December 12, 2012

Crab Invasion Threatens Antarctic Ecosystem

Douglas Fox, Nature News


AP Photo

On a dim February evening, seven people crowded around a row of television monitors in a shack on the rear deck of the RV Nathaniel B. Palmer. The research icebreaker was idling 30 kilometres off the coast of Antarctica with a cable as thick as an adult's wrist dangling over the stern. At the end of that cable, on the continental shelf 1,400 metres down, a remote-operated vehicle (ROV) skimmed across the sea floor, surveying a barren, grey mudscape. The eerie picture of desolation, piped back to the television monitors, was the precursor to an unwelcome discovery.

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TAGGED: Invasive Species, Crabs, Antarctica, Climate Change

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