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Large-scale climatic anomalies affect marine predator foraging behaviour and demography

Author

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  • Charles A. Bost

    (Centre d’Etudes Biologiques de Chizé, CEBC- UMR 7372 CNRS
    Institut Pluridisciplinaire Hubert Curien, Université de Strasbourg)

  • Cedric Cotté

    (Sorbonne Universités (UPMC, Univ Paris 06)-CNRS-IRD-MNHN, LOCEAN)

  • Pascal Terray

    (Sorbonne Universités (UPMC, Univ Paris 06)-CNRS-IRD-MNHN, LOCEAN)

  • Christophe Barbraud

    (Centre d’Etudes Biologiques de Chizé, CEBC- UMR 7372 CNRS)

  • Cécile Bon

    (Centre d’Etudes Biologiques de Chizé, CEBC- UMR 7372 CNRS)

  • Karine Delord

    (Centre d’Etudes Biologiques de Chizé, CEBC- UMR 7372 CNRS)

  • Olivier Gimenez

    (Centre d’Ecologie Fonctionnelle et Evolutive/CNRS, UMR 5175)

  • Yves Handrich

    (Institut Pluridisciplinaire Hubert Curien, Université de Strasbourg)

  • Yasuhiko Naito

    (National Institute of Polar Research)

  • Christophe Guinet

    (Centre d’Etudes Biologiques de Chizé, CEBC- UMR 7372 CNRS)

  • Henri Weimerskirch

    (Centre d’Etudes Biologiques de Chizé, CEBC- UMR 7372 CNRS)

Abstract

Determining the links between the behavioural and population responses of wild species to environmental variations is critical for understanding the impact of climate variability on ecosystems. Using long-term data sets, we show how large-scale climatic anomalies in the Southern Hemisphere affect the foraging behaviour and population dynamics of a key marine predator, the king penguin. When large-scale subtropical dipole events occur simultaneously in both subtropical Southern Indian and Atlantic Oceans, they generate tropical anomalies that shift the foraging zone southward. Consequently the distances that penguins foraged from the colony and their feeding depths increased and the population size decreased. This represents an example of a robust and fast impact of large-scale climatic anomalies affecting a marine predator through changes in its at-sea behaviour and demography, despite lack of information on prey availability. Our results highlight a possible behavioural mechanism through which climate variability may affect population processes.

Suggested Citation

  • Charles A. Bost & Cedric Cotté & Pascal Terray & Christophe Barbraud & Cécile Bon & Karine Delord & Olivier Gimenez & Yves Handrich & Yasuhiko Naito & Christophe Guinet & Henri Weimerskirch, 2015. "Large-scale climatic anomalies affect marine predator foraging behaviour and demography," Nature Communications, Nature, vol. 6(1), pages 1-9, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9220
    DOI: 10.1038/ncomms9220
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    Cited by:

    1. Heather Welch & Matthew S. Savoca & Stephanie Brodie & Michael G. Jacox & Barbara A. Muhling & Thomas A. Clay & Megan A. Cimino & Scott R. Benson & Barbara A. Block & Melinda G. Conners & Daniel P. Co, 2023. "Impacts of marine heatwaves on top predator distributions are variable but predictable," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Panel, Sophie & Pietri, Antoine, 2022. "God did not save the kings: Environmental consequences of the 1982 Falklands War," Ecological Economics, Elsevier, vol. 201(C).
    3. Amédée Roy & Sophie Lanco Bertrand & Ronan Fablet, 2022. "Deep inference of seabird dives from GPS-only records: Performance and generalization properties," PLOS Computational Biology, Public Library of Science, vol. 18(3), pages 1-18, March.

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