. Structures associated with anthropogenic development may provide perches that ravens need to forage or ravens may be drawn...
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Project Synopsis: This 2-year project will replace 4 strand barbed wire fence with 3 or 4 pole buck rail fence or 3 strand barbed wire with a top wooden rail at critical sections of the boundary of Fossil Butte National Monument (FOBU) (8,198 acres). FOBU's current fence is constructed using 4 strands of barbed and barbless wire on steel t-posts. A good share of it does not meet the standards recommended for wildlife friendly fence. This project would correct this deficiency in many of the critical areas where wildlife cross the monument boundary. Fossil Butte is within Wyoming's core sagegrouse area, contains winter range for elk and summer range for pronghorn and mule deer. No grazing is permitted within...
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Greater sage-grouse ( Centrocercus urophasianus; hereinafter, sage-grouse) are a sagebrush obligate species that has declined concomitantly with the loss and fragmentation of sagebrush ecosystems across most of its geographical range. The species has been considered for listing under the federal Endangered Species Act multiple times, and was most recently ruled to not warrant protection as of September 2015. Nevertheless, the species faces threats from increasing wildfire frequency and changing climate, which are identified frequently as two environmental drivers contributing to declines of sage-grouse populations. To help inform a threat assessment within the Great Basin for listing sage-grouse in 2015 under the...
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Salmon spawning locations (redds) were mapped to characterize habitat use along two reaches of the lower Merced River in California's Central Valley and thus support research intended to evaluate the extent to which large-scale restoration projects provided improved salmon spawning habitat. A related goal of this study was to improve our understanding of the geomorphic factors influencing spawning site selection by salmon. Salmon redds were mapped during the fall of 2016 at the Merced River Ranch and Robinson Reach field sites using real-time kinematic (RTK) GPS. The location of the center of each redd was surveyed in the UTM Zone 10/NAD83 coordinate system, with easting and northing coordinates recorded in units...
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This shapefile represents habitat suitability categories (High, Moderate, Low, and Non-Habitat) derived from a composite, continuous surface of sage-grouse habitat suitability index (HSI) values for Nevada and northeastern California during the winter season, and is a surrogate for habitat conditions during periods of cold and snow.
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Project Synopsis: project will focus on springs, seeps and reservoirs in sage-grouse core habitat located within the Ruby Priority area. Other species of concern include: Bonneville and Colorado River Cutthroat trout, northern leopard frog, northern leatherside and roundtail chub, flannelmouth and bluehead suckers, big game, raptors and other migratory birds. Water resources will be mapped, inventoried and prioritized for future project/riparian developments. BLM mapped and inventoried approximately 190 reservoirs and 50 springs/seeps in 2011 (approximately one-third of the known springs, seep and reservoirs). BLM would like to continue this project and add to the existing knowledge. By using the data collected...
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This individual species distribution is derived from a GIS modeling process using species habitat association rules in combination with species geographic range. There are a total of 445 individual terrestrial vertebrate species distributions generated for Wyoming by the Wyoming Gap Analysis project.
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This individual species distribution is derived from a GIS modeling process using species habitat association rules in combination with species geographic range. There are a total of 445 individual terrestrial vertebrate species distributions generated for Wyoming by the Wyoming Gap Analysis project.
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This raster represents a continuous surface of sage-grouse habitat probability values for Nevada and California. These values are derived from modeling the resource selection function (RSF) for the region (see supplemental information in the Open File Report cited below for more details). Higher values indicate a higher probability of quality sage-grouse habitat. NOTE: This file does not include habitat for the Bi-State management area. This dataset is associated with the following Open-File Report; Coates, P.S., Casazza, M.L., Brussee, B.E., Ricca, M.A., Gustafson, K.B., Overton, C.T., Sanchez-Chopitea, E., Kroger, T., Mauch, K., Niell, L., Howe, K., Gardner, S., Espinosa, S., and Delehanty, D.J., 2014, Spatially...
