https://phys.org/news/2018-07-reveals-foreign-kelp-surfed-antarctica.html

To get there, the kelp had to pass through barriers created by polar winds and currents that were, until now, thought to be impenetrable. It means Antarctica is not as isolated from the rest of the world as scientists have thought, which has implications for how Antarctic ecosystems will change with global warming.

"This finding shows us that living plants and animals can reach Antarctica across the ocean, with temperate and sub-Antarctic marine species probably bombarding Antarctic coastlines all the time," said lead author Dr. Crid Fraser from the Australian National University (ANU).