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Memory keeps you at home: a mechanistic model for home range emergence

Bram Van Moorter, Darcy Visscher, Simon Benhamou, Luca Borger Orcid Logo, Mark S Boyce, Jean-Michel Gaillard

Oikos, Volume: 118, Issue: 5, Pages: 641 - 652

Swansea University Author: Luca Borger Orcid Logo

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DOI (Published version): 10.1111/j.1600-0706.2008.17003.x

Abstract

Despite its central place in animal ecology no general mechanistic movement model with an emergent home-range pattern has yet been proposed. Random walk models, which are commonly used to model animal movement, show diffusion instead of a bounded home range and therefore require special modification...

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Published in: Oikos
Published: 2009
URI: https://cronfa.swan.ac.uk/Record/cronfa16621
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spelling 2021-07-16T14:58:31.8108714 v2 16621 2013-12-14 Memory keeps you at home: a mechanistic model for home range emergence 8416d0ffc3cccdad6e6d67a455e7c4a2 0000-0001-8763-5997 Luca Borger Luca Borger true false 2013-12-14 SBI Despite its central place in animal ecology no general mechanistic movement model with an emergent home-range pattern has yet been proposed. Random walk models, which are commonly used to model animal movement, show diffusion instead of a bounded home range and therefore require special modifications. Current approaches for mechanistic modeling of home ranges apply only to a limited set of taxa, namely territorial animals and/or central place foragers. In this paper we present a more general mechanistic movement model based on a biased correlated random walk, which shows the potential for home-range behavior. The model is based on an animal tracking a dynamic resource landscape, using a biologically plausible two-part memory system, i.e. a reference- and a working-memory. Our results show that by adding these memory processes the random walker produces home-range behavior as it gains experience, which also leads to more efficient resource use. Interestingly, home-range patterns, which we assessed based on home-range overlap and increase in area covered with time, require the combined action of both memory components to emerge. Our model has the potential to predict home-range size and can be used for comparative analysis of the mechanisms shaping home-range patterns. Journal Article Oikos 118 5 641 652 home range, diffusion, random walk, spatial ecology, movement ecology, memory. 31 12 2009 2009-12-31 10.1111/j.1600-0706.2008.17003.x COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2021-07-16T14:58:31.8108714 2013-12-14T01:15:16.5870854 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Bram Van Moorter 1 Darcy Visscher 2 Simon Benhamou 3 Luca Borger 0000-0001-8763-5997 4 Mark S Boyce 5 Jean-Michel Gaillard 6
title Memory keeps you at home: a mechanistic model for home range emergence
spellingShingle Memory keeps you at home: a mechanistic model for home range emergence
Luca Borger
title_short Memory keeps you at home: a mechanistic model for home range emergence
title_full Memory keeps you at home: a mechanistic model for home range emergence
title_fullStr Memory keeps you at home: a mechanistic model for home range emergence
title_full_unstemmed Memory keeps you at home: a mechanistic model for home range emergence
title_sort Memory keeps you at home: a mechanistic model for home range emergence
author_id_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2
author_id_fullname_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2_***_Luca Borger
author Luca Borger
author2 Bram Van Moorter
Darcy Visscher
Simon Benhamou
Luca Borger
Mark S Boyce
Jean-Michel Gaillard
format Journal article
container_title Oikos
container_volume 118
container_issue 5
container_start_page 641
publishDate 2009
institution Swansea University
doi_str_mv 10.1111/j.1600-0706.2008.17003.x
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 0
active_str 0
description Despite its central place in animal ecology no general mechanistic movement model with an emergent home-range pattern has yet been proposed. Random walk models, which are commonly used to model animal movement, show diffusion instead of a bounded home range and therefore require special modifications. Current approaches for mechanistic modeling of home ranges apply only to a limited set of taxa, namely territorial animals and/or central place foragers. In this paper we present a more general mechanistic movement model based on a biased correlated random walk, which shows the potential for home-range behavior. The model is based on an animal tracking a dynamic resource landscape, using a biologically plausible two-part memory system, i.e. a reference- and a working-memory. Our results show that by adding these memory processes the random walker produces home-range behavior as it gains experience, which also leads to more efficient resource use. Interestingly, home-range patterns, which we assessed based on home-range overlap and increase in area covered with time, require the combined action of both memory components to emerge. Our model has the potential to predict home-range size and can be used for comparative analysis of the mechanisms shaping home-range patterns.
published_date 2009-12-31T03:19:00Z
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score 11.036837

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