Discuss the effect of noise pollution on marine life.
Answers
Unwanted sound, or noise, can have a large impact on the marine environment, because noise can blanket a very large area, potentially preventing fish or whales from hearing their prey or predators, finding their way, or connecting with mates, group members, or their young.
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Explanation:
Just as much salvation has been brought to the world due to developments in marine industry in terms of better technology, there is no denying the fact that simultaneously the natural balance of things has had to pay a price. With ship transportation picking up pace, the environmental effects of it is now surfacing. Among them, effects of noise pollution especially on marine life are highly prominent.
Two main reasons that make environmental impact of noise in marine life especially grave are- firstly noise travels much more in water, covering greater distances than it would do on land while travelling though air, and secondly because the marine life is extremely sensitive to noise pollution. Due to their extreme reliance on underwater sounds for basic life functions like searching for food and mate and an absence of any mechanism to safeguard them against it, underwater noise pollution disrupts marine life in more serious ways.
Source of ocean noise pollution include everything from the ship noise to the low frequency sonar ‘sounds’ used extensively in submarine detection or even the seismic air gun noise from oil and gas exploration or even commercial shipping traffic and coastal jet ski traffic. Studies have showed that while these ‘sounds’ may have no impact on human, in marine life, they can be detrimental. Population of cetacean (whales and dolphins) has declined in areas prone to such noise pollution from ships.
marine pollution
The death of animals can occur merely hours after exposure to extreme underwater noise for example whales can die soon enough due to standings. Beaching themselves shortly after a tactical sonar exercise is a rather common environmental impact of noise pollution. Such beaching has been reported in regions like Greece, Madeira, Hawaii, Spain and the coastal US- areas where sonar exercises are common.
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