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Author Picchi, M.S.; Avolio, L.; Azzani, L.; Brombin, O.; Camerini, G.
Title Fireflies and land use in an urban landscape: the case of Luciola italica L. (Coleoptera: Lampyridae) in the city of Turin Type Journal Article
Year 2013 Publication Journal of Insect Conservation Abbreviated Journal J Insect Conserv
Volume (down) 17 Issue 4 Pages 797-805
Keywords Turin; insects; Coleoptera Lampyridae; Luciola italica; Urban environment; Fireflies; Light pollution; Ecological corridors; Green areas; Po River; Italy
Abstract Research was carried out in the city of Turin (Northern Italy) in order to assess the suitability of the urban environment for fireflies.The study started in 2007 with an artistic and scientific project promoted by Parco Arte Vivente (PAV—Park of living art). Citizens joining the project recorded 18 areas where they could observe fireflies, which were identified as Luciola italica L. (Coleoptera Lampyridae). All of the 18 areas recorded by citizens were then visited during the summer of 2009 and the abundance of L. italica was estimated using transects. In 12 sites the presence of the firefly was confirmed. The habitat structures of L. italica were woods interspersed with clearings in the urban districts in the hills, and parks along rivers in the lower and more populated part of the city. In sites where fireflies were observed, the level of illuminance measured was significantly lower than in areas where L. italica was absent. The analysis of the landscape around the study areas showed a negative correlation between the extent of urbanization and fireflies abundance. Survival of L. italica populations in the urban area of Turin is influenced by the extent of green areas and the level of artificial illumination. Parks lying among rivers preserve a level of darkness suitable for fireflies and are connected by woody strips growing along the banks of rivers, that probably function as ecological corridors.
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ISSN 1366-638X ISBN Medium
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Notes Approved no
Call Number IDA @ john @ Serial 108
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Author Haus, E.L.; Smolensky, M.H.
Title Shift work and cancer risk: potential mechanistic roles of circadian disruption, light at night, and sleep deprivation Type Journal Article
Year 2013 Publication Sleep Medicine Reviews Abbreviated Journal Sleep Med Rev
Volume (down) 17 Issue 4 Pages 273-284
Keywords Cell Cycle/physiology; Circadian Rhythm/*physiology; Epigenesis, Genetic/physiology; Humans; Light; Melatonin/physiology; Neoplasms/*etiology; Risk Factors; Sleep Deprivation/*complications; Work Schedule Tolerance/*physiology; oncogenesis
Abstract Shift work that includes a nighttime rotation has become an unavoidable attribute of today's 24-h society. The related disruption of the human circadian time organization leads in the short-term to an array of jet-lag-like symptoms, and in the long-run it may contribute to weight gain/obesity, metabolic syndrome/type II diabetes, and cardiovascular disease. Epidemiologic studies also suggest increased cancer risk, especially for breast cancer, in night and rotating female shift workers. If confirmed in more controlled and detailed studies, the carcinogenic effect of night and shift work will constitute additional serious medical, economic, and social problems for a substantial proportion of the working population. Here, we examine the possible multiple and interconnected cancer-promoting mechanisms as a consequence of shift work, i.e., repeated disruption of the circadian system, pineal hormone melatonin suppression by exposure to light at night, sleep-deprivation-caused impairment of the immune system, plus metabolic changes favoring obesity and generation of proinflammatory reactive oxygen species.
Address Department of Laboratory Medicine & Pathology, University of Minnesota and Health Partners Medical Group, Regions Hospital, 640 Jackson Street, St. Paul, Minnesota 55101, USA. Erhard.X.Haus@HealthPartners.com
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ISSN 1087-0792 ISBN Medium
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Notes PMID:23137527 Approved no
Call Number IDA @ john @ Serial 157
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Author Pottharst, M.; Könecke, B.
Title The Night and Its Loss Type Journal Article
Year 2013 Publication Springer Netherlands Abbreviated Journal
Volume (down) 15 Issue Pages 37-48
Keywords Economy
Abstract Artificial lighting is both a precondition and a consequence of the 24-hour society. It makes public spaces safer, allows a range of economic and social activities at night and influences the way goods production and services, buildings and entire cities are organised. Despite these achievements, from early on, critical voices have drawn attention to the negative impact of artificial lighting on humans, animals, cityscapes, landscapes and energy consumption. This has recently culminated in growing criticism of ‘light pollution’. This chapter investigates from a socioeconomic perspective the economic and social functions of artificial light, on the one hand, and the ‘loss of the night’, on the other, and outlines a preliminary taxonomy of relevant positive and negative effects of nocturnal artificial light. It is part of a joint research project on the ‘loss of the night’, which aims to develop new concepts of lighting to reduce light pollution.
