>Paul Nicklen, Canada, National Geographic.South Georgia, Antarctica, is a 160-km-long arc of mountains and glaciers, half covered by snow and ice, half by rock and tundra-like vegetation. A high density of krill (small, protein-rich | crustaceans) in the surrounding seas helps make the island a haven for wildlife. Krill form a vital part of the Antarctic food chain but their own food source – phytoplankton growing on the underside of sea ice – is disappearing as ice cover shrinks. | |
;)
