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Federal
Least-cost paths (primary model) - A landscape connectivity analysis for the coastal marten (Martes caurina humboldtensis)
Department of the Interior —
This dataset contains the least-cost paths produced by our habitat connectivity model for the coastal marten, as described below in greater detail: After developing... -
Federal
National Wildlife Refuge Campgrounds
Department of the Interior —
The intended application of this data layer is to represent the location of campgrounds within National Wildlife Refuge units. -
Federal
Modeling Spatial Variation in Density of Golden Eagle Nest Sites in the Western United States: Spatial Data and Maps
Department of the Interior —
Golden eagle (Aquila chrysaetos) nest site model spatial data and maps as described in Dunk JR, Woodbridge B, Lickfett TM, Bedrosian G, Noon BR, LaPlante DW, et al.... -
Federal
Habitat - Land Cover Mapping and Change Detection: Geospatial Datasets, 2010
Department of the Interior —
This reference contains raster datasets for Habitat - Land Cover Mapping and Change Detection (PRIMR ID: FF01RMLH00-127). These geodatabases contain raster landcover... -
Federal
R1: Oregon Coast: 1988 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Stitched (Colony) Images Used to Manual Count Nesting Seabirds, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based... -
Federal
Least-cost paths connecting coastal marten Extant Population Areas (secondary model) - A landscape connectivity analysis for the coastal marten (Martes caurina humboldtensis)
Department of the Interior —
In this coastal marten landscape connectivity modeling project, we produced a "primary" connectivity model in which modeled habitat cores and a resistance surface... -
Federal
Least-cost corridors classified as well-connected (≤15km) based on cost-weighted distance - A landscape connectivity analysis for the coastal marten (Martes caurina humboldtensis)
Department of the Interior —
This dataset contains an alternative representation of the least-cost corridors produced by our habitat connectivity model for the coastal marten, where a Maximum... -
Federal
Habitat cores used in primary model ( ≥1500 hectares) and supplemental habitat cores (between 300 - 1500 hectares) - A landscape connectivity analysis for the coastal marten (Martes caurina humboldtensis)
Department of the Interior —
This dataset contains additional "small" habitat cores that had a minimum size of 1 female marten home range (300ha), but were too small to meet the minimum size... -
Federal
Simplified refuge boundaries in the Alaska Region (geoJSONs for import into mdEditor)
Department of the Interior —
These polygon features depict simplified boundaries of the national wildlife refuges and refuge complexes in the Alaska Region for small-scale reference. They were... -
Federal
Primary model outputs (packaged datasets) - A landscape connectivity analysis for the coastal marten (Martes caurina humboldtensis)
Department of the Interior —
This packaged data collection contains all of the outputs from our primary model, including the following data layers: Habitat Cores (vector polygons) Least-cost... -
Federal
Series of aerial images over Monte Vista National Wildlife Refuge, acquired August 26th, 1989
Department of the Interior —
This data set includes five georeferenced versions of color aerial photographs from August 26th, 1989, taken over Monte Vista National Wildlife Refuge. Like other... -
Federal
Final Land Cover Map raster - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
ABR Inc.—Environmental Research and Services (ABR) produced a land cover map of the north slope of the Arctic National Wildlife Refuge (ANWR) using a classification... -
Federal
Least-cost corridors classified as moderately-connected (≤45km) based on Euclidean distance - A landscape connectivity analysis for the coastal marten (Martes caurina humboldtensis)
Department of the Interior —
This dataset contains an alternative representation of the least-cost corridors produced by our habitat connectivity model for the coastal marten, where a Maximum... -
Federal
Tualatin NWRC: Invasive Plant Inventory - Grid-based: Survey Grid (50 x 50 m) for Conducting Field-based Invasive Plant Surveys
Department of the Interior —
This dataset was created to facilitate field-based invasive plant surveys. Each grid-cell constitutes a possible survey area within which a field surveyor documents... -
Federal
Power Pole Density Models to Inform Spatial Prioritization for Mitigating Avian Electrocutions (full version)
Department of the Interior —
Geospatial data for power pole density models, including model raster (.tif), layer file (.lyr), boundary file (.shp), and example map (.png). This version combines... -
Federal
R1: Oregon Coast: 1988 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Selected (Colony) Images Used For Counting, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based... -
Federal
R1: Oregon Coast: 2012 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Stitched (Colony) Images Used to Manual Count Nesting Seabirds, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based... -
Federal
Least-cost corridors classified as moderately-connected (≤45km) based on cost-weighted distance - A landscape connectivity analysis for the coastal marten (Martes caurina humboldtensis)
Department of the Interior —
This dataset contains an alternative representation of the least-cost corridors produced by our habitat connectivity model for the coastal marten, where a Maximum... -
Federal
Sewall Vegetation Classification and Imagery for Block Island, Canaan Valley, Cherry Valley, Conscience Point, Elizabeth A. Morton, Erie, Featherstone, Great Swamp, James River, John H. Chafee, Mason Neck, Ninigret, Nomans Land Island, Occoquan Bay, Presquile, Patuxent Research Refuge, Rappahannock River Valley, Sachuest Point, Seatuck, Target Rock, Trustom Pond, Wallkill, Wertheim National Wildlife Refuges
Department of the Interior —
James W. Sewall Company used its standard photointerpretation and ortho-mapping workflow on 112K acres across the North Atlantic - Appalachian region. Refuges...