The role of context in elucidating drivers of animal movement

Abstract Despite its consequences for ecological processes and population dynamics, intra‐specific variability is frequently overlooked in animal movement studies. Consequently, the necessary resolution to reveal drivers of individual movement decisions is often lost as animal movement data are aggr...

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Main Authors: Nicolas Lubitz, Michael Bradley, Marcus Sheaves, Neil Hammerschlag, Ryan Daly, Adam Barnett
Format: Article
Language:English
Published: Wiley 2022-07-01
Series:Ecology and Evolution
Subjects:
Online Access:https://doi.org/10.1002/ece3.9128
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author Nicolas Lubitz
Michael Bradley
Marcus Sheaves
Neil Hammerschlag
Ryan Daly
Adam Barnett
author_facet Nicolas Lubitz
Michael Bradley
Marcus Sheaves
Neil Hammerschlag
Ryan Daly
Adam Barnett
author_sort Nicolas Lubitz
collection DOAJ
description Abstract Despite its consequences for ecological processes and population dynamics, intra‐specific variability is frequently overlooked in animal movement studies. Consequently, the necessary resolution to reveal drivers of individual movement decisions is often lost as animal movement data are aggregated to infer average or population patterns. Thus, an empirical understanding of why a given movement pattern occurs remains patchy for many taxa, especially in marine systems. Nonetheless, movement is often rationalized as being driven by basic life history requirements, such as acquiring energy (feeding), reproduction, predator‐avoidance, and remaining in suitable environmental conditions. However, these life history requirements are central to every individual within a species and thus do not sufficiently account for the high intra‐specific variability in movement behavior and hence fail to fully explain the occurrence of multiple movement strategies within a species. Animal movement appears highly context dependent as, for example, within the same location, the behavior of both resident and migratory individuals is driven by life history requirements, such as feeding or reproduction, however different movement strategies are utilized to fulfill them. A systematic taxa‐wide approach that, instead of averaging population patterns, incorporates and utilizes intra‐specific variability to enable predictions as to which movement patterns can be expected under a certain context, is needed. Here, we use intra‐specific variability in elasmobranchs as a case study to introduce a stepwise approach for studying animal movement drivers that is based on a context‐dependence framework. We examine relevant literature to illustrate how this context‐focused approach can aid in reliably identifying drivers of a specific movement pattern. Ultimately, incorporating behavioral variability in the study of movement drivers can assist in making predictions about behavioral responses to environmental change, overcoming tagging biases, and establishing more efficient conservation measures.
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spelling doaj.art-8e86820530b44b98ae90d18ad1e84dfc2022-12-22T01:56:02ZengWileyEcology and Evolution2045-77582022-07-01127n/an/a10.1002/ece3.9128The role of context in elucidating drivers of animal movementNicolas Lubitz0Michael Bradley1Marcus Sheaves2Neil Hammerschlag3Ryan Daly4Adam Barnett5College of Science and Engineering James Cook University Townsville Queensland AustraliaMarine Data Technology Hub College of Science and Engineering James Cook University Townsville Queensland AustraliaMarine Data Technology Hub College of Science and Engineering James Cook University Townsville Queensland AustraliaRosenstiel School of Marine and Atmospheric Science University of Miami Miami Florida USAOceanographic Research Institute Durban South AfricaMarine Data Technology Hub College of Science and Engineering James Cook University Townsville Queensland AustraliaAbstract Despite its consequences for ecological processes and population dynamics, intra‐specific variability is frequently overlooked in animal movement studies. Consequently, the necessary resolution to reveal drivers of individual movement decisions is often lost as animal movement data are aggregated to infer average or population patterns. Thus, an empirical understanding of why a given movement pattern occurs remains patchy for many taxa, especially in marine systems. Nonetheless, movement is often rationalized as being driven by basic life history requirements, such as acquiring energy (feeding), reproduction, predator‐avoidance, and remaining in suitable environmental conditions. However, these life history requirements are central to every individual within a species and thus do not sufficiently account for the high intra‐specific variability in movement behavior and hence fail to fully explain the occurrence of multiple movement strategies within a species. Animal movement appears highly context dependent as, for example, within the same location, the behavior of both resident and migratory individuals is driven by life history requirements, such as feeding or reproduction, however different movement strategies are utilized to fulfill them. A systematic taxa‐wide approach that, instead of averaging population patterns, incorporates and utilizes intra‐specific variability to enable predictions as to which movement patterns can be expected under a certain context, is needed. Here, we use intra‐specific variability in elasmobranchs as a case study to introduce a stepwise approach for studying animal movement drivers that is based on a context‐dependence framework. We examine relevant literature to illustrate how this context‐focused approach can aid in reliably identifying drivers of a specific movement pattern. Ultimately, incorporating behavioral variability in the study of movement drivers can assist in making predictions about behavioral responses to environmental change, overcoming tagging biases, and establishing more efficient conservation measures.https://doi.org/10.1002/ece3.9128animal movementbirdscontextelasmobranchsenvironmental changeintra‐specific variability
spellingShingle Nicolas Lubitz
Michael Bradley
Marcus Sheaves
Neil Hammerschlag
Ryan Daly
Adam Barnett
The role of context in elucidating drivers of animal movement
Ecology and Evolution
animal movement
birds
context
elasmobranchs
environmental change
intra‐specific variability
title The role of context in elucidating drivers of animal movement
title_full The role of context in elucidating drivers of animal movement
title_fullStr The role of context in elucidating drivers of animal movement
title_full_unstemmed The role of context in elucidating drivers of animal movement
title_short The role of context in elucidating drivers of animal movement
title_sort role of context in elucidating drivers of animal movement
topic animal movement
birds
context
elasmobranchs
environmental change
intra‐specific variability
url https://doi.org/10.1002/ece3.9128
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