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Don't poke the bear : using tracking data to quantify behavioural syndromes in elusive wildlife

Hertel Anne G., Leclerc Martin, Warren Dan, Pelletier Fanie, Zedrosser Andreas et Mueller Thomas. (2019). Don't poke the bear : using tracking data to quantify behavioural syndromes in elusive wildlife. Animal Behaviour, 147, p. 91-104.

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URL officielle: http://dx.doi.org/doi:10.1016/j.anbehav.2018.11.00...

Résumé

Animal personality traits and the emergence of behavioural syndromes, i.e. between-individual correlation of behaviours, are commonly quantified from behavioural observations in controlled environments. Subjecting large and elusive wildlife to controlled test situations is, however, rarely possible, suggesting that ecologists should exploit alternative measures of behaviours for quantifying differences between individuals. Our goal was to test whether movement and space use data can be used to quantify behavioural syndromes in the wild. We quantified six behaviours from GPS and dual motion sensor tracking devices of 46 adult female brown bears followed in southcentral Sweden over the summer and early autumn. As well as daily travel distance, an indicator for activity, and daily displacement, an indicator for exploration, we quantified four behaviours that increase a bear's likelihood of encountering humans and could thus serve as indicators for boldness: diurnality, selection for roads and selection for two open habitat types, bogs and clearcuts, with low lateral cover. We tested (1) whether behaviours showed repeatable between-individual variation (animal personality) and (2) whether behaviours were correlated between individuals and thus formed a behavioural syndrome. Repeatability of behaviours ranged from 0.16 to 0.61 confirming between-individual variation in movement, activity and space use. A multivariate mixed model revealed significant positive correlations between travel distance, displacement and diurnality, suggesting the existence of an activity–exploration and potentially partial boldness syndrome in our bear population. Selection for exposed or human-frequented habitats were uncorrelated with the activity–exploration syndrome and with each other, albeit there was a trend for stronger road avoidance by bears that readily used clearcuts. We show that large tracking data sets can be used to quantify between-individual correlation in spatial behaviours. We suggest that delineating behavioural types from wildlife tracking data will be of increasing interest because of the importance of animal personality for ecological processes, wildlife conservation and human–wildlife coexistence.

Type de document:Article publié dans une revue avec comité d'évaluation
ISSN:00033472
Volume:147
Pages:p. 91-104
Version évaluée par les pairs:Oui
Date:Janvier 2019
Nombre de pages:14
Identifiant unique:10.1016/j.anbehav.2018.11.008
Sujets:Sciences naturelles et génie > Sciences naturelles > Biologie et autres sciences connexes
Département, module, service et unité de recherche:Départements et modules > Département des sciences fondamentales
Unités de recherche > Centre de recherche sur la Boréalie (CREB)
Mots-clés:activity sensors, brown bear, GPS collar, multivariate mixed model, personality repeatability, Ursus arctos
Déposé le:25 oct. 2023 17:54
Dernière modification:27 oct. 2023 19:46
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