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Testing alternative methods for estimation of bird migration phenology from GPS tracking data

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Testing alternative methods for estimation of bird migration phenology from GPS tracking data. / Soriano-Redondo, Andrea; Acácio, Marta; Franco, Aldina M. A.; Herlander Martins, Bruno; Moreira, Francisco; Rogerson, Katharine; Catry, Inês.

In: Ibis, Vol. 162, No. 2, 04.2020, p. 581-588.

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Soriano-Redondo, Andrea ; Acácio, Marta ; Franco, Aldina M. A. ; Herlander Martins, Bruno ; Moreira, Francisco ; Rogerson, Katharine ; Catry, Inês. / Testing alternative methods for estimation of bird migration phenology from GPS tracking data. In: Ibis. 2020 ; Vol. 162, No. 2. pp. 581-588.

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@article{865161da6d7a4584879ca713db3ff8a3,
title = "Testing alternative methods for estimation of bird migration phenology from GPS tracking data",
abstract = "The development and miniaturization of GPS tracking devices has enabled a better understanding of migration phenology, but it can be challenging to identify where and when migration starts and ends, and researchers rely on multiple methods to infer it. Here, we use GPS tracks of 18 trans-Saharan migrant White Storks Ciconia ciconia to determine how the choice of method influences the estimation of migratory timing and discuss its implications. We evaluate and provide R code for the implementation of five alternative methods: spatial threshold, absolute displacement, spatio-temporal displacement, net squared displacement and change point analysis. Spatial threshold, absolute displacement and spatio-temporal displacement methods produce, in most cases, significantly different estimates of migration timing and duration as compared with net squared displacement and change point analysis.",
keywords = "biologging, birds, GPS, GSM loggers, migration phenology, migratory timing",
author = "Andrea Soriano-Redondo and Marta Ac{\'a}cio and Franco, {Aldina M. A.} and {Herlander Martins}, Bruno and Francisco Moreira and Katharine Rogerson and In{\^e}s Catry",
note = "Special Issue: Avian Migration and Movement Special Issue",
year = "2020",
month = apr,
doi = "10.1111/ibi.12809",
language = "English",
volume = "162",
pages = "581--588",
journal = "Ibis",
issn = "0019-1019",
publisher = "Wiley",
number = "2",

}

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TY - JOUR

T1 - Testing alternative methods for estimation of bird migration phenology from GPS tracking data

AU - Soriano-Redondo, Andrea

AU - Acácio, Marta

AU - Franco, Aldina M. A.

AU - Herlander Martins, Bruno

AU - Moreira, Francisco

AU - Rogerson, Katharine

AU - Catry, Inês

N1 - Special Issue: Avian Migration and Movement Special Issue

PY - 2020/4

Y1 - 2020/4

N2 - The development and miniaturization of GPS tracking devices has enabled a better understanding of migration phenology, but it can be challenging to identify where and when migration starts and ends, and researchers rely on multiple methods to infer it. Here, we use GPS tracks of 18 trans-Saharan migrant White Storks Ciconia ciconia to determine how the choice of method influences the estimation of migratory timing and discuss its implications. We evaluate and provide R code for the implementation of five alternative methods: spatial threshold, absolute displacement, spatio-temporal displacement, net squared displacement and change point analysis. Spatial threshold, absolute displacement and spatio-temporal displacement methods produce, in most cases, significantly different estimates of migration timing and duration as compared with net squared displacement and change point analysis.

AB - The development and miniaturization of GPS tracking devices has enabled a better understanding of migration phenology, but it can be challenging to identify where and when migration starts and ends, and researchers rely on multiple methods to infer it. Here, we use GPS tracks of 18 trans-Saharan migrant White Storks Ciconia ciconia to determine how the choice of method influences the estimation of migratory timing and discuss its implications. We evaluate and provide R code for the implementation of five alternative methods: spatial threshold, absolute displacement, spatio-temporal displacement, net squared displacement and change point analysis. Spatial threshold, absolute displacement and spatio-temporal displacement methods produce, in most cases, significantly different estimates of migration timing and duration as compared with net squared displacement and change point analysis.

KW - biologging

KW - birds

KW - GPS

KW - GSM loggers

KW - migration phenology

KW - migratory timing

UR - http://www.scopus.com/inward/record.url?scp=85077869234&partnerID=8YFLogxK

U2 - 10.1111/ibi.12809

DO - 10.1111/ibi.12809

M3 - Article

AN - SCOPUS:85077869234

VL - 162

SP - 581

EP - 588

JO - Ibis

JF - Ibis

SN - 0019-1019

IS - 2

ER -

ID: 175393977