Correlated velocity models as a fundamental unit of animal movement : synthesis and applications
Abstract Background Continuous time movement models resolve many of the problems with scaling, sampling, and interpretation that affect discrete movement models. They can, however, be challenging to estimate, have been presented in inconsistent ways, and are not widely used. Methods We review the li...
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ftunivhelsihelda:oai:helda.helsinki.fi:10138/183619 2023-08-20T04:05:24+02:00 Correlated velocity models as a fundamental unit of animal movement : synthesis and applications Gurarie, Eliezer Fleming, Christen H Fagan, William F. Laidre, Kristin L. Hernández-Pliego, Jesús Ovaskainen, Otso 2017-05-10T03:42:25Z application/pdf http://hdl.handle.net/10138/183619 eng eng BioMed Central Movement Ecology. 2017 May 10;5(1):13 http://hdl.handle.net/10138/183619 The Author(s) Correlated velocity movement Velocity autocovariance function Correlated random walk Integrated Ornstein-Uhlenbeck process Balaena mysticetus Thermal soaring Falco naumanni http://purl.org/eprint/entityType/ScholarlyWork http://purl.org/eprint/entityType/Expression http://purl.org/eprint/type/JournalArticle 2017 ftunivhelsihelda 2023-07-28T06:08:52Z Abstract Background Continuous time movement models resolve many of the problems with scaling, sampling, and interpretation that affect discrete movement models. They can, however, be challenging to estimate, have been presented in inconsistent ways, and are not widely used. Methods We review the literature on integrated Ornstein-Uhlenbeck velocity models and propose four fundamental correlated velocity movement models (CVM’s): random, advective, rotational, and rotational-advective. The models are defined in terms of biologically meaningful speeds and time scales of autocorrelation. We summarize several approaches to estimating the models, and apply these tools for the higher order task of behavioral partitioning via change point analysis. Results An array of simulation illustrate the precision and accuracy of the estimation tools. An analysis of a swimming track of a bowhead whale (Balaena mysticetus) illustrates their robustness to irregular and sparse sampling and identifies switches between slower and faster, and directed vs. random movements. An analysis of a short flight of a lesser kestrel (Falco naumanni) identifies exact moments when switches occur between loopy, thermal soaring and directed flapping or gliding flights. Conclusions We provide tools to estimate parameters and perform change point analyses in continuous time movement models as an R package (smoove). These resources, together with the synthesis, should facilitate the wider application and development of correlated velocity models among movement ecologists. Article in Journal/Newspaper Balaena mysticetus bowhead whale Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto |
institution |
Open Polar |
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Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto |
op_collection_id |
ftunivhelsihelda |
language |
English |
topic |
Correlated velocity movement Velocity autocovariance function Correlated random walk Integrated Ornstein-Uhlenbeck process Balaena mysticetus Thermal soaring Falco naumanni |
spellingShingle |
Correlated velocity movement Velocity autocovariance function Correlated random walk Integrated Ornstein-Uhlenbeck process Balaena mysticetus Thermal soaring Falco naumanni Gurarie, Eliezer Fleming, Christen H Fagan, William F. Laidre, Kristin L. Hernández-Pliego, Jesús Ovaskainen, Otso Correlated velocity models as a fundamental unit of animal movement : synthesis and applications |
topic_facet |
Correlated velocity movement Velocity autocovariance function Correlated random walk Integrated Ornstein-Uhlenbeck process Balaena mysticetus Thermal soaring Falco naumanni |
description |
Abstract Background Continuous time movement models resolve many of the problems with scaling, sampling, and interpretation that affect discrete movement models. They can, however, be challenging to estimate, have been presented in inconsistent ways, and are not widely used. Methods We review the literature on integrated Ornstein-Uhlenbeck velocity models and propose four fundamental correlated velocity movement models (CVM’s): random, advective, rotational, and rotational-advective. The models are defined in terms of biologically meaningful speeds and time scales of autocorrelation. We summarize several approaches to estimating the models, and apply these tools for the higher order task of behavioral partitioning via change point analysis. Results An array of simulation illustrate the precision and accuracy of the estimation tools. An analysis of a swimming track of a bowhead whale (Balaena mysticetus) illustrates their robustness to irregular and sparse sampling and identifies switches between slower and faster, and directed vs. random movements. An analysis of a short flight of a lesser kestrel (Falco naumanni) identifies exact moments when switches occur between loopy, thermal soaring and directed flapping or gliding flights. Conclusions We provide tools to estimate parameters and perform change point analyses in continuous time movement models as an R package (smoove). These resources, together with the synthesis, should facilitate the wider application and development of correlated velocity models among movement ecologists. |
format |
Article in Journal/Newspaper |
author |
Gurarie, Eliezer Fleming, Christen H Fagan, William F. Laidre, Kristin L. Hernández-Pliego, Jesús Ovaskainen, Otso |
author_facet |
Gurarie, Eliezer Fleming, Christen H Fagan, William F. Laidre, Kristin L. Hernández-Pliego, Jesús Ovaskainen, Otso |
author_sort |
Gurarie, Eliezer |
title |
Correlated velocity models as a fundamental unit of animal movement : synthesis and applications |
title_short |
Correlated velocity models as a fundamental unit of animal movement : synthesis and applications |
title_full |
Correlated velocity models as a fundamental unit of animal movement : synthesis and applications |
title_fullStr |
Correlated velocity models as a fundamental unit of animal movement : synthesis and applications |
title_full_unstemmed |
Correlated velocity models as a fundamental unit of animal movement : synthesis and applications |
title_sort |
correlated velocity models as a fundamental unit of animal movement : synthesis and applications |
publisher |
BioMed Central |
publishDate |
2017 |
url |
http://hdl.handle.net/10138/183619 |
genre |
Balaena mysticetus bowhead whale |
genre_facet |
Balaena mysticetus bowhead whale |
op_relation |
Movement Ecology. 2017 May 10;5(1):13 http://hdl.handle.net/10138/183619 |
op_rights |
The Author(s) |
_version_ |
1774715925370503168 |