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Asphalt Surfaces as Ecological Traps for Water-Seeking Polarotactic Insects (Paperback)
Loot Price: R1,237
Discovery Miles 12 370
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Asphalt Surfaces as Ecological Traps for Water-Seeking Polarotactic Insects (Paperback)
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The surface of dry or wet asphalt roads reflect partially linearly
polarised light, the degree of linear polarisation of which depends
on the darkness and roughness of asphalt: the darker and/or the
smoother the asphalt, the higher the p of light reflected from it.
If the asphalt is sunlit and the direction of view is parallel to
the solar-antisolar meridian, then the direction of polarisation of
asphalt-reflected light is horizontal. In this case the asphalt
surface can attract water-seeking aquatic insects, because they
detect water by means of the horizontal polarisation of light
reflected from the water surface. This phenomenon is called
positive polarotaxis. This book proposes the use of these remedies
on asphalt roads running near emergence sites of endangered aquatic
insects, especially in the vicinity of wetlands, rivers and lakes.
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