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Author Zhao, X.; Zhang M.; Che, X.; Zou, F. url  doi
openurl 
  Title Blue light attracts nocturnally migrating birds Type Journal Article
  Year (down) 2020 Publication The Condor Abbreviated Journal  
  Volume in press Issue Pages in press  
  Keywords Animals  
  Abstract Light pollution is increasing and artificial light sources have great impacts on animals. For migrating birds, collisions caused by artificial light pollution are a significant source of mortality. Laboratory studies have demonstrated that birds have different visual sensitivities to different colors of light, but few field experiments have compared birds’ responses to light of different wavelengths. We used 3 monochromatic lights (red, green, and blue) and polychromatic yellow light to study the impact of wavelength on phototaxis at 2 gathering sites of nocturnally migrating birds in Southwest China. For both sites, short-wavelength blue light caused the strongest phototactic response. In contrast, birds were rarely attracted to long-wavelength red light. The attractive effect of blue light was greatest during nights with fog and headwinds. As rapid urbanization and industrialization cause an increase in artificial light, we suggest that switching to longer wavelength lights is a convenient and economically effective way to reduce bird collisions.

摘要

目前地球上光污染日益严重,五颜六色的人工光源对生态系统造成了很大影响。就鸟类而言,在世界各地已发生了很多鸟类撞击人工光源的事件。实验室研究表明,鸟类对不同颜色的光有不同的视觉敏感度,但很少有野外实验比较鸟类对不同波长光的反应。我们在中国西南地区的两个夜间候鸟迁徙聚集点使用三种单色光(红、绿、蓝)和一种复合光(黄),研究了光波长对的候鸟趋光性的影响。研究表明,短波长的蓝光引起了候鸟最强烈的趋光性反应。相反,鸟类很少被长波长的红光所吸引。特别是在有雾和逆风的夜晚,蓝光的吸引力最大。由于快速的城市化和工业化导致人造光的增加,我们认为使用长波光是一个减少鸟类碰撞光源的方便和经济有效的方式。
 