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Due to anthropogenic activities and large stochastic events within the drainage, Gooseberry Creek no longer has a population of CRC above a man made Gabion structure. Gooseberry Creek is a small tributary and cannot support a large population of CRC to persist without connectivity to Trout Creek and Sage Creek. When passage is provided through the structures, approximately 1.5 miles of Gooseberry Creek will be available for CRC and other native fish for spawning, rearing and other life history needs. This project is part of an ongoing effort to improve aquatic and riparian habitat within the Greater Little Mountain area to increase the range of the native Colorado River cutthroat (CRC) trout. The Gooseberry Fish...
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We designed a 12.2 km walking transect so that an observer would pass within 50m of all habitat in the estuary and also minimize fording large channels. This transect was drawn using the path tool in Google Earth on a satellite image of the survey area. The path was printed on top of paper maps and used by observers as a map in the field. Most often, the entire transect was walked by two observers, one starting in the far West, the other in the middle of the estuary. Observers were permitted to deviate from the map to get clear views of certain features like incised channels or to identify a particular bird. The transect spacing worked for most birds, but was too sparse to accurately count Belding’s Savannah Sparrows....
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The data was collected at two lower Mississippi River sites and consists of year round pallid sturgeon Scaphirhynchus albus capture attributes (including habitat type at capture location) from 116 telemetry-tagged fish and habitat area estimation for the sites.
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Bear management subunits are subdivisions of larger bear management units (BMUs) that make up the Grizzly Bear Recovery Zone (GBRZ) located at the core of the Greater Yellowstone Ecosystem (GYE). Subunits were delineated to assist in the management and monitoring of grizzly bear habitat and population trends. The 18 BMUs comprising the Yellowstone GBRZ were subdivided into a total of 40 subunits to provide greater landscape resolution and to account for seasonal heterogeneity of grizzly bear use patterns within a BMU. Subunits were typically delineated at the scale of the average annual home range of an adult female grizzly bear in the GYE and typically consist of a major drainage enclosed by segments of intervening...
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Areas identified in the Minnesota Pheasant Action Plan to target habitat enhancement and protection in complexes at least 9 square miles in size where a goal of 40 percent permanent protection can be met within the timeframe of the plan. The complexes identify the best places for pheasant production and focused protection efforts on those areas to create permanent habitat complexes. Ranking of the complexes was based on current conditions. For instance, if a complex is at 38% permanent protection, it scores very high since with only a little effort 40% protection can be achieved, conversely. A place that was 20% scored low. The complexes identify the best places for pheasant production and focused protection efforts...
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This dataset is made up of features aggregated from Ecoregional Assessments as well as other planning methodologies used across The Nature Conservancy to identify areas of biodiversity significance and prioritize conservation action. More information about ecoregional assesments and other conservation planning methodologies is available at The Nature Conservancy's Conservation Gateway, the Ecoregional Assessment Status Tool (EAST), and at http://maps.tnc.org. This dataset provides a vision for conservation success for ecological systems, natural communities and species representative of an ecoregion by showing the boundaries of areas that The Nature Conservancy has prioritized for conservation within the Mississippi...
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Conservation priorities have been identified for each river basin at the cataloging unit or stream reach scale and were categorized using two tiers to indicate relative importance when considering the limited resources available for conservation initiatives. The recommendations were developed by Commission biologists through review of their field data as well as data from several agencies and research organizations. The review considered a combination of factors such as the presence of federal- or state-listed species; distribution of priority species; high species diversity; unique habitats, or high-quality habitats in the subbasin; and the importance of the watershed to downstream populations. Priority areas identified...
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This dataset consists of short-term (~31 years) shoreline change rates for the north coast of Alaska between the Hulahula River and the Colville River. Rate calculations were computed within a GIS using the Digital Shoreline Analysis System (DSAS) version 4.3, an ArcGIS extension developed by the U.S. Geological Survey. Short-term rates of shoreline change were calculated using a linear regression rate-of-change method based on available shoreline data between 1979 and 2010. A reference baseline was used as the originating point for the orthogonal transects cast by the DSAS software. The transects intersect each shoreline establishing measurement points, which are then used to calculate short-term rates.
