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Stay home, stay safe-Site familiarity reduces predation risk in a large herbivore in two contrasting study sites.
Gehr, Benedikt; Bonnot, Nadège C; Heurich, Marco; Cagnacci, Francesca; Ciuti, Simone; Hewison, A J Mark; Gaillard, Jean-Michel; Ranc, Nathan; Premier, Joe; Vogt, Kristina; Hofer, Elizabeth; Ryser, Andreas; Vimercati, Eric; Keller, Lukas.
Afiliación
  • Gehr B; Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland.
  • Bonnot NC; Centre d'Ecologie Fonctionnelle et Evolutive, UMR 5175, CNRS - Université de Montpellier - Université Paul-Valéry Montpellier - EPHE, Montpellier Cedex 5, France.
  • Heurich M; INRAE, EFNO, Nogent-sur-Vernisson, France.
  • Cagnacci F; Department of Visitor Management and National Park Monitoring, Bavarian Forest National Park, Grafenau, Germany.
  • Ciuti S; Wildlife Ecology and Wildlife Management, Faculty of Environment and Natural Resources, University of Freiburg, Freiburg, Germany.
  • Hewison AJM; Department of Biodiversity and Molecular Ecology, Research and Innovation Centre, Fondazione Edmund Mach, Trentino, Italy.
  • Gaillard JM; Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA.
  • Ranc N; School of Biology and Environmental Science, University College Dublin Science Centre - West, Dublin, Ireland.
  • Premier J; Université de Toulouse, INRAE, CEFS, Castanet-Tolosan, France.
  • Vogt K; Unité Mixte de Recherche CNRS-Université Lyon 1 N85558 'Biométrie et Biologie Evolutive', Villeurbanne Cedex, France.
  • Hofer E; Department of Biodiversity and Molecular Ecology, Research and Innovation Centre, Fondazione Edmund Mach, Trentino, Italy.
  • Ryser A; Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA.
  • Vimercati E; Department of Visitor Management and National Park Monitoring, Bavarian Forest National Park, Grafenau, Germany.
  • Keller L; Wildlife Ecology and Wildlife Management, Faculty of Environment and Natural Resources, University of Freiburg, Freiburg, Germany.
J Anim Ecol ; 89(6): 1329-1339, 2020 06.
Article en En | MEDLINE | ID: mdl-32144759
Restricting movements to familiar areas should increase individual fitness as it provides animals with information about the spatial distribution of resources and predation risk. While the benefits of familiarity for locating resources have been reported previously, the potential value of familiarity for predation avoidance has been accorded less attention. It has been suggested that familiarity should be beneficial for anti-predator behaviour when direct cues of predation risk are unclear and do not allow prey to identify well-defined spatial refuges. However, to our knowledge, this hypothesis has yet to be tested. Here, we assessed how site familiarity, measured as the intensity of use of a given location, is associated with the probability of roe deer Capreolus capreolus being killed by two predators with contrasting hunting tactics, the Eurasian lynx Lynx lynx and human hunters. While risk of human hunting was confined to open habitats, risk of lynx predation was more diffuse, with no clear refuge areas. We estimated cause-specific mortality rates in a competing risk framework for 212 GPS-collared roe deer in two ecologically distinct areas of Central Europe to test the hypothesis that the daily risk of being killed by lynx or hunters should be lower in areas of high familiarity. We found strong evidence that site familiarity reduces the risk of being predated by lynx, whereas the evidence that the risk of being hunted is linked to site familiarity was weak. We suggest that local knowledge about small-scale differences in predation risk and information about efficient escape routes affect an individual's ability to avoid or escape an attack by an ambush predator. Our study emphasizes the role of site familiarity in determining the susceptibility of prey to predation. Further research will be required to understand better how a cognitive map of individual spatial information is beneficial for avoiding predation in the arms race that drives the predator-prey shell game.
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Ciervos / Lynx Tipo de estudio: Etiology_studies / Risk_factors_studies Límite: Animals País/Región como asunto: Europa Idioma: En Revista: J Anim Ecol Año: 2020 Tipo del documento: Article País de afiliación: Suiza

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Ciervos / Lynx Tipo de estudio: Etiology_studies / Risk_factors_studies Límite: Animals País/Región como asunto: Europa Idioma: En Revista: J Anim Ecol Año: 2020 Tipo del documento: Article País de afiliación: Suiza