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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Truly sedentary? The multi-range tactic as a response to resource heterogeneity and unpredictability in a large herbivore
Oecologia, Volume 187, No. 1, Year 2018
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Description
Much research on large herbivore movement has focused on the annual scale to distinguish between resident and migratory tactics, commonly assuming that individuals are sedentary at the within-season scale. However, apparently sedentary animals may occupy a number of sub-seasonal functional home ranges (sfHR), particularly when the environment is spatially heterogeneous and/or temporally unpredictable. The roe deer (Capreolus capreolus) experiences sharply contrasting environmental conditions due to its widespread distribution, but appears markedly sedentary over much of its range. Using GPS monitoring from 15 populations across Europe, we evaluated the propensity of this large herbivore to be truly sedentary at the seasonal scale in relation to variation in environmental conditions. We studied movement using net square displacement to identify the possible use of sfHR. We expected that roe deer should be less sedentary within seasons in heterogeneous and unpredictable environments, while migratory individuals should be seasonally more sedentary than residents. Our analyses revealed that, across the 15 populations, all individuals adopted a multi-range tactic, occupying between two and nine sfHR during a given season. In addition, we showed that (i) the number of sfHR was only marginally influenced by variation in resource distribution, but decreased with increasing sfHR size; and (ii) the distance between sfHR increased with increasing heterogeneity and predictability in resource distribution, as well as with increasing sfHR size. We suggest that the multi-range tactic is likely widespread among large herbivores, allowing animals to track spatio-temporal variation in resource distribution and, thereby, to cope with changes in their local environment. © 2018, Springer-Verlag GmbH Germany, part of Springer Nature.
Authors & Co-Authors
Couriot, Ophélie H.
France, Castanet-tolosan
Inrae Occitanie-toulouse Centre
Hewison, Aidan Jonathan Mark
France, Castanet-tolosan
Inrae Occitanie-toulouse Centre
Saïd, Sonia
France, Paris
Office National de la Chasse et de la Faune Sauvage
Cagnacci, Francesca
Italy, San Michele All'adige
Fondazione Edmund Mach
Chamaillé-Jammes, Simon
France, Montpellier
Universite Paul-valery Montpellier Iii
Linnell, John D.C.
Norway, Trondheim
Trondheim Hovedkontor
Mysterud, Atle
Norway, Oslo
Universitetet I Oslo
Peters, Wibke
Unknown Affiliation
Urbano, Ferdinando
Unknown Affiliation
Heurich, Marco
Germany, Grafenau
Nationalpark Bayerischer Wald
Germany, Freiburg Im Breisgau
Universität Freiburg
Kjellander, Petter
Sweden, Uppsala
Sveriges Lantbruksuniversitet
Nicoloso, Sandro
Unknown Affiliation
Berger, Anne
Germany, Berlin
Leibniz-institut Für Zoo- Und Wildtierforschung
Šustr, Pavel
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Kroeschel, Max
Germany, Freiburg Im Breisgau
Universität Freiburg
Sandfort, Robin
Austria, Vienna
Universitat Fur Bodenkultur Wien
Gehr, Benedikt
Switzerland, Zurich
Universität Zürich
Morellet, Nicolas
France, Castanet-tolosan
Inrae Occitanie-toulouse Centre
Statistics
Citations: 20
Authors: 18
Affiliations: 14
Identifiers
Doi:
10.1007/s00442-018-4131-5
ISSN:
00298549
Research Areas
Genetics And Genomics