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This dataset consists of long-term (~65 years) shoreline change rates for the north coast of Alaska between Point Barrow and Icy Cape. Rate calculations were computed within a GIS using the Digital Shoreline Analysis System (DSAS) version 4.3, an ArcGIS extension developed by the U.S. Geological Survey. Long-term rates of shoreline change were calculated using a linear regression rate-of-change method based on available shoreline data between 1947 and 2012. A reference baseline was used as the originating point for the orthogonal transects cast by the DSAS software. The transects intersect each shoreline establishing measurement points, which are then used to calculate long-term rates.
map background search result map search result map Gap Analysis Program (GAP)-Pocket Gopher Range, Wyoming Gap Analysis Program (GAP)-Species Distribution-Pygmy Rabbit Range Gooseberry Creek Fish Passage Project Impacts of Ravens on Sage-grouse Nests in Southern Wyoming Fossil Butte Wildlife Friendly Fencing Watershed Habitat Mapping and Inventory 2013 Sage-grouse Habitat Suitability Index in Nevada and NE California (August 2014) UMRGLR JV - Woodland Breeding Bird Habitat Priorities Long-term effects of wildfire on greater sage-grouse - integrating population and ecosystem concepts for management in the Great Basin Winter Season Habitat Categories Shapefile Walking transect path Minnesota Pheasant Action Plan - Habitat Complexes North Carolina SWAP Priority Watersheds (MRB HUC-12) Nature Conservancy - Ecoregional Rollup (MRB) Bear Management Subunits for the Yellowstone Grizzly Bear Digital Shoreline Analysis System (DSAS) version 4.3 Transects with Long-Term Linear Regression Rate Calculations for the Sheltered East Chukchi Sea coast of Alaska between Point Barrow and Icy Cape Digital Shoreline Analysis System (DSAS) version 4.3 Transects with Short-Term Linear Regression Rate Calculations for the Sheltered Central Beaufort Sea coast of Alaska between the Hulahula River and the Colville River Digital Shoreline Analysis System (DSAS) version 4.3 Transects with Short-Term Linear Regression Rate Calculations for the Exposed West Beaufort Sea coast of Alaska between the Colville River and Point Barrow Salmon spawning locations (redds) in two restored reaches of the lower Merced River, California Pallid sturgeon seasonal habitat selection in a large free-flowing river, the lower Mississippi River, 2009-2015-Data Gooseberry Creek Fish Passage Project Walking transect path Fossil Butte Wildlife Friendly Fencing Salmon spawning locations (redds) in two restored reaches of the lower Merced River, California Pallid sturgeon seasonal habitat selection in a large free-flowing river, the lower Mississippi River, 2009-2015-Data Gap Analysis Program (GAP)-Pocket Gopher Range, Wyoming Digital Shoreline Analysis System (DSAS) version 4.3 Transects with Long-Term Linear Regression Rate Calculations for the Sheltered East Chukchi Sea coast of Alaska between Point Barrow and Icy Cape Watershed Habitat Mapping and Inventory 2013 Digital Shoreline Analysis System (DSAS) version 4.3 Transects with Short-Term Linear Regression Rate Calculations for the Sheltered Central Beaufort Sea coast of Alaska between the Hulahula River and the Colville River Bear Management Subunits for the Yellowstone Grizzly Bear Impacts of Ravens on Sage-grouse Nests in Southern Wyoming Digital Shoreline Analysis System (DSAS) version 4.3 Transects with Short-Term Linear Regression Rate Calculations for the Exposed West Beaufort Sea coast of Alaska between the Colville River and Point Barrow Gap Analysis Program (GAP)-Species Distribution-Pygmy Rabbit Range North Carolina SWAP Priority Watersheds (MRB HUC-12) Minnesota Pheasant Action Plan - Habitat Complexes Winter Season Habitat Categories Shapefile Sage-grouse Habitat Suitability Index in Nevada and NE California (August 2014) Long-term effects of wildfire on greater sage-grouse - integrating population and ecosystem concepts for management in the Great Basin UMRGLR JV - Woodland Breeding Bird Habitat Priorities Nature Conservancy - Ecoregional Rollup (MRB)