Thursday, January 20, 2011

Sound Pollution


In this topic, we are gonna talk about something noisy. Before I start, I believe some people surely will think that noisy isn't a thing that could affect much on our environment. However, I wasn't a believer as well before seeing all these articles.
To us, we might just get annoyed with all the noisy sounds. But to animals, noise could actually cause them to be stressed. Some animals use their sound to seek for mate for reproduction purpose or navigation. Furthermore, is the balance among predators and preys, noise could actually affect the risk of death due to the disturbance of the detection and avoidance. Acoustic overexposure could actually lead to temporary or maybe permanent deafness as well. 
Besides, noise can affect greatly on wildlife due to the limitation of their usable habitat. Some endangered wildlife may ended up extincted. For instance, certain species of whales, bleached themselves on the shore due to the reason of the military submarine which emitted strong sound waves for navigation and ranging, it is also known as Sound Navigation and Ranging (sonar).

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