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Dynamic Range Size Analysis of Territorial Animals: An Optimality Approach

Yun Tao, Luca Borger Orcid Logo, Alan Hastings

The American Naturalist, Volume: 188, Issue: 4, Pages: 460 - 474

Swansea University Author: Luca Borger Orcid Logo

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DOI (Published version): 10.1086/688257

Abstract

Home range sizes of territorial animals are often observed to vary periodically in response to sea-sonal changes in foraging opportunities. Here we develop the first mechanistic model focusedon the temporal dynamics of home range expansion and contraction in territorial animals. Wedemonstrate how si...

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Published in: The American Naturalist
ISSN: 0003-0147 1537-5323
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa28841
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first_indexed 2016-06-12T18:23:07Z
last_indexed 2021-07-17T02:45:01Z
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spelling 2021-07-16T14:45:51.9381621 v2 28841 2016-06-12 Dynamic Range Size Analysis of Territorial Animals: An Optimality Approach 8416d0ffc3cccdad6e6d67a455e7c4a2 0000-0001-8763-5997 Luca Borger Luca Borger true false 2016-06-12 SBI Home range sizes of territorial animals are often observed to vary periodically in response to sea-sonal changes in foraging opportunities. Here we develop the first mechanistic model focusedon the temporal dynamics of home range expansion and contraction in territorial animals. Wedemonstrate how simple movement principles can lead to a rich suite of range size dynamics, bybalancing foraging activity with defensive requirements and incorporating optimal behavioral rulesinto mechanistic home range analysis. Our heuristic model predicts three general temporal patternsthat have been observed in empirical studies across multiple taxa. First, a positive correlation be-tween age and territory quality promotes shrinking home ranges over an individual’s lifetime, withmaximal range size variability shortly before the adult stage. Second, poor sensory information,low population density, and large resource heterogeneity may all independently facilitate range sizeinstability. Finally, aggregation behavior towards forage-rich areas helps produce divergent homerange responses between individuals from different age classes. This model has broad applica-tions for addressing important unknowns in animal space use, with potential applications also inconservation and health management strategies. Journal Article The American Naturalist 188 4 460 474 0003-0147 1537-5323 movement ecology, optimal behavior, home range, territoriality 1 10 2016 2016-10-01 10.1086/688257 http://www.journals.uchicago.edu/doi/abs/10.1086/688257 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2021-07-16T14:45:51.9381621 2016-06-12T17:28:15.9441324 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Yun Tao 1 Luca Borger 0000-0001-8763-5997 2 Alan Hastings 3 0028841-22092016081049.pdf 688257VOR.pdf 2016-09-22T08:10:49.7630000 Output 1136218 application/pdf Version of Record true 2017-08-23T00:00:00.0000000 true 0028841-12062016173916.pdf Tao_etal_acceptedVersion.pdf 2016-06-12T17:39:16.7630000 Output 2778603 application/pdf Accepted Manuscript true 2017-08-12T00:00:00.0000000 Journal prefers published version to be made available after 12mo embargo so have retracted this version and uploaded the other, SO true
title Dynamic Range Size Analysis of Territorial Animals: An Optimality Approach
spellingShingle Dynamic Range Size Analysis of Territorial Animals: An Optimality Approach
Luca Borger
title_short Dynamic Range Size Analysis of Territorial Animals: An Optimality Approach
title_full Dynamic Range Size Analysis of Territorial Animals: An Optimality Approach
title_fullStr Dynamic Range Size Analysis of Territorial Animals: An Optimality Approach
title_full_unstemmed Dynamic Range Size Analysis of Territorial Animals: An Optimality Approach
title_sort Dynamic Range Size Analysis of Territorial Animals: An Optimality Approach
author_id_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2
author_id_fullname_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2_***_Luca Borger
author Luca Borger
author2 Yun Tao
Luca Borger
Alan Hastings
format Journal article
container_title The American Naturalist
container_volume 188
container_issue 4
container_start_page 460
publishDate 2016
institution Swansea University
issn 0003-0147
1537-5323
doi_str_mv 10.1086/688257
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
url http://www.journals.uchicago.edu/doi/abs/10.1086/688257
document_store_str 1
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description Home range sizes of territorial animals are often observed to vary periodically in response to sea-sonal changes in foraging opportunities. Here we develop the first mechanistic model focusedon the temporal dynamics of home range expansion and contraction in territorial animals. Wedemonstrate how simple movement principles can lead to a rich suite of range size dynamics, bybalancing foraging activity with defensive requirements and incorporating optimal behavioral rulesinto mechanistic home range analysis. Our heuristic model predicts three general temporal patternsthat have been observed in empirical studies across multiple taxa. First, a positive correlation be-tween age and territory quality promotes shrinking home ranges over an individual’s lifetime, withmaximal range size variability shortly before the adult stage. Second, poor sensory information,low population density, and large resource heterogeneity may all independently facilitate range sizeinstability. Finally, aggregation behavior towards forage-rich areas helps produce divergent homerange responses between individuals from different age classes. This model has broad applica-tions for addressing important unknowns in animal space use, with potential applications also inconservation and health management strategies.
published_date 2016-10-01T03:35:12Z
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