33 datasets found
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Federal
Northeast muskox population sex and age composition summary for all areas (26A+B and 26C (Arctic NWR) in Alaska and northern Yukon), 1972-2011
Department of the Interior —
During June, we perform ground-based composition counts to estimate calf production, recruitment, and adult sex ratio. We have radiocollared over 100 muskoxen in... -
Federal
Topographic Wetness Index raster - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
"We obtained the 5 m Interferometric Synthetic Aperture Radar Digital Terrain Model (IFSAR DTM) tiles for the study area from https://elevation.alaska.gov/ and... -
Federal
Soil horizon data - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
The resource contains soil horizon data from the ABR, Inc. – Environmental Research and Services (ABR) 2019 ground surveys. The data in this resource relates to all... -
Federal
Physiography raster - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
Physiography was derived from an attribute field in the ecological subsection mapping. The original physiography linework was adjusted to match the image segmentation... -
Federal
Segment interpretation and validation data - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
The field data and WorldView imagery were leveraged to generate an extensive set of segments labeled with land cover class. These segment interpretations provided the... -
Federal
Soil lab analysis data - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
The resource contains soil lab data from the ABR, Inc. – Environmental Research and Services (ABR) 2019 ground surveys. The data in this resource relates to all other... -
Federal
Normalized Difference Vegetation Index, Biomass, and Nitrogen Content of Goose Forage, Northern Alaska, 2011-2018
Department of the Interior —
This data set contains four tables of information regarding the sampling of plant biomass, nitrogen, cumulative thaw degree days, precipitation, and Normalized... -
Federal
Arthropod Abundance Data from the Colville River Delta, Alaska
Department of the Interior —
This data release contains information on the seasonal diversity and abundance of arthropods collected at the Colville River Delta, Alaska, 2011-2012 and 2014-2107.... -
Federal
Dynamic Surface Water Extent rasters - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
We prepared a water phenology product from the Landsat Level-3 Dynamic Surface Water Extent (DSWE) science product, which provides a water classification for each... -
Federal
Information from Bird Nests Monitored on the Colville River Delta, Alaska, 2011–2018
Department of the Interior —
This dataset contains nesting information for birds breeding at a site on the Colville River, Alaska, 2011–2018. Nests were located during area searches conducted by... -
Federal
Fish Species Composition and Diet Information in Lakes of the Arctic Coastal Plain, Alaska, 2011-2013
Department of the Interior —
This dataset provides information on fish species composition and their diet information for 16 lakes and 16 ponds at two locations on the central Arctic Coastal... -
Federal
Vegetation Data: Ground plots, taxon specific - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
The resource contains vegetation cover data from the ABR, Inc. – Environmental Research and Services (ABR) 2019 ground surveys plots and the 1987-1992 U.S. Fish and... -
Federal
Vegetation Data: Aerial survey plots, taxon specific - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
The resource contains vegetation cover data from the ABR, Inc. – Environmental Research and Services (ABR) 2019 aerial surveys. The data in this resource relates to... -
Federal
Survey Data for Loon Occupancy in Freshwater Lakes, National Petroleum Reserve-Alaska, 2011-2014
Department of the Interior —
These data are in one table of territory occupancy data for loons and presence/absence data for fish species based on survey information for Pacific (Gavia pacifica)... -
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
Predicted Calving and Post-calving Season Resource Use of the Porcupine Caribou Herd During 2012–2018 With Future Projections for the 2030s, 2040s, and 2050s
Department of the Interior —
This dataset contains rasters and polygon shapefiles related to predicted resource use of the Porcupine Caribou Herd (PCH) during the calving (26 May–10 June) and... -
Federal
Environmental Data from the Colville River Delta, Alaska
Department of the Interior —
This data release contains two tables with information on seasonal values for temperature, wind, and snow cover collected at the Colville River Delta, Alaska,... -
Federal
Avian Demographic Data from the Colville River Delta, Alaska
Department of the Interior —
This data release contains multiple tables with information on avian demographics collected at the Colville River Delta, Alaska, 2011-2018. Researchers with the U.S.... -
Federal
Adult Shorebird Morphological Measurement Data
Department of the Interior —
This dataset consists of five tables, 1) shorebird morphological measurements collected from various species captured from 1895-2021, 2) taxonomy, 3) contributors, 4)... -
Federal
Juvenile Shorebird Morphological Data Collected in Alaska and Canada
Department of the Interior —
This dataset consists of shorebird chick measurements (wing, primary feather 10, diagonal tarsus, and bill length) and body mass for various shorebird species...
33 datasets found