| Records |
| Author |
Bará, S.; Espey, B.; Falchi, F.; Kyba, C.C.M.; Nievas, M., Pescatori, P., Ribas, S.J., Sánchez de Miguel, A.; Staubmann, P., Tapia Ayuga, C.; Wuchterl, G., Zamorano, J. |
| Title |
Report of the 2014 LoNNe Intercomparison Campaign |
Type |
Report |
| Year |
2015 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
32989 |
Pages |
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| Keywords |
skyglow |
| Abstract |
The 2014 LoNNe (Loss of the Night Network) intercomparison campaign is the second of four campaigns planned during EU COST Action ES1204. The goal of these campaigns is to understand systematic uncertainty inherent in observations of skyglow (light pollution). An innovation of this year’s campaign was to take measurements with many of the nstruments at two sites: an urban location and a location far from artificial lights. This report summarizes the meeting, and also provides three recommendations for obtaining and analyzing handheld SQM observations. |
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| Publisher |
Universidad Complutense |
Place of Publication |
Madrid |
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| Language |
English |
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English |
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e-prints Complutense |
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no |
| Call Number |
LoNNe @ kyba @ |
Serial |
1254 |
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| Author |
Kyba, C.C.M.; Bouroussis, C.; Canal-Domingo, R.; Falchi, F.; Giacomelli, A.; Hänel, A.; Kolláth, Z.; Massetti, L.; Ribas, S.J.; Spoelstra, H.; Tong, K.P.; Wuchterl, G. |
| Title |
Report of the 2015 LoNNe Intercomparison Campaign |
Type |
Journal Article |
| Year |
2015 |
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Pages |
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| Keywords |
skyglow; instrumentation |
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LoNNe @ kyba @; IDA @ john @; GFZ @ kyba @ |
Serial |
1255 |
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| Author |
Hall, A.L.; Davies, H.W.; Koehoorn, M. |
| Title |
Personal light-at-night exposures and components of variability in two common shift work industries: uses and implications for future research |
Type |
Journal Article |
| Year |
2018 |
Publication |
Scandinavian Journal of Work, Environment & Health |
Abbreviated Journal |
Scand J Work Environ Health |
| Volume |
44 |
Issue |
1 |
Pages |
80-87 |
| Keywords |
Human Health |
| Abstract |
Objectives Shift workers' increased risk of various adverse health outcomes has been linked to light-at-night (LAN) exposure, but few studies have measured LAN exposure in workplaces. To inform future research methods, this study aimed to (i) measure shift workers' exposures to LAN across industries, occupations, and work environments and (ii) assess components of variance across different exposure groupings and metrics. Methods Between October 2015 and March 2016, 152 personal full-shift measurements were collected from 102 night shift workers in emergency health services (paramedics, dispatchers) and healthcare industries (nurses, care aides, security guards, unit clerks, and laboratory, pharmacy, and respiratory therapy staff) in the province of British Columbia, Canada. Descriptive and variance component analyses were conducted for the 23:00-05:00 period to characterize exposures using multiple metrics of potential biological relevance (median lux, 90 thpercentile lux, sum of minutes >/=30 lux, and sum of minutes >/=100 lux). Results Average exposure levels were highest in the healthcare industry. By occupation, laboratory workers and care aides displayed the highest and emergency dispatch officers displayed the lowest levels for all LAN exposure metrics. Between-group variance was large relative to within-group variance for all exposure groupings and metrics, and increased as grouping specificity increased (moving from industry to occupation). Conclusions Results from this study suggest that high-level grouping schemes may provide a simple yet effective way of characterizing individual LAN exposures in epidemiological studies of shift work. Ongoing measurement of LAN exposures and assessment of exposure variability is needed in future studies of shift workers as a means to increase sampling efficiency, reduce measurement error, and maximize researchers' ability to detect relationships where they exist. |
| Address |
School of Population and Public Health, University of British Columbia, 2206 East Mall, Vancouver, V6T1Z3, Canada. amyhall@mail.ubc.ca |
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English |
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0355-3140 |
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| Notes |
PMID:28951937 |
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no |
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LoNNe @ kyba @ |
Serial |
1754 |
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| Author |
Brüning A., Hölker, F., Franke, S., Preuer, T., Kloas, W. |
| Title |
Impact of different colours of artificial light at night on melatonin rhythm and gene expression of gonadotropins in European perch |
Type |
Journal Article |
| Year |
2016 |
Publication |
Science of The Total Environment |
Abbreviated Journal |
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| Volume |
543 |
Issue |
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Pages |
214-222 |
| Keywords |
Animals |
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no |
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LoNNe @ schroer @ |
Serial |
1294 |
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| Author |
Mège, P.; Ödeen, A.; Théry, M.; Picard, D.; Secondi, J. |
| Title |
Partial Opsin Sequences Suggest UV-Sensitive Vision is Widespread in Caudata |
Type |
Journal Article |
| Year |
2015 |
Publication |
Evolutionary Biology |
Abbreviated Journal |
Evol. Biol. |
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Issue |
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Pages |
1-10 |
| Keywords |
Animals; Caudata; amphibians; ultraviolet; ultraviolet vision; opsin; photobiology; SWS1; Paralog gene; Tuning site; Nocturnal species; Sliding window; Ka/Ks |
| Abstract |
Ultraviolet (UV) vision exists in several animal groups. Intuitively, one would expect this trait to be favoured in species living in bright environments, where UV light is the most present. However, UV sensitivity, as deduced from sequences of UV photoreceptors and/or ocular media transmittance, is also present in nocturnal species, raising questions about the selective pressure maintaining this perceptual ability. Amphibians are among the most nocturnal vertebrates but their visual ecology remains poorly understood relative to other groups. Perhaps because many of these species breed in environments that filter out a large part of UV radiation, physiological and behavioural studies of UV sensitivity in this group are scarce. We investigated the extent of UV vision in Caudata, the order of amphibians with the most nocturnal habits. We could recover sequences of the UV sensitive SWS1 opsin in 40 out of 58 species, belonging to 6 families. In all of these species, the evidence suggests the presence of functional SWS1 opsins under purifying selection, potentially allowing UV vision. Interestingly, most species whose opsin genes failed to amplify exhibited particular ecological features that could drive the loss of UV vision. This likely wide distribution of functional UV photoreceptors in Caudata sheds a new light on the visual ecology of amphibians and questions the function of UV vision in nocturnal animal species. |
| Address |
GECCO, Université d’Angers, 2 Bd Lavoisier, 49045, Angers, France; pascal.mege(at)gmail.com |
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| Publisher |
Springer |
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English |
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English |
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0071-3260 |
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Approved |
no |
| Call Number |
IDA @ john @ |
Serial |
1299 |
| Permanent link to this record |
