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Optimism for mitigation of climate warming impacts for sea turtles through nest shading and relocation / Nicole Esteban; Jacques-Olivier Laloë; Fionne S. P. L. Kiggen; Selma M. Ubels; Leontine E. Becking; Erik H. Meesters; Jessica Berkel; Graeme C. Hays; Marjolijn J. A. Christianen

Scientific Reports, Volume: 8, Issue: 1

Swansea University Author: Esteban, Nicole

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Abstract

Increasing incubation temperatures may threaten the viability of sea turtle populations. We explored opportunities for decreasing incubation temperatures at a Caribbean rookery with extreme female-biased hatchling production. To investigate the effect of artificial shading, temperatures were measure...

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Published in: Scientific Reports
ISSN: 2045-2322
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa47991
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first_indexed 2018-12-18T20:01:23Z
last_indexed 2019-08-30T14:40:08Z
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spelling 2019-08-30T10:08:15Z v2 47991 2018-12-18 Optimism for mitigation of climate warming impacts for sea turtles through nest shading and relocation Nicole Esteban Nicole Esteban true 0000-0003-4693-7221 false fb2e760b83b4580e7445092982f1f319 900d832f7bd48318357c54a89900ea62 ydEdAF+324qxVxY4uzKa7ggr5y2nBRz3haj4DmVVDsQ= 2018-12-18 CSCI Increasing incubation temperatures may threaten the viability of sea turtle populations. We explored opportunities for decreasing incubation temperatures at a Caribbean rookery with extreme female-biased hatchling production. To investigate the effect of artificial shading, temperatures were measured under simple materials (white sheet, white sand, palm leaves). To test natural drivers of incubation temperature, temperatures were measured at average nest depths with shading on two beaches. Results from a pilot experiment suggest the most effective material was palm leaves. Shading decreased temperatures by a mean of 0.60 °C (SE = 0.10 °C, N = 20). Variation between beaches averaged 1.88 °C (SE = 0.13 °C, N = 20). We used long-term rookery data combined with experimental data to estimate the effect on sex ratio: relocation and shading could shift ratios from current ranges (97-100% female) to 60-90% female. A conservation mitigation matrix summarises our evidence that artificial shading and nest relocation are effective conservation strategies to mitigate impacts of climate warming for sea turtles. Journal article Scientific Reports 8 1 2045-2322 adaptation, Cheloniidae, climate change mitigation, conservation, endangered species, lethal temperatures, temperature-dependant sex determination, reptile 4 12 2018 2018-12-04 10.1038/s41598-018-35821-6 College of Science College CSCI CSCI Centre for Sustainable Aquatic Research None 2019-08-30T10:08:15Z 2018-12-18T16:07:25Z College of Science College of Science Nicole Esteban 1 Jacques-Olivier Laloë 2 Fionne S. P. L. Kiggen 3 Selma M. Ubels 4 Leontine E. Becking 5 Erik H. Meesters 6 Jessica Berkel 7 Graeme C. Hays 8 Marjolijn J. A. Christianen 9 0047991-18122018160923.pdf 47991.pdf 2018-12-18T16:09:23Z Output 1521724 application/pdf VoR true Published to Cronfa 18/12/2018 2018-12-17T00:00:00 Released under the terms of a Creative Commons Attribution 4.0 International License (CC-BY). true eng
title Optimism for mitigation of climate warming impacts for sea turtles through nest shading and relocation
spellingShingle Optimism for mitigation of climate warming impacts for sea turtles through nest shading and relocation
Esteban, Nicole
title_short Optimism for mitigation of climate warming impacts for sea turtles through nest shading and relocation
title_full Optimism for mitigation of climate warming impacts for sea turtles through nest shading and relocation
title_fullStr Optimism for mitigation of climate warming impacts for sea turtles through nest shading and relocation
title_full_unstemmed Optimism for mitigation of climate warming impacts for sea turtles through nest shading and relocation
title_sort Optimism for mitigation of climate warming impacts for sea turtles through nest shading and relocation
author_id_str_mv fb2e760b83b4580e7445092982f1f319
author_id_fullname_str_mv fb2e760b83b4580e7445092982f1f319_***_Esteban, Nicole
author Esteban, Nicole
author2 Nicole Esteban
Jacques-Olivier Laloë
Fionne S. P. L. Kiggen
Selma M. Ubels
Leontine E. Becking
Erik H. Meesters
Jessica Berkel
Graeme C. Hays
Marjolijn J. A. Christianen
format Journal article
container_title Scientific Reports
container_volume 8
container_issue 1
publishDate 2018
institution Swansea University
issn 2045-2322
doi_str_mv 10.1038/s41598-018-35821-6
college_str College of Science
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hierarchy_top_id collegeofscience
hierarchy_top_title College of Science
hierarchy_parent_id collegeofscience
hierarchy_parent_title College of Science
department_str College of Science{{{_:::_}}}College of Science{{{_:::_}}}College of Science
document_store_str 1
active_str 1
researchgroup_str Centre for Sustainable Aquatic Research
description Increasing incubation temperatures may threaten the viability of sea turtle populations. We explored opportunities for decreasing incubation temperatures at a Caribbean rookery with extreme female-biased hatchling production. To investigate the effect of artificial shading, temperatures were measured under simple materials (white sheet, white sand, palm leaves). To test natural drivers of incubation temperature, temperatures were measured at average nest depths with shading on two beaches. Results from a pilot experiment suggest the most effective material was palm leaves. Shading decreased temperatures by a mean of 0.60 °C (SE = 0.10 °C, N = 20). Variation between beaches averaged 1.88 °C (SE = 0.13 °C, N = 20). We used long-term rookery data combined with experimental data to estimate the effect on sex ratio: relocation and shading could shift ratios from current ranges (97-100% female) to 60-90% female. A conservation mitigation matrix summarises our evidence that artificial shading and nest relocation are effective conservation strategies to mitigate impacts of climate warming for sea turtles.
published_date 2018-12-04T05:13:58Z
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