Conservation Groups Challenge Navy's Sonar Plans

SeaDiscovery.com
Sunday, December 22, 2013
Whale Image CCL 2

The National Oceanic and Atmospheric Administration (NOAA) has approved the Navy’s 5-year plan to expand its sonar & live-fire training exercises in the Pacific ocean, but environmentalists are challenging the decision because of the threat it poses to marine life, reports Care2 in the following (excerpted) report.

It’s been well established that marine mammals rely on hearing to navigate, communicate, feed and survive, and while there may be some dispute about how much damage the use of sonar causes, it and live-fire activities have been linked to mass whale strandings and deaths, in addition to causing stress, injuries and behavioral changes in other marine species.

The Navy insists that these training exercises are vital for preparing soldiers and requested authorization under the Marine Mammal Protection Act to carry out activities because the sounds generated by sonar and explosives may affect the behavior of some marine mammals, cause a temporary loss of their hearing sensitivity or other injury.

It has made a few promises that are supposed to limit the threats, such as creating a humpback whale cautionary area around Hawaii, but environmentalists don’t believe the proposed precautions will provide enough protection and are taking legal action.

Earthjustice, which is representing a coalition of conservation groups, immediately filed a lawsuit challenging NOAA’s approval of the Navy’s plans, which were also opposed by the California Coastal Commission.

According to the lawsuit , over the next five years, the authorized training will result in nearly 60,000 hours of the Navy’s most powerful mid-frequency active sonar and more than 450,000 hours of other mid-frequency sonar, low-frequency sonar, high-frequency sonar and the use of more than 260,000 explosives, which will send shock waves and sound energy through the water that can kill or injure marine mammals, in addition to causing physical injuries and behavioral changes to survivors.


 


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