Posted by: coastlinesproject | August 16, 2012

Underwater Noise threatens endangered whales off Massachusetts coast.

Study off Mass. coast says increasing underwater noise threatening rare whale population

By Associated Press, Updated: Wednesday, August 15, 3:12 PM

BOSTON — A study off the Massachusetts coast has concluded that increasing amounts of underwater noise, largely from shipping traffic, is surrounding rare right whales in an “acoustic smog,” making it harder for them to communicate.The endangered North Atlantic right whale relies far more on sound than sight, using distinctive noises to maintain contact.

A paper by federal scientists and Cornell University researchers published Wednesday estimates that in the last 50 years, the area where the whales can effectively communicate in Stellwagen Bank and surrounding waters off Massachusetts has fallen by two-thirds because of the noise.

They say that’s cutting down on the animals’ ability to gather and share vital information that helps them find food, avoid predators, reproduce and protect their young.

Read more in Beach wars; 10,000 Years on a Barrier Beach. See Strawberry Hill Press tab at the top of this page.  

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