Posts Tagged ‘Noise’

Underwater noise threatens fish as well as dolphins and whales

Research findings published in the Royal Society B journal suggest that the underwater noise levels caused by man-made activities such as wind farm construction could kill fish by making them more vulnerable to predators. In controlled experiments on sea bass conducted by researchers from the University of Bristol, recordings of pile-driving used in the construction of wind…

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Trans mountain pipeline construction stopped

From the west coast of Canada: the provincial government of British Columbia has taken action to prevent Kinder Morgan’s Trans Mountain pipeline expansion.  Contruction was scheduled to begin in September but will not be allowed to move forward on public and Tribal lands under further consultation with First Nations is completed.  The government has retained…

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Whale ears could reveal secrets of underwater noise pollution

Researchers are using the ears of whales that died after stranding on beaches to try to work out how they are affected by increasing, man-made underwater noise levels. Scientist, Maria Morell has been working with staff from the Scottish Marine Animal Strandings Scheme to produce a study (published in Scientific Reports) examining the inner ears taken…

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Eavesdropping on dolphin chat

A new project has been set up that will listen in on whale and dolphin activity in order to protect them and their homes. Scientists from Northern Ireland’s Agri-Food and Biosciences Institute (AFBI) plan to eavesdrop on marine mammals around the Irish and Scottish coasts using a network of sophisticated underwater monitoring devices. These devices…

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Whale calls recorded at deepest point of the Earth’s surface

The first audio recordings taken from the deepest point on the Earth’s surface have reveal a number of amazing sounds, including the calls of different species of whale.  Little is known about what happens in the Mariana Trench, located at the bottom of the Pacific Ocean around 322 km (200 miles) southwest of Guam, but…

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Boat speed threatens endangered orcas

A new study on noise pollution published in the online journal, PLOS ONE has identified boat speed rather than size as being more of a threat to a group of endangered orcas. Researchers monitoring of pod of orcas in the waters off Washington (US) found that speed was a more influential factor than how big a…

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US Navy forced to stop using harmful sonar in training exercises

A legal battle over the use of powerful sonar, and explosives in naval exercises has ended with the US Navy agreeing to limit their future use in any training to avoid potential harm to whales, dolphins and other marine mammals off Hawaii and California. The decision comes after the US fisheries service was legally challenged…

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Photographers fined for flying drones close to orcas

US authorities have fined two people for allegedly flying drones too close to a pod of orcas in Washington state.  In what could well be the first case of its kind, the pair have been prosecuted after capturing footage of the ocras in the Haro Strait, just east of Vancouver Island, Canada. The U.S. Department of Fisheries and Oceans…

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New understanding of whale communication

Sound is the most important sense for whales. They use it to communicate with another as well as finding their way around the oceans, and in some species to catch their prey too. Up to now it has not been clear why different whales have evolved with different systems to hear but now scientists think…

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Leading scientists call on Obama to stop noise pollution threat

A letter from over 50 leading scientists has been sent to US President Barack Obama asking him to keep the Atlantic Ocean free of planned, noisy oil exploration projects in order to protect whales, dolphins, and other marine life. The letter follows the recent announcement by the Obama administration that parts of the Atlantic coast…

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