Mapping Data of Polar Bear (Ursus maritimus) Maternal Den Habitat, Arctic Coastal Plain, Alaska Current Citation: Durner, G. M., Atwood T. C., 2018, Mapping data of Polar Bear (Ursus maritimus) maternal den habitat, Arctic Coastal Plain, Alaska (ver 2.0, November 2021): U.S. Geological Survey data release, https://doi.org/10.5066/F7DJ5DXT ======================================= Version 1.0 posted online May 2018 Original Citation: Durner, G. M., Atwood T. C., 2018, Data Used to Compare Photo-Interpreted and IfSAR-Derived Maps of Polar Bear Denning Habitat for the 1002 Area of the Arctic National Wildlife Refuge, Alaska, 2006-2016: U.S. Geological Survey data release, https://doi.org/10.5066/F7DJ5DXT Overview: One dataset with several vector geospatial files showing the distribution of putative polar bear denning habitat in 1002 Area of the Arctic National Wildlife Refuge, Alaska. Data: pb_denhab_photoderived_1002_line_shape pb_denhab_IfSARderived_1002_area_shape anwr1002_USFWS_500m_ext_shape random_points_1002_area_shape ======================================== Version 2.0 posted online November 2021 Renamed: Data release to reflect the larger scope (additional datasets) of the data release. Added: two additional datasets of vector geospatial files showing the distribution of putative polar bear denning habitat in: (1) National Petroleum Reserve - Alaska (npra), and (2) the eastern Arctic Coastal Plain (eastACP) of Alaska between the Colville River and the Alaska/Canada border. All original data is retained. Updated: metadata to follow current USGS Alaska Science Center metadata standards and conventions. Datasets: (1) polarBear_denHabitat_anwr1002 pb_denhab_photoderived_1002_line_shape pb_denhab_IfSARderived_1002_area_shape anwr1002_USFWS_500m_ext_shape random_points_1002_area_shape (2) polarBear_denHabitat_npra polarBear_denHabitat_npraEast polarBear_denHabitat_npraWest (3) polarBear_denHabitat_eastACP polarBear_denHabitat_eastACP