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Sonar mapping for oil killed Madagascar whales: study

One hundred whales died suddenly off the coast of Madagascar in May 2008.

A NOISY TECHNOLOGY that blasts sounds below water to map the ocean for oil is being blamed for 100 melon headed whale deaths off Madagascar, experts said in a report published today.

An independent panel of scientists found that sonar surveying by ExxonMobil in late May 2008 led to the sudden displacement of the whales, which became stranded and died.

“This is the first known such marine mammal mass stranding event closely associated with relatively high frequency mapping sonar systems,” said the report released by the International Whaling Commission.

“Earlier such events may have been undetected because detailed inquiries were not conducted.”

The researchers described a “highly unusual event” in which about 100 melon headed whales became stranded in shallow waters in the Loza Lagoon system in northwest Madagascar in May and June 2008.

“This typically open ocean cetacean species had never previously nor since been reported in this shallow tidal estuarine system, nor in any other in Madagascar,” said the study.

The culprit was named as a “high power 12 kHz multi beam echosounder system (MBES)” operated by an Exxon Mobil vessel on 29 May about 65 kilometre offshore from the first known stranding.

The five-member independent scientific review panel said the vessel’s operation was “the most plausible and likely behavioural trigger for the animals initially entering the lagoon system”.

The sounds would have been “clearly audible over many hundreds of square kilometres of melon headed whale deep water habitat areas.”

The advocacy group Oceana said the findings show how dangerous the technology can be to aquatic animals.

“Seismic blasts can disturb the vital behaviours of dolphins and whales such as breathing, feeding, mating and communicating,” said the group’s vice president for US Oceans, Jacqueline Savitz.

“This can quickly turn deadly when animals are startled into rushing to the surface or are driven into shallower areas, where they often die as these whales did.”

A spokesman said ExxonMobil said it does not back the panel’s findings.

ExxonMobil believes the panel’s finding about the multi-beam echo sounder is unjustified due to the lack of certainty of information and observations recorded during the response efforts in 2008.

The evidence was compiled by the International Whaling Commission, the US Marine Mammal Commission, the US National Oceanic and Atmospheric Administration, the US Bureau of Ocean Energy Management, ExxonMobil Exploration and Production (Northern Madagascar) Ltd, the International Fund for Animal Welfare, the Wildlife Conservation Society and the Government of Madagascar.

© AFP, 2013

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    Mute Glen
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    Nov 13th 2014, 12:31 PM

    Well we can all sleep peacefully now that that’s sorted.

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    Mute Fergus Flanagan
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    Nov 13th 2014, 1:04 PM

    Not the best comparison really considering he retorted with a figure for the domestic market rather than all operated markets combined.

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    Mute andrew
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    Nov 13th 2014, 12:34 PM

    The greed of the music companies is line one endless stream. The artists complaints are a joke. Plays on Spotify are like having your ads paid for

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    Mute Ruairí
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    Nov 13th 2014, 12:43 PM

    Streams on Spotify are a pittance and a poor source of income for musicians. More power to her if she wants to remove her music from Spotify. She clearly doesn’t need it as she’s by far the best selling artist this year.

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    Mute Alien8
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    Nov 13th 2014, 3:08 PM

    Taylor Swift and her record company are just in it for the prestige of record breaking sales and the history books, not people who listen to the music. Nowhere is questioned what is better for the consumer (or fans as they used to be known)?

    Spotify has obviously not cannibalised the album buying public, as her album has one of the highest number of record sales, which is in addition to any income from streaming and video services.. Spotify replaces the radio, not albums sales, and it gives people to opportunity to spend a small amount to listen (not own) music for a low cost. But not low enough that If all you wanted to listen to was taylor swift, then you could buy her back catalogue for less than a few months of spotify.

    What the record company don’t get is that the spotify income, small as it is compared to if everyone who listened to a track bought the album instead, is a top up from people who would just download it from a torrent, or listen to it on the radio. It is never about being paid for their work, as she has the highest income per effort in the world, but instead just making sure parents pay what a record company exec told her each fan was worth.

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    Mute Tweety McTweeter
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    Nov 13th 2014, 1:25 PM

    She is probably the most popular pop artist out there at the moment and she would only make €400k/year on Spotify? Most artists must only be making pennies on it

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    Mute Powerful Sayings
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    Nov 13th 2014, 12:54 PM

    I like her songs.

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    Mute gerry o donell
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    Nov 13th 2014, 9:41 PM

    don’t know why. but her and her songs really annoy me, even more than Cheryl cole

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    Mute _doesnotcompute
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    Nov 13th 2014, 1:53 PM

    Oooooh no, she only earned €398,000 in the last 12 months. Boo focking Hoo.

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    Mute Plain Porther
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    Nov 13th 2014, 9:15 PM

    Taylor Swift and music in the same sentence . . . ? Jaysus.

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    Mute Paul Roche
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    Nov 13th 2014, 12:42 PM

    Nope.

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    Mute Mrs Shalakalananaka
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    Nov 13th 2014, 1:00 PM

    Maybe?

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    Mute Chief
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    Nov 13th 2014, 2:14 PM

    Depends!

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    Mute Paul Roche
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    Nov 20th 2014, 7:35 PM

    On?

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