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Documentary s using natural light
Documentary s using natural light













documentary s using natural light

The effects extend to migration, navigation, plant blooming as well as when trees lose their leaves. This darkness interruption has dangerous and disruptive side effects for insects, birds, reptiles, amphibians, and humans. duration of sunlight as determined by season (photoperiodic-internal clock governed by how long the day is).

documentary s using natural light

Studies are beginning to illuminate possible problems with living in a world that doesn’t comply with nature’s photo-periods (i.e. Well why does it matter that there is artificial light at night? Who does it hurt? Walls' 1942 paper says that all species of bats, badgers and most smaller carnivores, most rodents (besides squirrels), 20% of primates, and 80% of marsupials are nocturnal, and many more are active both night and day. With the invention of the electric light, the night sky was no longer filled with just natural light from the moon and stars. In addition to moonlight, this artificial light gave man a sense of safety and wellbeing. Since the discovery of fire, man has used the light from fires to see at night and to keep wild animals away. We are diurnal, dependent on the sunlight to see, active during daylight with an ingrained fear of the dark.

documentary s using natural light

We, as part of the ecosystem know the importance of a healthy environment and bear the responsibility of realizing that our own health and wellbeing is affected by modifications that are made.Īccording to the International Dark-Sky Association (IDA), the term light pollution refers to “any adverse effect of artificial light, including sky glow, glare, light trespass, light clutter, decreased visibility at night, and energy waste.” The IDA further states that light pollution “wastes energy, affects astronomers and scientists, disrupts global wildlife and ecological balance, and has been linked to negative consequences in human health.” We recognize the need and often the requirement for safety and security reasons. In an attempt to shed light on the effects of non-natural light in the environment during normal periods of darkness, multiple factors must be considered and evaluated. How can Light Pollution be defined so we understand what it is? Most people think that, as we sleep at night, the rest of the species do the same, with a few exceptions, so it is of no concern if we send out a little light into the night time environment … … the biological activity of our fauna is more intense at night than during the day and this fauna needs the night for their normal activities. Therefore, we do not realize that protecting the night sky is a valuable step to conserving bio-diversity. We rarely stop to think that the night is necessary and good for life.















Documentary s using natural light