Quiet marine zones would support ecological research, says new study
Date:October 8, 2015
Source:Elsevier
Quiet areas should be sectioned off in the oceans to give us a better picture of the impact human generated noise is having on marine animals, according to a new study published in Marine Pollution Bulletin. By assigning zones through which ships cannot travel, researchers will be able to compare the behavior of animals in these quiet zones to those living in noisier areas, helping decide the best way to protect marine life from harmful noise.
The authors of the study, from the University of St Andrews, UK, the Oceans Initiative, Cornell University, USA, and Curtin University, Australia, say focusing on protecting areas that are still quiet will give researchers a better insight into the true impact we are having on the oceans.
Almost all marine organisms, including mammals like whales and dolphins, fish and even invertebrates, use sound to find food, avoid predators, choose mates and navigate. Chronic noise from human activities such as shipping can have a big impact on these animals, since it interferes with their acoustic signaling -- increased background noise can mean animals are unable to hear important signals, and they tend to swim away from sources of noise, disrupting their normal behavior.
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