Abstract
The social structure of an animal population can often influence movement and inform researchers on a species’ behavioral tendencies. Animal social networks can be studied through movement data; however, modern sources of data can have identification issues that result in multiply-labeled individuals. Since all available social movement models rely on unique labels, we extend an existing Bayesian hierarchical movement model in a way that makes use of a latent social network and accommodates multiply-labeled movement data (MLMD). We apply our model to drone-measured movement data from Risso’s dolphins (Grampus griseus) and estimate the effects of sonar exposure on the dolphins’ social structure. Our proposed framework can be applied to MLMD for various social movement applications. Supplementary materials accompanying this paper appear online.
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Acknowledgements
Funding for the collection of the dolphin data was provided by the U.S. Navy’s Office of Naval Research (Awards N000141713132, N0001418IP-00021, N000141712887, N000141912572). Drone flights over dolphins were authorized by research permit 19091 from the National Marine Fisheries Service (NMFS), and the controlled sonar exposure experiment was conducted under NMFS permit 19116.
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Boulil, Z.L., Durban, J.W., Fearnbach, H. et al. Detecting Changes in Dynamic Social Networks Using Multiply-Labeled Movement Data. JABES 28, 243–259 (2023). https://doi.org/10.1007/s13253-022-00522-1
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DOI: https://doi.org/10.1007/s13253-022-00522-1