Articles on Oceans

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Predatory fish are among the most vulnerable species to human pressures. Rich Carey/Shutterstock

New map shows that only 13% of the oceans are still truly wild

The world has some 500 million square kilometres of ocean. But just 55 million square kilometres remain untouched by intensive human activities such as fishing.
A whale shark moves towards a piece of plastic in the ocean. (Shutterstock)

Not all marine fish eat plastics

If we are truly invested in addressing the issue of marine plastic and offsetting the potential harms, we have to understand which fish eat plastic and which ones don't.
Boat noise can interfere with the underwater communication of fishes and other marine animals. Unsplash

The fishy problem of underwater noise pollution

The noise from motor boats, sonar and other industrial activity interferes with the underwater chatter of fishes.
The British First Fleet knew little of conditions in Port Jackson, later Sydney Cove, before their arrival. George Edwards Peacock, State Library of New South Wales.

Black skies and raging seas: how the First Fleet got a first taste of Australia’s unforgiving climate

When the First Fleet sailed into Sydney Cove in 1788, they entered an ancient and unforgiving landscape. A new book charts Australians' relationship with one of the world's most volatile climates.
The increasingly bleached coral at Black Point on the Cobourg Peninsula is a worrying sign of what’s to come for other coral reefs in Australia. Alan Withers

New coral bleaching outbreak in NT a worrying sign of our warming oceans

Coral bleaching has struck the Northern Territory, adding urgency to the need for better national management strategies for our warming oceans.
Farmed fish like these carp now make an important contribution to global food security. Ben Belton

Let them eat carp: Fish farms are helping to fight hunger

Many critics say that fish farms mainly sell their output to wealthy countries and don't provide much benefit to poor people in producing countries. Three aquaculture experts show why this view is wrong.

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