Avoidance of different durations, colours and intensities of artificial light by adult seabirds

Abstract There is increasing evidence for impacts of light pollution on the physiology and behaviour of wild animals. Nocturnally active Procellariiform seabirds are often found grounded in areas polluted by light and struggle to take to the air again without human intervention. Hence, understanding...

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Autores principales:	Martyna Syposz, Oliver Padget, Jay Willis, Benjamin M. Van Doren, Natasha Gillies, Annette L. Fayet, Matt J. Wood, Aarón Alejo, Tim Guilford
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d18ee29f3848407b8f51b6a94e18614f
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spelling	oai:doaj.org-article:d18ee29f3848407b8f51b6a94e18614f2021-12-02T15:15:04ZAvoidance of different durations, colours and intensities of artificial light by adult seabirds10.1038/s41598-021-97986-x2045-2322https://doaj.org/article/d18ee29f3848407b8f51b6a94e18614f2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97986-xhttps://doaj.org/toc/2045-2322Abstract There is increasing evidence for impacts of light pollution on the physiology and behaviour of wild animals. Nocturnally active Procellariiform seabirds are often found grounded in areas polluted by light and struggle to take to the air again without human intervention. Hence, understanding their responses to different wavelengths and intensities of light is urgently needed to inform mitigation measures. Here, we demonstrate how different light characteristics can affect the nocturnal flight of Manx shearwaters Puffinus puffinus by experimentally introducing lights at a colony subject to low levels of light pollution due to passing ships and coastal developments. The density of birds in flight above the colony was measured using a thermal imaging camera. We compared number of flying shearwaters under dark conditions and in response to an artificially introduced light, and observed fewer birds in flight during ‘light-on’ periods, suggesting that adult shearwaters were repelled by the light. This effect was stronger with higher light intensity, increasing duration of ‘light-on’ periods and with green and blue compared to red light. Thus, we recommend lower light intensity, red colour, and shorter duration of ‘light-on’ periods as mitigation measures to reduce the effects of light at breeding colonies and in their vicinity.Martyna SyposzOliver PadgetJay WillisBenjamin M. Van DorenNatasha GilliesAnnette L. FayetMatt J. WoodAarón AlejoTim GuilfordNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Martyna Syposz Oliver Padget Jay Willis Benjamin M. Van Doren Natasha Gillies Annette L. Fayet Matt J. Wood Aarón Alejo Tim Guilford Avoidance of different durations, colours and intensities of artificial light by adult seabirds
description	Abstract There is increasing evidence for impacts of light pollution on the physiology and behaviour of wild animals. Nocturnally active Procellariiform seabirds are often found grounded in areas polluted by light and struggle to take to the air again without human intervention. Hence, understanding their responses to different wavelengths and intensities of light is urgently needed to inform mitigation measures. Here, we demonstrate how different light characteristics can affect the nocturnal flight of Manx shearwaters Puffinus puffinus by experimentally introducing lights at a colony subject to low levels of light pollution due to passing ships and coastal developments. The density of birds in flight above the colony was measured using a thermal imaging camera. We compared number of flying shearwaters under dark conditions and in response to an artificially introduced light, and observed fewer birds in flight during ‘light-on’ periods, suggesting that adult shearwaters were repelled by the light. This effect was stronger with higher light intensity, increasing duration of ‘light-on’ periods and with green and blue compared to red light. Thus, we recommend lower light intensity, red colour, and shorter duration of ‘light-on’ periods as mitigation measures to reduce the effects of light at breeding colonies and in their vicinity.
format	article
author	Martyna Syposz Oliver Padget Jay Willis Benjamin M. Van Doren Natasha Gillies Annette L. Fayet Matt J. Wood Aarón Alejo Tim Guilford
author_facet	Martyna Syposz Oliver Padget Jay Willis Benjamin M. Van Doren Natasha Gillies Annette L. Fayet Matt J. Wood Aarón Alejo Tim Guilford
author_sort	Martyna Syposz
title	Avoidance of different durations, colours and intensities of artificial light by adult seabirds
title_short	Avoidance of different durations, colours and intensities of artificial light by adult seabirds
title_full	Avoidance of different durations, colours and intensities of artificial light by adult seabirds
title_fullStr	Avoidance of different durations, colours and intensities of artificial light by adult seabirds
title_full_unstemmed	Avoidance of different durations, colours and intensities of artificial light by adult seabirds
title_sort	avoidance of different durations, colours and intensities of artificial light by adult seabirds
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/d18ee29f3848407b8f51b6a94e18614f
work_keys_str_mv	AT martynasyposz avoidanceofdifferentdurationscoloursandintensitiesofartificiallightbyadultseabirds AT oliverpadget avoidanceofdifferentdurationscoloursandintensitiesofartificiallightbyadultseabirds AT jaywillis avoidanceofdifferentdurationscoloursandintensitiesofartificiallightbyadultseabirds AT benjaminmvandoren avoidanceofdifferentdurationscoloursandintensitiesofartificiallightbyadultseabirds AT natashagillies avoidanceofdifferentdurationscoloursandintensitiesofartificiallightbyadultseabirds AT annettelfayet avoidanceofdifferentdurationscoloursandintensitiesofartificiallightbyadultseabirds AT mattjwood avoidanceofdifferentdurationscoloursandintensitiesofartificiallightbyadultseabirds AT aaronalejo avoidanceofdifferentdurationscoloursandintensitiesofartificiallightbyadultseabirds AT timguilford avoidanceofdifferentdurationscoloursandintensitiesofartificiallightbyadultseabirds
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Avoidance of different durations, colours and intensities of artificial light by adult seabirds

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