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Call Number LoNNe @ kagoburian @ Serial 867
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Author Cho, J.R.; Joo, E.Y.; Koo, D.L.; Hong, S.B.
Title Let there be no light: the effect of bedside light on sleep quality and background electroencephalographic rhythms Type Journal Article
Year 2013 Publication Sleep Medicine Abbreviated Journal Sleep Med
Volume (down) 14 Issue 12 Pages 1422-1425
Keywords Eeg; Light; Polysomnography; Sleep; Sleep spindle; Slow oscillation
Abstract OBJECTIVES: Artificial lighting has been beneficial to society, but unnecessary light exposure at night may cause various health problems. We aimed to investigate how whole-night bedside light can affect sleep quality and brain activity. PATIENTS AND METHODS: Ten healthy sleepers underwent two polysomnography (PSG) sessions, one with the lights off and one with the lights on. PSG variables related to sleep quality were extracted and compared between lights-off and lights-on sleep. Spectral analysis was performed to rapid eye movement (REM) sleep and non-REM (NREM) sleep epochs to reveal any light-induced differences in background brain rhythms. RESULTS: Lights-on sleep was associated with increased stage 1 sleep (N1), decreased slow-wave sleep (SWS), and increased arousal index. Spectral analysis revealed that theta power (4-8Hz) during REM sleep and slow oscillation (0.5-1Hz), delta (1-4Hz), and spindle (10-16Hz) power during NREM sleep were decreased in lights-on sleep conditions. CONCLUSIONS: Sleeping with the light on not only causes shallow sleep and frequent arousals but also has a persistent effect on brain oscillations, especially those implicated in sleep depth and stability. Our study demonstrates additional hazardous effect of light pollution on health.
Address Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea; Samsung Biomedical Research Institute, Seoul, Republic of Korea; Division of Computation and Neural Systems, California Institute of Technology, Pasadena, California, USA
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ISSN 1389-9457 ISBN Medium
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Notes PMID:24210607 Approved no
Call Number IDA @ john @ Serial 141
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Author Dukic, T.; Ahlstrom, C.; Patten, C.; Kettwich, C.; Kircher, K.
Title Effects of electronic billboards on driver distraction Type Journal Article
Year 2013 Publication Traffic Injury Prevention Abbreviated Journal Traffic Inj Prev
Volume (down) 14 Issue 5 Pages 469-476
Keywords Adult; Advertising as Topic/*methods; *Attention; Automobile Driving/*psychology; Eye Movements; Humans; Middle Aged; Psychomotor Performance; Sweden; Time Factors
Abstract OBJECTIVE: There is an increase in electronic advertising billboards along major roads, which may cause driver distraction due to the highly conspicuous design of the electronic billboards. Yet limited research on the impact of electronic billboards on driving performance and driver behavior is available. The Swedish Transport Administration recently approved the installation of 12 electronic billboards for a trial period along a 3-lane motorway with heavy traffic running through central Stockholm, Sweden. The aim of this study was to evaluate the effect of these electronic billboards on visual behavior and driving performance. METHOD: A total of 41 drivers were recruited to drive an instrumented vehicle passing 4 of the electronic billboards during day and night conditions. A driver was considered visually distracted when looking at a billboard continuously for more than 2 s or if the driver looked away from the road for a high percentage of time. Dependent variables were eye-tracking measures and driving performance measures. RESULTS: The visual behavior data showed that drivers had a significantly longer dwell time, a greater number of fixations, and longer maximum fixation duration when driving past an electronic billboard compared to other signs on the same road stretches. No differences were found for the factors day/night, and no effect was found for the driving behavior data. CONCLUSION: Electronic billboards have an effect on gaze behavior by attracting more and longer glances than regular traffic signs. Whether the electronic billboards attract too much attention and constitute a traffic safety hazard cannot be answered conclusively based on the present data.
Address Swedish National Road and Transport Research Institute, Linkoping, Sweden. tania.dukic@vti.se
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ISSN 1538-9588 ISBN Medium
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Notes PMID:23682577 Approved no
Call Number IDA @ john @ Serial 247
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