MorrisDupuchMosesEtAl2019

Référence

Morris, D.W., Dupuch, A., Moses, M., Busniuk, K., Otterman, H. (2019) Differences in behavior help to explain lemming coexistence. Journal of Mammalogy, 100(4):1211-1220. (Scopus )

Résumé

Collared (Dicrostonyx groenlandicus) and brown (Lemmus trimucronatus) lemmings coexist in tundra habitats across much of the middle and lower Canadian arctic. Their coexistence, and response to predation risk, appears mediated by behavior. We analyzed field-collected videos of open-field tests to assess potential differences in innate behaviors between the two species. Collared lemmings were less active and exhibited less exploratory behavior than did brown lemmings, which were more active under cover than in the open. Similar behaviors scaling along axes of activity and curiosity were revealed by principal components analysis. Each axis defined different aspects of brown lemming personality, but repeated testing of the same individuals yielded a striking dependence of their behavioral response on open-field treatments. Even so, the differences between species in behavior correlate well with their habitat preferences that resolve competition and govern their coexistence. © 2019 American Society of Mammalogists, www.mammalogy.org.

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@ARTICLE { MorrisDupuchMosesEtAl2019,
    AUTHOR = { Morris, D.W. and Dupuch, A. and Moses, M. and Busniuk, K. and Otterman, H. },
    TITLE = { Differences in behavior help to explain lemming coexistence },
    JOURNAL = { Journal of Mammalogy },
    YEAR = { 2019 },
    VOLUME = { 100 },
    NUMBER = { 4 },
    PAGES = { 1211-1220 },
    NOTE = { cited By 0 },
    ABSTRACT = { Collared (Dicrostonyx groenlandicus) and brown (Lemmus trimucronatus) lemmings coexist in tundra habitats across much of the middle and lower Canadian arctic. Their coexistence, and response to predation risk, appears mediated by behavior. We analyzed field-collected videos of open-field tests to assess potential differences in innate behaviors between the two species. Collared lemmings were less active and exhibited less exploratory behavior than did brown lemmings, which were more active under cover than in the open. Similar behaviors scaling along axes of activity and curiosity were revealed by principal components analysis. Each axis defined different aspects of brown lemming personality, but repeated testing of the same individuals yielded a striking dependence of their behavioral response on open-field treatments. Even so, the differences between species in behavior correlate well with their habitat preferences that resolve competition and govern their coexistence. © 2019 American Society of Mammalogists, www.mammalogy.org. },
    AFFILIATION = { Department of Biology, Lakehead University, Thunder Bay, ON P7B 5E1, Canada; Institut des Sciences de la Forêt Tempérée, Université du Québec en Outaouais, Ripon, QC J0V 1V0, Canada; Ontario Ministry of Environment, Conservation and Parks, Thunder Bay, ON P7E 6S7, Canada; Cognitive and Behavioural Ecology Graduate Program, Memorial University of Newfoundland, St. John's, NL A1C 5S7, Canada; Faculty of Health Sciences, Lakehead University, Thunder Bay, ON P7B 5E1, Canada },
    ART_NUMBER = { gyz103 },
    AUTHOR_KEYWORDS = { arctic; behavior; competition; Dicrostonyx; Lemmus; personality; predation risk },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1093/jmammal/gyz103 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-85070069755&doi=10.1093%2fjmammal%2fgyz103&partnerID=40&md5=421eabe981263e92c0ff99e545f240dd },
}

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