The Southern Ocean recognised as the world’s fifth ocean by Nat Geo cartographers
National Geography Society has been making maps since 1915
So far, they recognised the Atlantic, Pacific, Indian and Arctic oceans
The development came on the occasion of World Oceans Day
Debate on identifying the vast mass of water surrounding Antarctica as an ocean has been going on for a long time
Nat Geo said that while other oceans are identified by the region they surround, the Southern Ocean is defined by its current
The Southern Ocean is home to a delicate marine ecosystem that includes whales, penguins and seals
