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WHALES AHOY
Navy exercise used to study whales

disclaimer: image is for illustration purposes only
by Staff Writers
 Washington (UPI) Aug 5, 2008
The U.S. government used the Navy's annual Rim of the Pacific exercise this year to conduct large-scale research on the effects of sonar on whales.

The data will take months to analyze, The Virginian Pilot reported. In three weeks, researchers from universities and government agencies tagged about 40 whales, about half of them pilot whales.

"This was the first time that we were ever able to tag these animals around realistic military exercises," said Brandon Southall, director of the ocean acoustics program for the National Oceanic and Atmospheric Administration fisheries division.

Southall said that most of the tagging in the Pacific was done with satellite tags, which remain on a whale for several weeks and transmit data on its movements to a satellite. In a three-year study off the Bahamas, researchers are relying more on archival tags, which remain with the whale for a short time and then detach. The tags, which have to be retrieved by researchers, provide what Southall called "exquisite detail" for a few hours.

Scientists fear that sonar, used to track ship movements, can interfere with whales, which use sound to find food and each other.

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WHALES AHOY
Whale playground offers glimpse into Russia's melting Arctic
 Solovetsky Islands, Russia (AFP) July 24, 2008
 A young whale pokes its melon-shaped head into the cool morning air near this remote island, a sign its herd is thriving despite mounting threats in Russia's melting Arctic.






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