"Sanctuary from whaling is the best way to protect the great whales, " Gladman said in a statement.
CNN: Japan attempts to abolish whale sanctuary
The sanctuary is home to minke whales of the Southern Hemisphere, the only remaining population of great whales in the Antarctic still at a level close to their natural abundance.
The great bonus is that by focusing on "homes" or safe havens for whales, we can protect much more.
BBC: Saving the seas for marine mammals
Dr Mate explained that, with sperm whales, which dive to great depths, it was far more difficult to capture the behaviour.
BBC: Sperm whale groups 'may corral deep squid'
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