Last Updated: Wednesday, 23 April 2008, 12:32 GMT
Date of first transmission: 2008-04-22T22:32:00-00:00 (audio available for approximately 1 week)
Gabrielle and Pete Convey get excited by a mossy hollow on Alexander Island in the deep south.
DISCOVERY IN ANTARCTICA
Episode 4: Life and Ice
Antarctica is one of the most inhospitable environments on Earth.
Although nutrient-rich waters around it support abundant life, from plankton to penguins, the land itself seems like a frozen desert. But even here there is life.
Gabrielle Walker goes ‘on safari’ with biologists searching for tiny creatures from soil and rock crevices and discovers the lions and elephants of this miniature ecosystem.
They are revealing the secrets of their survival and clues to the future of sensitive ecosystems worldwide.
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