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Atchoi, E.; Mitkus, M.; Rodríguez, A. |
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Title |
Is seabird light‐induced mortality explained by the visual system development? |
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2020 |
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Conservation Science and Practice |
Abbreviated Journal |
Conservat Sci and Prac |
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in press |
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Animals |
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Seabirds are impacted by coastal light pollution, leading to massive mortality events. Juveniles comprise the majority of affected individuals, while adults are only seldom grounded and reported in rescue programs. We propose a connection between visual system development of burrow nesting seabirds and the observed higher vulnerability to light pollution by a specific age group. We illustrate the need for multidisciplinary research to better understand and further mitigate light-induced mortality. |
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2578-4854 |
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GFZ @ kyba @ |
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2845 |
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Author |
Atkins, S.; Husain, S.; Storey, A. |
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Title |
The Influence of Street Lighting on Crime and Fear of Crime". |
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1991 |
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Crime prevention unit paper No. 28, London Home Office |
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Public Safety |
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LoNNe @ christopher.kyba @ |
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454 |
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Atkinson, G.; Davenne, D. |
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Title |
Relationships between sleep, physical activity and human health |
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Journal Article |
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2007 |
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Physiology & Behavior |
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Physiol Behav |
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90 |
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2-3 |
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229-235 |
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Human Health; Activity Cycles/*physiology; Animals; Body Temperature/physiology; Exercise/*physiology; Health; Humans; Motor Activity/physiology; Pineal Gland/physiology; Sleep/*physiology; Wakefulness/physiology |
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Although sleep and exercise may seem to be mediated by completely different physiological mechanisms, there is growing evidence for clinically important relationships between these two behaviors. It is known that passive body heating facilitates the nocturnal sleep of healthy elderly people with insomnia. This finding supports the hypothesis that changes in body temperature trigger somnogenic brain areas to initiate sleep. Nevertheless, little is known about how the core and distal thermoregulatory responses to exercise fit into this hypothesis. Such knowledge could also help in reducing sleep problems associated with nocturnal shiftwork. It is difficult to incorporate physical activity into a shiftworker's lifestyle, since it is already disrupted in terms of family commitments and eating habits. A multi-research strategy is needed to identify what the optimal amounts and timing of physical activity are for reducing shiftwork-related sleep problems. The relationships between sleep, exercise and diet are also important, given the recently reported associations between short sleep length and obesity. The cardiovascular safety of exercise timing should also be considered, since recent data suggest that the reactivity of blood pressure to a change in general physical activity is highest during the morning. This time is associated with an increased risk in general of a sudden cardiac event, but more research work is needed to separate the influences of light, posture and exercise per se on the haemodynamic responses to sleep and physical activity following sleep taken at night and during the day as a nap. |
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Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Henry Cotton Campus, Webster Street, Liverpool L3 2ET, UK. G.Atkinson@ljmu.ac.uk |
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0031-9384 |
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PMID:17067643; PMCID:PMC2782301 |
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LoNNe @ kagoburian @ |
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717 |
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Author |
Aubé, M. |
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Title |
Light pollution modeling and detection in a heterogeneous environment |
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Journal Article |
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2007 |
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Proceedings of Starlight 2007 conference. La Palma, Spain. |
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Skyglow |
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Few attempts have been made to measure aerosol optical depth (AOD) behaviour
during the night. One such method uses spectrally calibrated stars as reference targets
but the available number of stars is limited. This is especially true for urban sites where
artificial lighting hide most of these stars. In our research we attempt to provide an
alternate method one which exploits the artificial sky glow generated by light pollution.
To achieve that goal, we designed a new methodology which links a 3D light
pollution model with in situ light pollution spectral measurements obtained with our
detector called Spectrometer for aerosol night detection (SAND). The basic idea was to
adjust an AOD value into the model in order to fit the measured artificial sky brightness.
This method requires an accurate model that includes spatial heterogeneity in lighting
angular geometry, in lighting spectral dependence, in ground spectral reflectance and
in topography along with a detailed definition of the vertical atmospheric profile. This
model, named ILLUMINA, computes 1st and 2nd order molecular and aerosol scattering
as well as aerosol absorption. A correction for sub grid obstacles is also included.
These model features represent major improvements to previous light pollution models.
Therefore, new possibilities for light pollution studies will arise, many of which are of
particular interest to the astronomical community. In this paper we will present model
and detector features and some of the first results derived from ILLUMINA model. We
will also present our web based spatio-temporal Sky spectral luminance measurements
database project. |
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LoNNe @ kagoburian @ |
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552 |
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Author |
Aubé, M. |
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Title |
Physical behaviour of anthropogenic light propagation into the nocturnal environment |
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2015 |
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Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences |
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Philos Trans R Soc Lond B Biol Sci |
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370 |
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20140117 |
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Skyglow; artificial light at night; light pollution; radiative transfer; atmospheric effects; scattering; methods; numerical; sensitivity analysis |
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Propagation of artificial light at night (ALAN) in the environment is now known to have non negligible consequences on fauna, flora and human health. These consequences depend on light levels and their spectral power distributions, which in turn rely on the efficiency of various physical processes involved in the radiative transfer of this light into the atmosphere and its interactions with the built and natural environment. ALAN can affect the living organisms by direct lighting and indirect lighting (scattered by the sky and clouds and/or reflected by local surfaces). This paper mainly focuses on the behaviour of the indirect light scattered under clear sky conditions. Various interaction processes between anthropogenic light sources and the natural environment are discussed. This work mostly relies on a sensitivity analysis conducted with the light pollution radiative transfer model, Illumina (Aubé et al. 2005: Light pollution modelling and detection in a heterogeneous environment: toward a night-time aerosol optical depth retrieval method. In Proc. SPIE 2005, vol. 5890, San Diego, California, USA). More specifically, the impact of (i) the molecular and aerosol scattering and absorption, (ii) the second order of scattering, (iii) the topography and obstacle blocking, (iv) the ground reflectance and (v) the spectrum of light devices and their angular emission functions are examined. This analysis considers different behaviour as a function of the distance from the city centre, along with different zenith viewing angles in the principal plane. |
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Département de physique, Cégep de Sherbrooke, Sherbrooke, Quebec, Canada |
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Royal Society |
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English |
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English |
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The biological impacts of artificial light at night: from molecules to communities |
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IDA @ john @ |
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1115 |
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