Estimating the Number of Walruses in Svalbard from Aerial Surveys and Behavioural Data from Satellite Telemetry

• Published in: ARCTIC
• Main Authors: Lydersen, Christian, Aars, Jon, Kovacs, Kit M.
• Format: Article in Journal/Newspaper
• Language: English
• Published: The Arctic Institute of North America 2009
• Subjects: walrus; Odobenus rosmarus; aerial survey; digital photography; satellite telemetry; haul-out behaviour; Svalbard; morse; étude aérienne; photographie numérique; télémétrie par satellite; comportement en échouerie; Morse; Arctic; walrus*
• Online Access: https://journalhosting.ucalgary.ca/index.php/arctic/article/view/63085

All known terrestrial haul-out sites for walruses in Svalbard (n = 79) were surveyed during the period 1–3 August 2006, and sites that were in use (n = 17) were documented using digital photography. A total of 657 walruses were counted on land in the resultant images. An extensive behavioural data s...