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Author |
Taylor, P.; Nimkingrat, P.; Strauch, O.; Ehlers, R.; Kiel, C. |
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Title |
Biocontrol Science and Technology Hybridisation and genetic selection for improving desiccation tolerance of the entomopathogenic nematode Steinernema feltiae |
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2013 |
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37–41 |
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Animals |
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LoNNe @ kagoburian @ |
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622 |
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Author |
Nimkingrat, P.; Khanam, S.; Strauch, O.; Ehlers, R.-U. |
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Title |
Hybridisation and selective breeding for improvement of low temperature activity of the entomopathogenic nematode Steinernema feltiae |
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Journal Article |
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2013 |
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BioControl |
Abbreviated Journal |
BioControl |
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58 |
Issue |
3 |
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417-426 |
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Animals |
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1386-6141 |
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LoNNe @ kagoburian @ |
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611 |
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Author |
Forbes, C.; Hammill, E. |
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Title |
Fear in the dark? Community-level effects of non-lethal predators change with light regime |
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Journal Article |
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Year |
2013 |
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Oikos |
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Oikos |
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122 |
Issue |
12 |
Pages |
1662-1668 |
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Animals |
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0030-1299 |
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LoNNe @ kagoburian @ |
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597 |
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Solano Lamphar, H.A.; Kocifaj, M. |
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Title |
Light pollution in ultraviolet and visible spectrum: effect on different visual perceptions |
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Journal Article |
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2013 |
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PloS one |
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PLoS One |
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8 |
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2 |
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e56563 |
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Lighting; Animals; *Environmental Pollution; Humans; Insects; Light; Lighting/*adverse effects; Models, Theoretical; *Visual Perception |
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Abstract |
In general terms, lighting research has been focused in the development of artificial light with the purpose of saving energy and having more durable lamps. However, the consequences that artificial night lighting could bring to the human being and living organisms have become an important issue recently. Light pollution represents a significant problem to both the environment and human health causing a disruption of biological rhythms related not only to the visible spectrum, but also to other parts of the electromagnetic spectrum. Since the lamps emit across a wide range of the electromagnetic spectrum, all photobiological species may be exposed to another type of light pollution. By comparing five different lamps, the present study attempts to evaluate UV radiative fluxes relative to what humans and two species of insects perceive as sky glow level. We have analyzed three atmospheric situations: clear sky, overcast sky and evolving precipitable water content. One important finding suggests that when a constant illuminance of urban spaces has to be guaranteed the sky glow from the low pressure sodium lamps has the most significant effect to the visual perception of the insects tested. But having the fixed number of luminaires the situation changes and the low pressure sodium lamp would be the best choice for all three species. The sky glow effects can be interpreted correctly only if the lamp types and the required amount of scotopic luxes at the ground are taken into account simultaneously. If these two factors are combined properly, then the ecological consequences of sky glow can be partly reduced. The results of this research may be equally useful for lighting engineers, architects, biologists and researchers who are studying the effects of sky glow on humans and biodiversity. |
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ICA, Slovak Academy of Sciences, Bratislava, Slovak Republic. lamphar@gmail.com |
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English |
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1932-6203 |
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PMID:23441205; PMCID:PMC3575508 |
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LoNNe @ schroer @ |
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578 |
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Author |
Duriscoe, D.M. |
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Title |
Measuring Anthropogenic Sky Glow Using a Natural Sky Brightness Model. |
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2013 |
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Publications of the Astronomical Society of the Pacific |
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125 |
Issue |
933 |
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1370-1382 |
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Keywords |
Skyglow |
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Abstract |
Anthropogenic sky glow (a result of light pollution) combines with the natural background brightness of the night sky when viewed by an observer on the earth’s surface. In order to measure the anthropogenic component accurately, the natural component must be identified and subtracted. A model of the moonless natural sky brightness in the V-band was constructed from existing data on the Zodiacal Light, an airglow model based on the van Rhijn function, and a model of integrated starlight (including diffuse galactic light) constructed from images made with the same equipment used for sky brightness observations. The model also incorporates effective extinction by the atmosphere and is improved at high zenith angles (>80°) by the addition of atmospheric diffuse light. The model may be projected onto local horizon coordinates for a given observation at a resolution of 0.05° over the hemisphere of the sky, allowing it to be accurately registered with data images obtained from any site. Zodiacal Light and integrated starlight models compare favorably with observations from remote dark sky sites, matching within ± 8 nL over 95% of the sky. The natural airglow may be only approximately modeled, errors of up to ± 25 nL are seen when the airglow is rapidly changing or has considerable character (banding); ± 8 nL precision may be expected under favorable conditions. When subtracted from all-sky brightness data images, the model significantly improves estimates of sky glow from anthropogenic sources, especially at sites that experience slight to moderate light pollution. |
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LoNNe @ christopher.kyba @ |
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539 |
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