An accuracy assessment of global navigation wildlife-tracking collars in the southern clilean Patagonia

The accuracies of three different global navigation satellite system (GNSS) wildlife-tracking collars were assessed in Torres del Paine National Park in Southern Patagonia, Chile by comparing collar-derived positions against high-accuracy control coordinates. We established control coordinates using...

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Autores principales:	Lawrence-Apfel,Kirstin, Meyer,Thomas H, Arifuzzaman,Kazi, Ortega,Isaac M
Lenguaje:	English
Publicado:	Universidad de Magallanes 2012
Materias:	Global Navigation Satellite System (GNSS) Torres del Paine National Park GPS accuracy assessment GPS wildlife tracking collars
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-686X2012000100014
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spelling	oai:scielo:S0718-686X20120001000142018-09-06An accuracy assessment of global navigation wildlife-tracking collars in the southern clilean PatagoniaLawrence-Apfel,KirstinMeyer,Thomas HArifuzzaman,KaziOrtega,Isaac M Global Navigation Satellite System (GNSS) Torres del Paine National Park GPS accuracy assessment GPS wildlife tracking collars The accuracies of three different global navigation satellite system (GNSS) wildlife-tracking collars were assessed in Torres del Paine National Park in Southern Patagonia, Chile by comparing collar-derived positions against high-accuracy control coordinates. We established control coordinates using dual-frequency, carrier-phase observing GNSS receivers and then compared these high-accuracy positions with the relatively low-accuracy, single-frequency, code-only wildlife-tracking collar positions in two scenarios: (i) stationary testing: three different manufacturers’ collars were assessed on permanent control markers, and (ii) roving testing: one manufacturer’s collar was assessed throughout Torres del Paine National Park in places wildlife might take the collar, including three habitats with increasing sky-obstructing topography and tree canopy. The static results show that, even under ideal conditions, there are statistically significant differences in mean positional accuracy among the collars, but these differences are small compared to the size of the home ranges of the types of animals that would be ftted with a collar. The roving assessment showed that, under open sky, the average errors were consistent with the manufacturer’s claims, but mean-error distances and fx failures (failure to collect a scheduled position) increased with increasing sky obstruction.info:eu-repo/semantics/openAccessUniversidad de MagallanesAnales del Instituto de la Patagonia v.40 n.1 20122012-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-686X2012000100014en10.4067/S0718-686X2012000100014
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Global Navigation Satellite System (GNSS) Torres del Paine National Park GPS accuracy assessment GPS wildlife tracking collars
spellingShingle	Global Navigation Satellite System (GNSS) Torres del Paine National Park GPS accuracy assessment GPS wildlife tracking collars Lawrence-Apfel,Kirstin Meyer,Thomas H Arifuzzaman,Kazi Ortega,Isaac M An accuracy assessment of global navigation wildlife-tracking collars in the southern clilean Patagonia
description	The accuracies of three different global navigation satellite system (GNSS) wildlife-tracking collars were assessed in Torres del Paine National Park in Southern Patagonia, Chile by comparing collar-derived positions against high-accuracy control coordinates. We established control coordinates using dual-frequency, carrier-phase observing GNSS receivers and then compared these high-accuracy positions with the relatively low-accuracy, single-frequency, code-only wildlife-tracking collar positions in two scenarios: (i) stationary testing: three different manufacturers’ collars were assessed on permanent control markers, and (ii) roving testing: one manufacturer’s collar was assessed throughout Torres del Paine National Park in places wildlife might take the collar, including three habitats with increasing sky-obstructing topography and tree canopy. The static results show that, even under ideal conditions, there are statistically significant differences in mean positional accuracy among the collars, but these differences are small compared to the size of the home ranges of the types of animals that would be ftted with a collar. The roving assessment showed that, under open sky, the average errors were consistent with the manufacturer’s claims, but mean-error distances and fx failures (failure to collect a scheduled position) increased with increasing sky obstruction.
author	Lawrence-Apfel,Kirstin Meyer,Thomas H Arifuzzaman,Kazi Ortega,Isaac M
author_facet	Lawrence-Apfel,Kirstin Meyer,Thomas H Arifuzzaman,Kazi Ortega,Isaac M
author_sort	Lawrence-Apfel,Kirstin
title	An accuracy assessment of global navigation wildlife-tracking collars in the southern clilean Patagonia
title_short	An accuracy assessment of global navigation wildlife-tracking collars in the southern clilean Patagonia
title_full	An accuracy assessment of global navigation wildlife-tracking collars in the southern clilean Patagonia
title_fullStr	An accuracy assessment of global navigation wildlife-tracking collars in the southern clilean Patagonia
title_full_unstemmed	An accuracy assessment of global navigation wildlife-tracking collars in the southern clilean Patagonia
title_sort	accuracy assessment of global navigation wildlife-tracking collars in the southern clilean patagonia
publisher	Universidad de Magallanes
publishDate	2012
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-686X2012000100014
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An accuracy assessment of global navigation wildlife-tracking collars in the southern clilean Patagonia

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