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The Relationship Between GPS Sampling Interval and Estimated Daily Travel Distances in Chacma Baboons (Papio ursinus)

R. McCann, Anna Bracken, Charlotte Christensen, Ines Fuertbauer Orcid Logo, Andrew King Orcid Logo

International Journal of Primatology, Volume: 42, Pages: 589 - 599

Swansea University Authors: Anna Bracken, Charlotte Christensen, Ines Fuertbauer Orcid Logo, Andrew King Orcid Logo

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DOI (Published version): 10.1007/s10764-021-00220-8

Abstract

Modern studies of animal movement use the Global Positioning System (GPS) to estimate animals’ distance traveled. The temporal resolution of GPS fixes recorded should match those of the behavior of interest; otherwise estimates are likely to be inappropriate. Here, we investigate how different GPS s...

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Published in: International Journal of Primatology
ISSN: 0164-0291 1573-8604
Published: Springer Science and Business Media LLC 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa56993
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spelling 2021-11-02T15:28:44.1949083 v2 56993 2021-06-01 The Relationship Between GPS Sampling Interval and Estimated Daily Travel Distances in Chacma Baboons (Papio ursinus) cfca3b883779efc03ecf86352832b39f Anna Bracken Anna Bracken true false 707c5165eb55a87ab23bc5bb9a10826f Charlotte Christensen Charlotte Christensen true false f682ec95fa97c4fabb57dc098a9fdaaa 0000-0003-1404-6280 Ines Fuertbauer Ines Fuertbauer true false cc115b4bc4672840f960acc1cb078642 0000-0002-6870-9767 Andrew King Andrew King true false 2021-06-01 SBI Modern studies of animal movement use the Global Positioning System (GPS) to estimate animals’ distance traveled. The temporal resolution of GPS fixes recorded should match those of the behavior of interest; otherwise estimates are likely to be inappropriate. Here, we investigate how different GPS sampling intervals affect estimated daily travel distances for wild chacma baboons (Papio ursinus). By subsampling GPS data collected at one fix per second for 143 daily travel distances (12 baboons over 11–12 days), we found that less frequent GPS fixes result in smaller estimated travel distances. Moving from a GPS frequency of one fix every second to one fix every 30 s resulted in a 33% reduction in estimated daily travel distance, while using hourly GPS fixes resulted in a 66% reduction. We then use the relationship we find between estimated travel distance and GPS sampling interval to recalculate published baboon daily travel distances and find that accounting for the predicted effect of sampling interval does not affect conclusions of previous comparative analyses. However, if short-interval or continuous GPS data—which are becoming more common in studies of primate movement ecology—are compared with historical (longer interval) GPS data in future work, controlling for sampling interval is necessary. Journal Article International Journal of Primatology 42 589 599 Springer Science and Business Media LLC 0164-0291 1573-8604 Daily travel distance; Day path length; GPS; Movement ecology; Papio ursinus 1 8 2021 2021-08-01 10.1007/s10764-021-00220-8 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University SU Library paid the OA fee (TA Institutional Deal) 2021-11-02T15:28:44.1949083 2021-06-01T09:04:00.5232512 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences R. McCann 1 Anna Bracken 2 Charlotte Christensen 3 Ines Fuertbauer 0000-0003-1404-6280 4 Andrew King 0000-0002-6870-9767 5 56993__20036__1a715e28500740538deaca835b2b7c88.pdf McCann_et_al-2021-International_Journal_of_Primatology.pdf 2021-06-01T09:06:01.3649417 Output 654512 application/pdf Version of Record true ©The Author(s) 2021. This article is licensed under a Creative Commons Attribution 4.0 International License true eng http://creativecommons.org/licenses/by/4.0/
title The Relationship Between GPS Sampling Interval and Estimated Daily Travel Distances in Chacma Baboons (Papio ursinus)
spellingShingle The Relationship Between GPS Sampling Interval and Estimated Daily Travel Distances in Chacma Baboons (Papio ursinus)
Anna Bracken
Charlotte Christensen
Ines Fuertbauer
Andrew King
title_short The Relationship Between GPS Sampling Interval and Estimated Daily Travel Distances in Chacma Baboons (Papio ursinus)
title_full The Relationship Between GPS Sampling Interval and Estimated Daily Travel Distances in Chacma Baboons (Papio ursinus)
title_fullStr The Relationship Between GPS Sampling Interval and Estimated Daily Travel Distances in Chacma Baboons (Papio ursinus)
title_full_unstemmed The Relationship Between GPS Sampling Interval and Estimated Daily Travel Distances in Chacma Baboons (Papio ursinus)
title_sort The Relationship Between GPS Sampling Interval and Estimated Daily Travel Distances in Chacma Baboons (Papio ursinus)
author_id_str_mv cfca3b883779efc03ecf86352832b39f
707c5165eb55a87ab23bc5bb9a10826f
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author_id_fullname_str_mv cfca3b883779efc03ecf86352832b39f_***_Anna Bracken
707c5165eb55a87ab23bc5bb9a10826f_***_Charlotte Christensen
f682ec95fa97c4fabb57dc098a9fdaaa_***_Ines Fuertbauer
cc115b4bc4672840f960acc1cb078642_***_Andrew King
author Anna Bracken
Charlotte Christensen
Ines Fuertbauer
Andrew King
author2 R. McCann
Anna Bracken
Charlotte Christensen
Ines Fuertbauer
Andrew King
format Journal article
container_title International Journal of Primatology
container_volume 42
container_start_page 589
publishDate 2021
institution Swansea University
issn 0164-0291
1573-8604
doi_str_mv 10.1007/s10764-021-00220-8
publisher Springer Science and Business Media LLC
college_str Faculty of Science and Engineering
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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
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description Modern studies of animal movement use the Global Positioning System (GPS) to estimate animals’ distance traveled. The temporal resolution of GPS fixes recorded should match those of the behavior of interest; otherwise estimates are likely to be inappropriate. Here, we investigate how different GPS sampling intervals affect estimated daily travel distances for wild chacma baboons (Papio ursinus). By subsampling GPS data collected at one fix per second for 143 daily travel distances (12 baboons over 11–12 days), we found that less frequent GPS fixes result in smaller estimated travel distances. Moving from a GPS frequency of one fix every second to one fix every 30 s resulted in a 33% reduction in estimated daily travel distance, while using hourly GPS fixes resulted in a 66% reduction. We then use the relationship we find between estimated travel distance and GPS sampling interval to recalculate published baboon daily travel distances and find that accounting for the predicted effect of sampling interval does not affect conclusions of previous comparative analyses. However, if short-interval or continuous GPS data—which are becoming more common in studies of primate movement ecology—are compared with historical (longer interval) GPS data in future work, controlling for sampling interval is necessary.
published_date 2021-08-01T04:12:23Z
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