Killer whales migrate, study finds, but why?
Some killer whales, a study published Wednesday shows for the first time, wander nearly 10,000 kilometres (6,200 miles) from Antarctica's Southern Ocean into tropical waters -- but not to feed or breed.
Some killer whales, a study published Wednesday shows for the first time, wander nearly 10,000 kilometres (6,200 miles) from Antarctica's Southern Ocean into tropical waters -- but not to feed or breed.
Plants & Animals
Oct 25, 2011
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The sea floor around the West Antarctica peninsula could become invaded by a voracious king crab, which is on the march thanks to global warming, biologists reported on Wednesday.
Ecology
Sep 7, 2011
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Scientists have observed a "super-aggregation" of more than 300 humpback whales gorging on the largest swarm of Antarctic krill seen in more than 20 years in bays along the Western Antarctic Peninsula.
Ecology
Apr 27, 2011
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(PhysOrg.com) -- Research led by Dr Amelia Shevenell (UCL Geography), published in Nature (9 February), shows that the Antarctic Peninsula is one of the fastest-warming places on Earth, experiencing dramatic regional climate ...
Earth Sciences
Feb 18, 2011
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(PhysOrg.com) -- Antarctica may not be the world's largest landmass -- it's the fifth-largest continent -- but resting on top of that land is the world's largest ice sheet. That ice holds more than 60 percent of Earth's fresh ...
Earth Sciences
Jul 23, 2010
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Ice shelves are retreating in the southern section of the Antarctic Peninsula due to climate change. This could result in glacier retreat and sea-level rise if warming continues, threatening coastal communities and low-lying ...
Earth Sciences
Feb 22, 2010
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Large blooms of tiny marine plants called phytoplankton are flourishing in areas of open water left exposed by the recent and rapid melting of ice shelves and glaciers around the Antarctic Peninsula. This remarkable colonisation ...
Earth Sciences
Nov 9, 2009
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(PhysOrg.com) -- Satellite images show that icebergs have begun to calve from the northern front of the Wilkins Ice Shelf - indicating that the huge shelf has become unstable. This follows the collapse three weeks ago of ...
Earth Sciences
Apr 28, 2009
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(PhysOrg.com) -- An ice bridge connecting the Wilkins Ice Shelf on the Antarctic Peninsula to Charcot Island has disintegrated. The event continues a series of breakups that began in March 2008 on the ice shelf, and highlights ...
Earth Sciences
Apr 8, 2009
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(PhysOrg.com) -- The Wilkins Ice Shelf is at risk of partly breaking away from the Antarctic Peninsula as the ice bridge that connects it to Charcot and Latady Islands looks set to collapse. The beginning of what appears ...
Earth Sciences
Apr 3, 2009
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