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Polar bear denning distribution in the Canadian Arctic

机译：北极熊在加拿大北极的分布

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摘要

Declines in Arctic sea ice associated with climate change have resulted in habitat loss for ice-adapted species, while facilitating increased human development at higher latitudes. Development increases land-use and shipping traffic, which can threaten ecologically and culturally important species. Female polar bears (Ursus maritimus) and cubs are susceptible to disturbance during denning; a better understanding of denning habitat distribution may aid management. We compiled existing location data on polar bear denning (n = 64 sources) in Canada between 1967 and 2018, including traditional ecological knowledge (TEK) studies, government and consultant reports, peer-reviewed scientific articles, and unpublished data acquired through data-sharing agreements. We synthesized these data to create a map of known denning locations. Most coastal regions in northern Canada supported denning, but large areas exist where denning is unreported. Gaps remain in the knowledge of polar bear denning in Canada and filling these will aid the conservation and management of polar bears in a changing Arctic.
机译：与气候变化相关的北极海冰中的下降导致了冰适应物种的栖息地丧失，同时促进了较高纬度的人类发展。发展增加了土地利用和运输交通，这可能会威胁到生态和文化的重要物种。女性北极熊（Ursus Maritimus）和幼崽在丹恩期间易受干扰;更好地了解丹恩栖息地分配可能有助于管理。我们在1967年至2018年间在加拿大的北极熊丹宁（N = 64次来源）上编制了现有的地点数据，包括传统的生态知识（TEK）研究，政府和顾问报告，同行评审的科学论文，以及通过数据分享获得的未发表的数据协议。我们综合了这些数据以创建已知丹恩位置的地图。加拿大北部大多数沿海地区支持丹尼宁，但丹恩未报告的大区域存在。差距仍然是在加拿大北极熊丹宁的知识，并填补这些将有助于在变化的北极地区的北极熊的保护和管理。

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  • 来源
    《Polar biology》 |2020年第5期|617-621|共5页
  • 作者

    Florko Katie R. N.; Derocher Andrew E.; Breiter C-Jae C.; Ghazal Maha; Hedman Daryll; Higdon Jeff W.; Richardson Evan S.; Sahanatien Vicki; Trim Vicki; Petersen Stephen D.;

  • 作者单位

    Assiniboine Pk Zoo Leatherdale Int Polar Bear Conservat Ctr Conservat & Res Dept Winnipeg MB R3P 2N9 Canada|Univ British Columbia Inst Oceans & Fisheries Vancouver BC V6T 1Z4 Canada;

    Univ Alberta Dept Biol Sci Edmonton AB T6G 2E9 Canada;

    Assiniboine Pk Zoo Leatherdale Int Polar Bear Conservat Ctr Conservat & Res Dept Winnipeg MB R3P 2N9 Canada;

    Univ Manitoba Dept Environm & Geog Winnipeg MB R3E 0W2 Canada;

    Manitoba Agr & Resource Dev Wildlife & Fisheries Branch Water Stewardship & Biodivers Div Thompson MB R8N 1X4 Canada;

    Higdon Wildlife Consulting Winnipeg MB R3G 3C9 Canada;

    Environm & Climate Change Canada Sci & Technol Branch Wildlife Res Div Winnipeg MB R3C 4W2 Canada;

    Univ Alberta Dept Biol Sci Edmonton AB T6G 2E9 Canada|POB 1584 Iqaluit NU Canada;

    Manitoba Agr & Resource Dev Wildlife & Fisheries Branch Water Stewardship & Biodivers Div Thompson MB R8N 1X4 Canada;

    Assiniboine Pk Zoo Leatherdale Int Polar Bear Conservat Ctr Conservat & Res Dept Winnipeg MB R3P 2N9 Canada;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Ursus maritimus; Climate change; Denning; Habitat; Traditional ecological knowledge;

    机译：Ursus Maritimus;气候变化;丹恩;栖息地;传统的生态知识;

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