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Animal-Borne Acoustic Transceivers Reveal Patterns of at-Sea Associations in an Upper-Trophic Level Predator

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  • Damian C Lidgard
  • W Don Bowen
  • Ian D Jonsen
  • Sara J Iverson

Abstract

Satellite telemetry data have substantially increased our understanding of habitat use and foraging behaviour of upper-trophic marine predators, but fall short of providing an understanding of their social behaviour. We sought to determine whether novel acoustic and archival GPS data could be used to examine at-sea associations among grey seals (Halichoerus grypus) during the fall foraging period. Fifteen grey seals from Sable Island, Canada were deployed with Vemco Mobile Transceivers and Satellite-GPS transmitters in October 2009, 13 of which were recaptured and units retrieved 79±2.3 days later during the following breeding season, December 2009–January 2010. An association between two individuals was defined as a cluster of acoustic detections where the time between detections was

Suggested Citation

  • Damian C Lidgard & W Don Bowen & Ian D Jonsen & Sara J Iverson, 2012. "Animal-Borne Acoustic Transceivers Reveal Patterns of at-Sea Associations in an Upper-Trophic Level Predator," PLOS ONE, Public Library of Science, vol. 7(11), pages 1-8, November.
    • Handle: RePEc:plo:pone00:0048962
    DOI: 10.1371/journal.pone.0048962
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    Cited by:

    1. Carson, Stuart & Mills Flemming, Joanna, 2014. "Seal encounters at sea: A contemporary spatial approach using R-INLA," Ecological Modelling, Elsevier, vol. 291(C), pages 175-181.

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