Current Whales News and Events | Page 22

Current Whales News and Events, Whales News Articles.
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Swimming Proficiency Of Marine Mammals Ranks Them Among The World's Elite Animal Athletes
A comparative study of running, swimming, and flying animals reveals the limits of mammalian physiology and highlights the evolutionary hurdle overcome by ancestral marine mammals in making the transition from land to water. (1999-01-19)

USGS Finds Sea Otters At Risk From Killer Whales In A Changing Ocean
Because of a lack of Steller sea lions and harbor seals, large numbers of sea otters are being eaten by hungry killer whales in western Alaska waters, according to findings in the October 16 issue of the journal Science. In (1998-10-15)

Killer Whales Have Begun Preying On Sea Otters, Causing Disruption Of Coastal Ecosystems In Western Alaska
With seals and sea lions in short supply in the North Pacific, killer whales are now feeding on sea otters, causing an abrupt decline in sea otter populations in western Alaska. The decline in sea otters has allowed their primary prey, sea urchins, to multiply and strip coastal kelp forests. (1998-10-15)

Alaska Scientists Say Salmon Declines Inevitable
Scientists at the University of Alaska Fairbanks say long- and short-term changes in the ocean, El Nino, and global climate warming all play a role in the decline of salmon returns to the state during the past two years. (1998-08-08)

As A 'Carbon Sponge,' Iron-Poor Coastal Waters Can't Always Do The Job, NaturePaper Shows
Like a sponge, the Earth's oceans store the greenhouse gas, carbon dioxide--but certain coastal waters can't perform this trick because they lack iron, a University of Delaware researcher reports in the June 11 issue of the journal, Nature. (1998-06-10)

Oceans Of Health And Discovery At New Lisbon Expo
The oceans' benefits to human health will be revealed to visitors to the 14,000-square-foot U.S. Pavilion at Expo '98 in Lisbon, Portugal, beginning May 22. This major international fair, with the theme, (1998-05-15)

Static Sound Reverses Movement Of Particle
A particle in motion in a fluid causes eddies which slowly spread out, and in doing so also causes a sound wave (a density wave). That sound is rapidly transmitted further and only an eddy remains. However, computer simulations at the Institute of Atomic and Molecular Physics of the NWO's Foundation for Fundamental Research in Matter have shown that the opposite occurs with particles in a narrow tube. The eddy is quickly absorbed but the sound wave remains and pushes the particle back. (1998-01-29)

New Method Simulates Sonic Boom Ocean Penetration
Penn State engineers have developed new methods for simulating sonic boom penetration into the ocean and estimating how loud a noise the boom makes underwater where it could potentially annoy whales, fish and other marine life. (1997-12-04)

Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
Humpback whales off Hawaii appear not to be bothered by sounds from underwater speakers like those that eventually would be used for the Acoustic Thermometry of Ocean Climate study, Cornell biologists have told the National Marine Fisheries Service (1996-08-14)

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