Regional Ranking of Marine Turtle Nesting in Remote Western Australia by Integrating Traditional Ecological Knowledge and Remote Sensing

Western Australia’s remote Kimberley coastline spans multiple Traditional Owner estates. Marine turtle nesting distribution and abundance in Indigenous Protected Areas and newly declared Marine Parks were assessed by aerial photogrammetry surveys for the Austral summer and winter nesting seasons. Im...

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Autores principales:	Anton D. Tucker, Kellie L. Pendoley, Kathy Murray, Graham Loewenthal, Chris Barber, Jai Denda, Gina Lincoln, Dean Mathews, Daniel Oades, Scott D. Whiting, Miriuwung Gajerrong Rangers, Balanggarra Rangers, Wunambal Gaambera Rangers, Dambimangari Rangers, Mayala Rangers, Bardi Jawi Rangers, Nyul Nyul Rangers, Yawuru Rangers, Karajarri Rangers, Nyangumarta Rangers, Ngarla Rangers
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	co-management aerial survey photogrammetry sea turtle track count nesting distribution Science Q
Acceso en línea:	https://doaj.org/article/0d4abd579daa4cc287182560da0cf3fd
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spelling	oai:doaj.org-article:0d4abd579daa4cc287182560da0cf3fd2021-11-25T18:55:30ZRegional Ranking of Marine Turtle Nesting in Remote Western Australia by Integrating Traditional Ecological Knowledge and Remote Sensing10.3390/rs132246962072-4292https://doaj.org/article/0d4abd579daa4cc287182560da0cf3fd2021-11-01T00:00:00Zhttps://www.mdpi.com/2072-4292/13/22/4696https://doaj.org/toc/2072-4292Western Australia’s remote Kimberley coastline spans multiple Traditional Owner estates. Marine turtle nesting distribution and abundance in Indigenous Protected Areas and newly declared Marine Parks were assessed by aerial photogrammetry surveys for the Austral summer and winter nesting seasons. Images of nesting tracks were quantified in the lab and verified by ad hoc ground patrols. The rankings of log-scaled plots of track abundance and density give guidance to regional co-management planning. Spatial and temporal differences were detected in that remoter islands had higher nesting usage and few terrestrial predators. The surveys found year-round green turtle nesting peaking in summer, as well as spatial boundaries to the summer and winter flatback stocks. Summer surveys recorded 126.2 island activities per km and 17.7 mainland activities per km. Winter surveys recorded 65.3 island activities per km and quantified a known winter mainland rookery with 888 tracks/km. The three highest density rookeries were found to be winter flatback turtles at Cape Domett, summer green turtles at the Lacepede Islands and summer flatback turtles at Eighty Mile Beach. Moderate to lesser density nesting by summer green turtles and winter flatback turtles occurred in the North Kimberley offshore islands. Traditional Ecological Knowledge and ground-based surveys verified the harder-to-detect species (olive ridley or hawksbill turtles) with irregular nesting, low track persistence and non-aggregated nesting. Higher-density rookeries may provide locations for long-term monitoring using repeated aerial or ground surveys; however, the sparse or infrequently nesting species require insights gleaned by Tradition Ecological Knowledge. Common and conspicuous nesters are easily detected and ranked, but better-informed co-management requires additional ground surveys or surveys timed with the reproductive peaks of rarer species.Anton D. TuckerKellie L. PendoleyKathy MurrayGraham LoewenthalChris BarberJai DendaGina LincolnDean MathewsDaniel OadesScott D. WhitingMiriuwung Gajerrong RangersBalanggarra RangersWunambal Gaambera RangersDambimangari RangersMayala RangersBardi Jawi RangersNyul Nyul RangersYawuru RangersKarajarri RangersNyangumarta RangersNgarla RangersMDPI AGarticleco-managementaerial surveyphotogrammetrysea turtletrack countnesting distributionScienceQENRemote Sensing, Vol 13, Iss 4696, p 4696 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	co-management aerial survey photogrammetry sea turtle track count nesting distribution Science Q
