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29 March 2024
 
  » arxiv » 1603.7630

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A Spatially-Varying Stochastic Differential Equation Model for Animal Movement
James C. Russell ; Ephraim M. Hanks ; Murali Haran ; David P. Hughes ;
Date 24 Mar 2016
AbstractAnimal movement exhibits complex behavior which can be influenced by unobserved environmental conditions. We propose a model which allows for a spatially-varying movement rate and directional bias through a semiparametric potential surface and a separate motility surface. These surfaces are embedded in a stochastic differential equation framework which allows for complex animal movement patterns in space. The resulting model is used to analyze the spatially-varying behavior of ants to provide insight into the spatial structure of ant movement in the nest.
Source arXiv, 1603.7630
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