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From individual to collective displacements in heterogeneous environments.

Archive ouverte | Casellas, Eric | CCSD

Animal displacement plays a central role in many ecological questions. It can be interpreted as a combination of components that only depend on the animal (for example a random walk) and external influences given by the heterogene...

Modeling Collective Animal Behavior with a Cognitive Perspective: A Methodological Framework

Archive ouverte | Weitz, Sebastian | CCSD

International audience. The last decades have seen an increasing interest in modeling collective animal behavior. Some studies try to reproduce as accurately as possible the collective dynamics and patterns observed...

Residence times and boundary-following behavior in animals

Archive ouverte | Weitz, Sebastian | CCSD

International audience. Many animals in heterogeneous environments bias their trajectories displaying a preference for the vicinity of boundaries. Here we propose a criterion, relying on recent invariance properties...

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