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Author  |
Blood, W.H. |
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Title |
What is street lighting? |
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Journal Article |
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Year |
1907 |
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Transactions of the Illuminating Engineering Society |
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2 |
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633-644 |
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Keywords |
Lighting; History |
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GFZ @ kyba @ |
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2742 |
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Author |
Bombieri, G.; Delgado, M. del M.; Russo, L.F.; Garrote, P.J.; López-Bao, J.V.; Fedriani, J.M.; Penteriani, V. |
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Title |
Patterns of wild carnivore attacks on humans in urban areas |
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Journal Article |
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2018 |
Publication |
Scientific Reports |
Abbreviated Journal |
Sci Rep |
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Volume |
8 |
Issue |
1 |
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Keywords |
Animals |
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Abstract |
Attacks by wild carnivores on humans represent an increasing problem in urban areas across North America and their frequency is expected to rise following urban expansion towards carnivore habitats. Here, we analyzed records of carnivore attacks on humans in urban areas of the U.S. and Canada between 1980 and 2016 to analyze the general patterns of the attacks, as well as describe the landscape structure and, for those attacks occurring at night, the light conditions at the site of the attacks. We found that several behavioral and landscape-related factors were recurrent elements in the attacks recorded. The species for which the attack locations were available (coyote and black bear) attacked in areas with different conditions of landscape structure and artificial light. Specifically, black bears attacked more frequently in areas with abundant and aggregated vegetation cover and scarce buildings and roads, while coyotes attacked in a broader range of landscape conditions. At night, black bears attacked in generally darker areas than coyotes. By providing a comprehensive perspective of the phenomenon, this study will improve our understanding of how effective strategies aimed at reducing the frequency of risky encounters in urban areas should be developed. |
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2045-2322 |
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GFZ @ kyba @ |
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2130 |
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Author |
Boucher, R.; Knefati, S.; Ouimet, C.-A. |
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Title |
Conservation du ciel nocturne : surveillance de l’éclairage extérieur et de la pollution lumineuse au parc national et à la Réserve internationale de ciel étoilé du Mont-Mégantic |
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Journal Article |
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Year |
2018 |
Publication |
Le Naturaliste canadien |
Abbreviated Journal |
Le Naturaliste canadien |
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142 |
Issue |
3 |
Pages |
88 |
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Keywords |
Skyglow |
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Abstract |
English:
Although seemingly unchanging, today, our ability to see stars on a dark night is in danger of disappearing. The reason for this is the widespread growth of light pollution from inadequate lighting systems. This study, which used a range of methods, presents the results of light pollution measurements taken within the Mont-Mégantic International Dark Sky Reserve (MMIDSR), which was created in 2007 to protect the quality of astronomical observations and research at the Mont-Mégantic Observatory, and to preserve the exceptional starry nightscape visible from the site. Two essential elements of artificial night lighting were considered: its source and its diffusion in the atmosphere. Analyses showed that despite a global trend towards an increase in light levels, population growth on the outskirts of the Parc national du Mont-Mégantic, and the arrival of problematic types of lighting fixtures on the market, the level of light pollution in the MMIDSR has remained stable over the last 10 years, not only at the zenith but across the entire sky.
French:
Pourtant d’apparence immuable, le ciel étoilé est aujourd’hui menacé de disparition. La cause est la croissance généralisée de la pollution lumineuse, résultat de l’utilisation de dispositifs d’éclairage inadéquats. Nous présentons ici les résultats de la mesure de cette pollution obtenue par différentes approches méthodologiques sur le territoire de la Réserve internationale de ciel étoilé du Mont-Mégantic (RICEMM). La RICEMM a été créée en 2007 afin de protéger la qualité des observations astronomiques et de recherche de l’observatoire du mont Mégantic, ainsi que pour conserver les paysages étoilés exceptionnels du site. Deux aspects incontournables de la lumière artificielle nocturne ont été pris en compte : ses sources, ainsi que sa diffusion dans l’atmosphère. Les analyses démontrent que le niveau de pollution lumineuse est resté stable depuis 10 ans dans la RICEMM, tant au zénith que pour l’ensemble du ciel, et ce, malgré une tendance mondiale à la hausse des niveaux d’éclairement, l’augmentation de la population dans la périphérie du parc national du Mont-Mégantic et l’arrivée sur le marché de types de luminaires problématiques. |
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French |
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0028-0798 |
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GFZ @ kyba @ |
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2004 |
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Author |
Bowden, J. |
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Title |
An Analysis of Factors Affecting Catches of Insects in Light-Traps |
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Journal Article |
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1982 |
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Bulletin of Entomological Research |
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Bull. Entomol. Res. |
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72 |
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4 |
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535-556 |
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Ecology; Animals |
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Analysis of published data on catches of insects in light-traps with a variety of light sources and of different designs showed that all conformed to the previously proposed model describing the functioning of a light-trap: catch = constant × where W = trap illumination and I = background illumination. Light-trap catches in differing cloud conditions and in open and woodland situations also varied as predicted by the model. A table of correction factors for different amounts of cloud cover is provided. The results are discussed in relation to use of light-traps and interpretation of light-trap data. |
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0007-4853 |
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GFZ @ kyba @ |
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2589 |
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Author |
Bowlby, G.M.S. |
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Title |
Some Preliminary Investigations into the Effects of Light on Broilers |
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Journal Article |
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Year |
1957 |
Publication |
World's Poultry Science Journal |
Abbreviated Journal |
Worlds Poult. Sci. J. |
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13 |
Issue |
03 |
Pages |
214-216 |
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Animals |
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0043-9339 |
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GFZ @ kyba @ |
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2426 |
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