spellingShingle	co-management aerial survey photogrammetry sea turtle track count nesting distribution Science Q Anton D. Tucker Kellie L. Pendoley Kathy Murray Graham Loewenthal Chris Barber Jai Denda Gina Lincoln Dean Mathews Daniel Oades Scott D. Whiting Miriuwung Gajerrong Rangers Balanggarra Rangers Wunambal Gaambera Rangers Dambimangari Rangers Mayala Rangers Bardi Jawi Rangers Nyul Nyul Rangers Yawuru Rangers Karajarri Rangers Nyangumarta Rangers Ngarla Rangers Regional Ranking of Marine Turtle Nesting in Remote Western Australia by Integrating Traditional Ecological Knowledge and Remote Sensing
description	Western Australia’s remote Kimberley coastline spans multiple Traditional Owner estates. Marine turtle nesting distribution and abundance in Indigenous Protected Areas and newly declared Marine Parks were assessed by aerial photogrammetry surveys for the Austral summer and winter nesting seasons. Images of nesting tracks were quantified in the lab and verified by ad hoc ground patrols. The rankings of log-scaled plots of track abundance and density give guidance to regional co-management planning. Spatial and temporal differences were detected in that remoter islands had higher nesting usage and few terrestrial predators. The surveys found year-round green turtle nesting peaking in summer, as well as spatial boundaries to the summer and winter flatback stocks. Summer surveys recorded 126.2 island activities per km and 17.7 mainland activities per km. Winter surveys recorded 65.3 island activities per km and quantified a known winter mainland rookery with 888 tracks/km. The three highest density rookeries were found to be winter flatback turtles at Cape Domett, summer green turtles at the Lacepede Islands and summer flatback turtles at Eighty Mile Beach. Moderate to lesser density nesting by summer green turtles and winter flatback turtles occurred in the North Kimberley offshore islands. Traditional Ecological Knowledge and ground-based surveys verified the harder-to-detect species (olive ridley or hawksbill turtles) with irregular nesting, low track persistence and non-aggregated nesting. Higher-density rookeries may provide locations for long-term monitoring using repeated aerial or ground surveys; however, the sparse or infrequently nesting species require insights gleaned by Tradition Ecological Knowledge. Common and conspicuous nesters are easily detected and ranked, but better-informed co-management requires additional ground surveys or surveys timed with the reproductive peaks of rarer species.
format	article
author	Anton D. Tucker Kellie L. Pendoley Kathy Murray Graham Loewenthal Chris Barber Jai Denda Gina Lincoln Dean Mathews Daniel Oades Scott D. Whiting Miriuwung Gajerrong Rangers Balanggarra Rangers Wunambal Gaambera Rangers Dambimangari Rangers Mayala Rangers Bardi Jawi Rangers Nyul Nyul Rangers Yawuru Rangers Karajarri Rangers Nyangumarta Rangers Ngarla Rangers
author_facet	Anton D. Tucker Kellie L. Pendoley Kathy Murray Graham Loewenthal Chris Barber Jai Denda Gina Lincoln Dean Mathews Daniel Oades Scott D. Whiting Miriuwung Gajerrong Rangers Balanggarra Rangers Wunambal Gaambera Rangers Dambimangari Rangers Mayala Rangers Bardi Jawi Rangers Nyul Nyul Rangers Yawuru Rangers Karajarri Rangers Nyangumarta Rangers Ngarla Rangers
author_sort	Anton D. Tucker
title	Regional Ranking of Marine Turtle Nesting in Remote Western Australia by Integrating Traditional Ecological Knowledge and Remote Sensing
title_short	Regional Ranking of Marine Turtle Nesting in Remote Western Australia by Integrating Traditional Ecological Knowledge and Remote Sensing
title_full	Regional Ranking of Marine Turtle Nesting in Remote Western Australia by Integrating Traditional Ecological Knowledge and Remote Sensing
title_fullStr	Regional Ranking of Marine Turtle Nesting in Remote Western Australia by Integrating Traditional Ecological Knowledge and Remote Sensing
title_full_unstemmed	Regional Ranking of Marine Turtle Nesting in Remote Western Australia by Integrating Traditional Ecological Knowledge and Remote Sensing
title_sort	regional ranking of marine turtle nesting in remote western australia by integrating traditional ecological knowledge and remote sensing
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/0d4abd579daa4cc287182560da0cf3fd
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Regional Ranking of Marine Turtle Nesting in Remote Western Australia by Integrating Traditional Ecological Knowledge and Remote Sensing

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