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Mapping Suitable Snow Habitat for Polar Bear Denning Final Report

Dates

Last Update
2013-08-15
Publication Date
2013-03-07

Citation

LCC Network Data Steward(Point of Contact), Arctic Landscape Conservation Cooperative(administrator), 2013-08-15(lastUpdate), 2013-03-07(Publication), Mapping Suitable Snow Habitat for Polar Bear Denning Final Report, http://arcticlcc.org/products/8ee8a2ed-e364-43cc-8144-569df90af96f, https://www.sciencebase.gov/catalog/item/5a3947bee4b0d05ee8b40a5b

Summary

Polar bears along Alaska’s Beaufort Sea frequently give birth to young in land-based snow dens.These dens are established in November, typically in deep snowdrifts that have developed in thelee of cut-banks found along streams, rivers, and the coast. Durner et al. (2001, 2006) indicatedthat, for 24 known land den sites, the local slopes ranged from 15 to 50° and were 1.3 to 34 mhigh. The dens faced all directions but east. They published a distribution map based on habitatcharacteristics, presumably reflecting snow drifting, largely bracketing the generally northwardflowing drainages of the region. No attempt was made in the cited studies to model snow driftingexplicitly, though it was recognized that this was an important control [...]

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Polar_Bear_Dens_Final_Report.pdf 3.24 MB
md_metadata.json 33.77 KB
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  • Arctic Landscape Conservation Cooperative
  • LC MAP - Landscape Conservation Management and Analysis Portal

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urn:uuid urn:uuid 8ee8a2ed-e364-43cc-8144-569df90af96f

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