Item talk:Q235655
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{
"USGS Publications Warehouse": { "@context": "https://schema.org", "@type": "Article", "additionalType": "Journal Article", "name": "Remote identification of polar bear maternal den habitat in northern Alaska", "identifier": [ { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse IndexID", "value": "70024240", "url": "https://pubs.usgs.gov/publication/70024240" }, { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse Internal ID", "value": 70024240 }, { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.14430/arctic770", "url": "https://doi.org/10.14430/arctic770" } ], "journal": { "@type": "Periodical", "name": "Arctic", "volumeNumber": "54", "issueNumber": "2" }, "inLanguage": "en", "isPartOf": [ { "@type": "CreativeWorkSeries", "name": "Arctic" } ], "datePublished": "2001", "dateModified": "2023-08-11", "abstract": "Polar bears (Ursus maritimus) give birth in dens of ice and snow to protect their altricial young. During the snow-free season, we visited 25 den sites located previously by radiotelemetry and characterized the den site physiognomy. Seven dens occurred in habitats with minimal relief. Eighteen dens (72%) were in coastal and river banks. These \"banks\" were identifiable on aerial photographs. We then searched high-resolution aerial photographs (n=3000) for habitats similar to those of the 18 dens. On aerial photos, we mapped 1782 km of bank habitats suitable for denning. Bank habitats comprised 0.18% of our study area between the Colville River and the Tamayariak River in northern Alaska. The final map, which correctly identified 88% of bank denning habitat in this region, will help minimize the potential for disruptions of maternal dens by winter petroleum exploration activities.", "description": "7 p.", "publisher": { "@type": "Organization", "name": "Arctic Institute of North America" }, "author": [ { "@type": "Person", "name": "Ambrosius, Ken J.", "givenName": "Ken J.", "familyName": "Ambrosius" }, { "@type": "Person", "name": "Durner, George M. gdurner@usgs.gov", "givenName": "George M.", "familyName": "Durner", "email": "gdurner@usgs.gov", "identifier": { "@type": "PropertyValue", "propertyID": "ORCID", "value": "0000-0002-3370-1191", "url": "https://orcid.org/0000-0002-3370-1191" }, "affiliation": [ { "@type": "Organization", "name": "Alaska Science Center", "url": "https://www.usgs.gov/centers/alaska-science-center" }, { "@type": "Organization", "name": "Alaska Science Center Biology MFEB", "url": "https://www.usgs.gov/centers/alaska-science-center" } ] }, { "@type": "Person", "name": "Amstrup, Steven C.", "givenName": "Steven C.", "familyName": "Amstrup", "affiliation": [ { "@type": "Organization", "name": "Polar Bears International" } ] } ], "funder": [ { "@type": "Organization", "name": "Alaska Science Center", "url": "https://www.usgs.gov/centers/alaska-science-center" } ], "spatialCoverage": [ { "@type": "Place", "additionalType": "country", "name": "United States", "url": "https://geonames.org/4074035" }, { "@type": "Place", "additionalType": "state", "name": "Alaska" }, { "@type": "Place", "geo": [ { "@type": "GeoShape", "additionalProperty": { "@type": "PropertyValue", "name": "GeoJSON", "value": { "type": "FeatureCollection", "features": [ { "type": "Feature", "properties": {}, "geometry": { "coordinates": [ [ [ -151.25834807489673, 70.6985528072185 ], [ -151.72292652172834, 69.74091492366225 ], [ -141.11207667686088, 68.89797093471142 ], [ -140.72918403438467, 70.1265170225928 ], [ -151.25834807489673, 70.6985528072185 ] ] ], "type": "Polygon" } } ] } } }, { "@type": "GeoCoordinates", "latitude": 69.85046578928197, "longitude": -145.99775430430026 } ] } ] }, "OpenAlex": { "abstract_inverted_index": { "Polar": [ 0 ], "bears": [ 1 ], "(Ursus": [ 2 ], "maritimus)": [ 3 ], "give": [ 4 ], "birth": [ 5 ], "in": [ 6, 39, 48, 105, 119 ], "dens": [ 7, 37, 45, 131 ], "of": [ 8, 72, 83, 93, 115, 129 ], "ice": [ 9 ], "and": [ 10, 30, 50, 101 ], "snow": [ 11 ], "to": [ 12, 70 ], "protect": [ 13 ], "their": [ 14 ], "altricial": [ 15 ], "young.": [ 16 ], "During": [ 17 ], "the": [ 18, 32, 73, 98, 102, 125 ], "snow-free": [ 19 ], "season,": [ 20 ], "we": [ 21, 79 ], "visited": [ 22 ], "25": [ 23 ], "den": [ 24, 33 ], "sites": [ 25 ], "located": [ 26 ], "previously": [ 27 ], "by": [ 28, 132 ], "radiotelemetry": [ 29 ], "characterized": [ 31 ], "site": [ 34 ], "physiognomy.": [ 35 ], "Seven": [ 36 ], "occurred": [ 38 ], "habitats": [ 40, 68, 85, 90 ], "with": [ 41 ], "minimal": [ 42 ], "relief.": [ 43 ], "Eighteen": [ 44 ], "(72%)": [ 46 ], "were": [ 47, 55 ], "coastal": [ 49 ], "river": [ 51 ], "banks.": [ 52 ], "These": [ 53 ], "\"banks\"": [ 54 ], "identifiable": [ 56 ], "on": [ 57 ], "aerial": [ 58, 64, 77 ], "photographs.": [ 59 ], "We": [ 60 ], "then": [ 61 ], "searched": [ 62 ], "high-resolution": [ 63 ], "photographs": [ 65 ], "(n=3000)": [ 66 ], "for": [ 67, 87, 127 ], "similar": [ 69 ], "those": [ 71 ], "18": [ 74 ], "dens.": [ 75 ], "On": [ 76 ], "photos,": [ 78 ], "mapped": [ 80 ], "1782": [ 81 ], "km": [ 82 ], "bank": [ 84, 116 ], "suitable": [ 86 ], "denning.": [ 88 ], "Bank": [ 89 ], "comprised": [ 91 ], "0.18%": [ 92 ], "our": [ 94 ], "study": [ 95 ], "area": [ 96 ], "between": [ 97 ], "Colville": [ 99 ], "River": [ 100, 104 ], "Tamayariak": [ 103 ], "northern": [ 106 ], "Alaska.": [ 107 ], "The": [ 108 ], "final": [ 109 ], "map,": [ 110 ], "which": [ 111 ], "correctly": [ 112 ], "identified": [ 113 ], "88%": [ 114 ], "denning": [ 117 ], "habitat": [ 118 ], "this": [ 120 ], "region,": [ 121 ], "will": [ 122 ], "help": [ 123 ], "minimize": [ 124 ], "potential": [ 126 ], "disruptions": [ 128 ], "maternal": [ 130 ], "winter": [ 133 ], "petroleum": [ 134 ], "exploration": [ 135 ], "activities.": [ 136 ] }, "apc_list": null, "apc_paid": null, "authorships": [ { "author_position": "first", "author": { "id": "https://openalex.org/A5033439682", "display_name": "George M. 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