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[ad_1] Marine existence hitching a journey on ocean-crossing ships poses a risk to Antarctica's pristine ecosystems, with the possibility of invasive species to reach from virtually any place around the globe, say the authors of a brand new learn about. New analysis through the College of Cambridge and the British Antarctic Survey has traced the worldwide actions of all ships getting into Antarctic waters. It finds that Antarctica is attached to all areas of the globe by the use of an in depth community of send task. Fishing, tourism, analysis and provide ships are exposing Antarctica to invasive, non-native species that threaten the stableness of its pristine setting. The learn about is printed lately within the magazine PNAS . The researchers recognized 1,581 ports with hyperlinks to Antarctica, and say that each one can be a possible supply of non-native species. The species -- together with mussels, barnacles, crabs and algae -- connect themselves to ships' hulls, in...