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Author Guilford, T., Padget, O., Bond, S., & Syposz, M. M.
Title Light pollution causes object collisions during local nocturnal manoeuvring flight by adult Manx Shearwaters Puffinus puffinus Type Journal Article
Year 2019 Publication (down) Seabird Abbreviated Journal
Volume 31 Issue Pages 48-55
Keywords Animals
Abstract Understanding the detrimental effects of anthropogenic light on nocturnally mobile animals is a long-standing problem in conservation biology. Seabirds such as shearwaters and petrels can be especially affected, perhaps because of their propensity to fly close to the surface, making them vulnerable to encountering anthropogenic light sources. We investigated the influence of light pollution on adult Manx Shearwaters Puffinus puffinus at close range in foggy conditions. We recorded collisions with a building at a breeding colony for six consecutive pairs of intervals in which the house lights were left on as normal for 135 seconds, then turned off for 135 seconds. The relationship between lighting condition and collision frequency was highly significant, with a collision rate in the presence of lighting around 25 times that in its absence. Our results show that birds were clearly affected by the lights, by being either directly attracted, or disorientated during flight close to the structure. This could have been due to the light source itself, or an indirect effect of the all-round reflective glow in the fog perhaps interfering with visual or magnetic control inputs on both sides of the bird simultaneously. Our results suggest a mechanism by which the screening of artificial lights close to shearwater breeding areas, at least during foggy nights, could lead to improved welfare and survival at breeding colonies.
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Call Number IDA @ intern @ Serial 2357
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Author Boyce, P.R.
Title The Present and Future of Lighting Research Type Journal Article
Year 2018 Publication (down) SDAR* Journal of Sustainable Design & Applied Research Abbreviated Journal
Volume 6 Issue 1 Pages
Keywords Commentary; Lighting; Vision; Human Health
Abstract The aim of this paper is to consider where lighting research is today and what its future might be. There is little doubt that, today, lighting research is an active field. A brief review of the topics being studied reveals that they range from residual studies on visibility and visual discomfort, through attempts to identify the influence of lighting on factors beyond visibility such as mood and behaviour, to the whole new field of light and health. But activity alone is not enough to justify a future. For lighting research to have a future it is necessary for it to

be influential. To become influential, research needs to focus its attention on outcomes that matter to people and the elements of those outcomes on which lighting is known to have a major influence. Further, researchers will have to be determined to overcome the barriers to changing lighting practice. By doing this, lighting research may change the world for the better, to be an important topic, not an irrelevance.
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Call Number NC @ ehyde3 @ Serial 2113
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Author Fouchard, M., Hébrard, J.-P., Geoffroy, D., & Ponel, P.
Title Contribution à la connaissance des communautés d'Hétérocères et de Coléoptères crépusculaires et nocturnes de l’île de Porquerolles (archipel des îles d'Hyères, département du Var) en lien avec les milieux Type Journal Article
Year 2019 Publication (down) Scientific reports of the Port-Cros national park Abbreviated Journal
Volume 33 Issue Pages 127-162
Keywords Ecology
Abstract À l’initiative de la municipalité d’Hyères-les-Palmiers et du Parc national de Port-Cros, une étude sur la qualité de la nuit à Porquerolles a été lancée par l’Association Nationale pour la Protection du Ciel et de l’Environnement Nocturnes (ANPCEN) en 2016. L’objectif de cette étude est de tendre vers un éclairage efcace tout en limitant son impact sur l’environnement. La présente étude entre dans le cadre de ce projet. Son objectif est d’améliorer les connaissances sur les Hétérocères et les Coléoptères crépusculaires et nocturnes de Porquerolles et d’analyser les résultats par rapport à la problématique de la pollution lumineuse. Trois points de relevé (jardin Emmanuel Lopez, bassins de lagunage, fort de la Repentance), représentatifs de différents milieux et de différentes expositions à la pollution lumineuse ont été étudiés lors de 4 sessions en 2016/2017. La qualité de la nuit selon l’étude de l’ANPCEN est moins bonne au jardin Emmanuel Lopez par rapport au bassin de lagunage et au fort de la Repentance, ce dernier étant le point ayant la meilleure qualité de nuit. Au total, 93 espèces de Coléoptères et 64 espèces d’Hétérocères ont été observées sur l’île de Porquerolles. Pour les Hétérocères, un gradient de richesse spécique est observé du point le plus exposé à la pollution lumineuse à celui qui est le moins exposé, avec 21 espèces pour le jardin Emmanuel Lopez (point n°1), 35 pour le bassin de lagunage (point n°2) et 57 pour le fort de la Repentance (point n°3). Pour les Coléoptères en revanche, le point n°1 est aussi riche que le n° 3 avec 56 espèces pour chacun alors que le point n°2 ne comporte que 38 espèces. Une fois les pistes d’actions proposées par l’ANPCEN pour la réduction des pollutions mises en place sur l’île de Porquerolles, il sera intéressant de réaliser — 128 —une nouvelle campagne d’inventaires selon le même protocole an d’identier une éventuelle évolution de la diversité et de l’abondance en Hétérocères et en Coléoptères.
