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The tapetum of Carnivora (cats, dogs, lions etc.) contains remarkably regular arrays of rodlets, and reflects light from planes of the lattice by Bragg's Law (Fig. 2A). Each domain of rodlets has a different spacing and reflects a different colour from the main plane (shown horizontal in Fig. 2B) so with near-parallel illumination, spots of ...
Ecological light pollution [1] is the effect of artificial light on individual organisms and on the structure of ecosystems as a whole.. The effect that artificial light has upon organisms is highly variable, [2] and ranges from beneficial (e.g. increased ability for predator species to observe prey) to immediately fatal (e.g. moths that are attracted to incandescent lanterns and are killed by ...
Polarized light pollution is perhaps the most compelling and well-documented cue triggering ecological traps. [10] Orientation to polarized sources of light is the most important mechanism that guides at least 300 species of dragonflies, mayflies, caddisflies, tabanid flies, diving beetles, water bugs, and other aquatic insects in their search for the water bodies they require for suitable ...
The dark-sky movement is a campaign to reduce light pollution.The advantages of reducing light pollution include an increased number of stars visible at night, reducing the effects of electric lighting on the environment, improving the well-being, [1] health [2] and safety [3] of people and wildlife, [4] and cutting down on energy usage.
Spectroradiometry is a technique in Earth and planetary remote sensing, which makes use of light behaviour, specifically how light energy is reflected, emitted, and scattered by substances, to explore their properties in the electromagnetic (light) spectrum and identify or differentiate between them. [1]
The eye facets of Platycnemis pennipes collect light directly or incidentally. That gives environmental information to the insect. Polarization is a property of light waves that describes the orientation of their oscillations. Polarized light pollution [1] is a subset of the various forms of light pollution referring specifically to polarized ...
In biology, photophobia (adjective: photophobic) is negative response to light.. Photophobia is a behavior demonstrated by insects or other animals which seek to stay out of the light.
The current versions has only one band of observation, that can produce misinterpretations if the light pollution changes from sodium-vapor lamp to LED. [ 8 ] The SQM-L, or "Sky Quality Meter - L," is a model with an additional integrated lens, offering a narrower measurement range of 20° compared to the 84° range of the standard SQM model.