On random walk models as a baseline for animal movement in three-dimensional space

Ahmed, Danish A.; Bailey, Joseph D.; Bonsall, Michael B.

doi:10.1016/j.ecolmodel.2022.110169

Ecological Modelling

2023

DOI: 10.1016/j.ecolmodel.2022.110169

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On random walk models as a baseline for animal movement in three-dimensional space

Danish A. Ahmed

Joseph D. Bailey

Michael B. Bonsall

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2024

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Movement in 3D: Novel Opportunities for Understanding Animal Behaviour and Space Use

Lennox,

Adam,

Riha

et al. 2024

Ethology

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Animals move in three spatial dimensions, but many animal movement tools have only focused on the use of 2D coordinates for modelling space use, habitat selection, behavioural classification, social interactions and movement. Here, we submit that many common movement ecology analyses can and should be extended to consider all three spatial dimensions to make more robust inferences about ecological processes. We provide an overview of how home range analysis, network analysis and social network analysis, hidden Markov models, resource selection and step selection functions and hierarchical linear and additive models are used for studying animal movement in two dimensions. Then, we explain how the third dimension, z, can be used within these existing frameworks to consider how depth and altitude affect key ecological inferences drawn from animal tracking data. Our position builds on empirical and theoretical work about how three‐dimensional methods can contribute to stronger inferences in movement ecology. Key limitations to operationalisation of this framework include calibration of uncertainty in pressure sensors used to measure depth and altitude, visualisation and rendering of three‐dimensional data to make them interpretable and understandable to end‐users and generally more conventional and accepted methods for using three dimensions when conducting standard animal movement analyses.

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Movement in 3D: Novel Opportunities for Understanding Animal Behaviour and Space Use

Lennox,

Adam,

Riha

et al. 2024

Ethology

View full text Add to dashboard Cite

show abstract

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On random walk models as a baseline for animal movement in three-dimensional space

Cited by 1 publication

References 52 publications

Movement in 3D: Novel Opportunities for Understanding Animal Behaviour and Space Use

Movement in 3D: Novel Opportunities for Understanding Animal Behaviour and Space Use

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