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Language French Summary Language Original Title
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Call Number IDA @ intern @ Serial 2955
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Author Jechow, A.; Kolláth, Z.; Ribas, S.J.; Spoelstra, H.; Hölker, F.; Kyba, C.C.M.
Title Imaging and mapping the impact of clouds on skyglow with all-sky photometry Type Journal Article
Year 2017 Publication (down) Scientific Reports Abbreviated Journal Sci Rep
Volume 7 Issue 1 Pages Article number 6741
Keywords Skyglow
Abstract Artificial skyglow is constantly growing on a global scale, with potential ecological consequences ranging up to affecting biodiversity. To understand these consequences, worldwide mapping of skyglow for all weather conditions is urgently required. In particular, the amplification of skyglow by clouds needs to be studied, as clouds can extend the reach of skyglow into remote areas not affected by light pollution on clear nights. Here we use commercial digital single lens reflex cameras with fisheye lenses for all-sky photometry. We track the reach of skyglow from a peri-urban into a remote area on a clear and a partly cloudy night by performing transects from the Spanish town of Balaguer towards Montsec Astronomical Park. From one single all-sky image, we extract zenith luminance, horizontal and scalar illuminance. While zenith luminance reaches near-natural levels at 5 km distance from the town on the clear night, similar levels are only reached at 27 km on the partly cloudy night. Our results show the dramatic increase of the reach of skyglow even for moderate cloud coverage at this site. The powerful and easy-to-use method promises to be widely applicable for studies of ecological light pollution on a global scale also by non-specialists in photometry.
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ISSN 2045-2322 ISBN Medium
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Call Number LoNNe @ kyba @ Serial 1691
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Author Kawasaki, A.; Wisniewski, S.; Healey, B.; Pattyn, N.; Kunz, D.; Basner, M.; Münch, M.
Title Impact of long-term daylight deprivation on retinal light sensitivity, circadian rhythms and sleep during the Antarctic winter Type Journal Article
Year 2018 Publication (down) Scientific Reports Abbreviated Journal Sci Rep
Volume 8 Issue 1 Pages
Keywords Human Health
Abstract Long-term daylight deprivation such as during the Antarctic winter has been shown to lead to delayed sleep timing and sleep fragmentation. We aimed at testing whether retinal sensitivity, sleep and circadian rest-activity will change during long-term daylight deprivation on two Antarctic bases (Concordia and Halley VI) in a total of 25 healthy crew members (mean age: 34 ± 11y; 7f). The pupil responses to different light stimuli were used to assess retinal sensitivity changes. Rest-activity cycles were continuously monitored by activity watches. Overall, our data showed increased pupil responses under scotopic (mainly rod-dependent), photopic (mainly L-/M-cone dependent) as well as bright-blue light (mainly melanopsin-dependent) conditions during the time without direct sunlight. Circadian rhythm analysis revealed a significant decay of intra-daily stability, indicating more fragmented rest-activity rhythms during the dark period. Sleep and wake times (as assessed from rest-activity recordings) were significantly delayed after the first month without sunlight (p < 0.05). Our results suggest that during long-term daylight deprivation, retinal sensitivity to blue light increases, whereas circadian rhythm stability decreases and sleep-wake timing is delayed.
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ISSN 2045-2322 ISBN Medium
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Call Number GFZ @ kyba @ Serial 2053
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