Aerial survey estimates of polar bears and their tracks in the Chukchi Sea

• Paul B. Conn ,

  Roles Conceptualization, Formal analysis, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: paul.conn@noaa.gov

  Affiliation Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, Washington, United States of America

  https://orcid.org/0000-0002-2801-299X

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• Vladimir I. Chernook,

  Roles Conceptualization, Data curation, Funding acquisition, Methodology, Project administration, Supervision, Writing – review & editing

  Affiliation Ecological Center, Autonomous Non-Commercial Organization, Saint-Petersburg, Russia

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• Erin E. Moreland,

  Roles Conceptualization, Data curation, Methodology, Project administration, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, Washington, United States of America

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• Irina S. Trukhanova,

  Roles Data curation, Funding acquisition, Investigation, Methodology, Project administration, Writing – review & editing

  Affiliation North Pacific Wildlife Consulting, LLC, Seattle, Washington, United States of America

  https://orcid.org/0000-0001-9058-4481

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• Eric V. Regehr,

  Roles Conceptualization, Funding acquisition, Writing – original draft, Writing – review & editing

  Affiliations Marine Mammals Management, United States Fish and Wildlife Service, Anchorage, Alaska, United States of America, Applied Physics Laboratory, Polar Science Center, University of Washington, Seattle, Washington, United States of America

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• Alexander N. Vasiliev,

  Roles Conceptualization, Data curation, Investigation, Methodology, Project administration, Software, Writing – review & editing

  Affiliation Ecological Center, Autonomous Non-Commercial Organization, Saint-Petersburg, Russia

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• Ryan R. Wilson,

  Roles Methodology, Software, Writing – review & editing

  Affiliation Marine Mammals Management, United States Fish and Wildlife Service, Anchorage, Alaska, United States of America

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• Stanislav E. Belikov,

  Roles Conceptualization, Writing – review & editing

  Affiliation All-Russian Research Institute for Nature Protection (Federal State Budgetary Institution), Moscow, Russia

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• Peter L. Boveng

  Roles Conceptualization, Funding acquisition, Methodology, Project administration, Resources, Supervision, Writing – review & editing

  Affiliation Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, Washington, United States of America

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