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  Call Number GFZ @ kyba @ Serial 2896  
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Author Rahman, A.; Asyhari, A.T.; Obaidat, M.S.; Kurniawan, I.F.; Mukta, M.Y.; Vijayakumar, P. url  doi
openurl 
  Title IoT-Enabled Light Intensity-Controlled Seamless Highway Lighting System Type Journal Article
  Year (down) 2020 Publication IEEE Systems Journal Abbreviated Journal  
  Volume in press Issue Pages in press  
  Keywords Lighting; Economics  
  Abstract Motivated by enormous highway-lighting energy consumption, smart lighting development is crucial to better manage available resources. While existing literature focused on ensuring cost-effective lighting, an equally important requirement, namely the visual comfort of motorists, is almost disregarded. This article proposes a novel Internet of Things-enabled system that can be intelligently controlled according to the traffic demand. Cooperative relay-network architecture is the central element that leverages upon placement of cyber-enabled lampposts to allow for sensing-exchanging highway traffic information. Data accumulation is exploited to automate adaptive switching on/off the lighting and provide backtracking detection of faulty lampposts. From the service provider’s perspective, we envision to deploy low-cost highly durable sensing and network components to significantly cut down the operating cost. From the road user’s perspective, the relay-network is envisaged to provide seamless driving experience where sufficient lighting is always perceived along the road. A critical analysis quantitatively evaluates the seamless driving experience considering car arrival rate, outage probability, and device malfunction probability. A road occupancy-based cost estimation analysis demonstrates the effective cost reduction of the proposal compared to existing systems. Furthermore, the performance of chosen communication modules under different setups is assessed through simulation, suggesting appropriate protocol for different highway traffic conditions.  
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  Call Number GFZ @ kyba @ Serial 2897  
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Author Gerhardsson, K.M.; Laike, T.; Johansson, M. url  doi
openurl 
  Title Leaving lights on – A conscious choice or wasted light? Use of indoor lighting in Swedish homes Type Journal Article
  Year (down) 2020 Publication Indoor and Built Environment Abbreviated Journal  
  Volume in press Issue Pages in press  
  Keywords Psychology; Lighting  
  Abstract Promoting resource- and energy-efficient home lighting through technology and behaviour change requires an understanding of how residents currently use lighting and what they want from it. However, users' needs and desires relating to lighting in homes are poorly understood, as research is still limited. This paper aims to provide a fuller picture of residents' experiences with their home lighting. Interviews about how residents perceive the character of lighting and luminaires and lighting use suggest that home lighting has nine capabilities: to enable vision; to facilitate visual tasks; to display objects; to send a message; to support a particular atmosphere; to shape the architectural space; to offer a visual aesthetic experience; to maintain or change rhythmicity; and to evoke memories. Secondary data confirmed five of them. The identified capabilities relate to behavioural goals, psychological wellbeing and social needs. We conclude that seemingly wasted light in people's homes, i.e. lights left on in unoccupied rooms, can serve a purpose for the residents, such as avoiding visual or aesthetic discomfort, making the home inviting, benefitting people outside and providing safety. Findings have implications for the further development of new lighting technologies and design, energy-saving campaigns targeting residents and for urban outdoor environments.  
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  Call Number GFZ @ kyba @ Serial 2898  
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Author Narboni, R. url  openurl
  Title LIGHTING PUBLIC SPACES: NEW TRENDS AND FUTURE EVOLUTIONS. Type Journal Article
  Year (down) 2020 Publication Light & Engineering Abbreviated Journal  
  Volume 28 Issue 2 Pages 4-16  
  Keywords Lighting; History  
  Abstract The article is devoted to the history and prospects of the development of outdoor lighting in public spaces with new opportunities of rapidly developing lighting technologies and trends in architecture and architectural lighting, taking into account environmental problems.  
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  Call Number GFZ @ kyba @ Serial 2899  
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Author Finch, D.; Smith, B.R.; Marshall, C.; Coomber, F.G.; Kubasiewicz, L.M.; Anderson, M.; Wright, P.G.R.; Mathews, F. url  doi
openurl 
  Title Effects of Artificial Light at Night (ALAN) on European Hedgehog Activity at Supplementary Feeding Stations Type Journal Article
  Year (down) 2020 Publication Animals : an Open Access Journal From MDPI Abbreviated Journal Animals (Basel)  
  Volume 10 Issue 5 Pages in press  
  Keywords Animals; Erinaceus europaeus; activity pattern; camera trap; citizen science; fragmentation; hedgehogs; light pollution; lightscape; urbanisation  
  Abstract : Artificial light at night (ALAN) can have negative consequences for a wide range of taxa. However, the effects on nocturnal mammals other than bats are poorly understood. A citizen science camera trapping experiment was therefore used to assess the effect of ALAN on the activity of European hedgehogs (Erinaceus europaeus) at supplementary feeding stations in UK gardens. A crossover design was implemented at 33 gardens with two treatments-artificial light and darkness-each of which lasted for one week. The order of treatment depended on the existing lighting regime at the feeding station: dark treatments were applied first at dark feeding stations, whereas light treatments were used first where the station was already illuminated. Although temporal changes in activity patterns in response to the treatments were noted in some individuals, the direction of the effects was not consistent. Similarly, there was no overall impact of ALAN on the presence or feeding activities of hedgehogs in gardens where supplementary feeding stations were present. These findings are somewhat reassuring insofar as they demonstrate no net negative effect on a species thought to be in decline, in scenarios where the animals are already habituated to supplementary feeding. However, further research is needed to examine long-term effects and the effects of lighting on hedgehog prey, reproductive success and predation risk.  
  Address Mammal Society, London E9 6EJ, UK  
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  Language English Summary Language Original Title  
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  ISSN 2076-2615 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:32354129 Approved no  
  Call Number GFZ @ kyba @ Serial 2904  
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