Articles on Oceans

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Sperm whales, like many other species, use echolocation which can be hampered by noise. Gabriel Barathieu/Wikimedia Commons

It’s time to speak up about noise pollution in the oceans

We tend to think of the oceans as quiet, when in fact they're anything but. Noise is the "forgotten pollutant", but the good news is that unlike many other pollutants it can be switched off if we try.
Cartier Island marine reserve is part of a network that covers one-third of Australian waters. Australian Institute of Marine Science

Oil, gas and marine parks really can coexist in our oceans – here’s how

Marine parks need to cover large swathes of ocean, but they also need to cover the right areas if they are to deliver the best conservation. New research off Australia's northwest suggests how.
A plague, or just an artefact? Jacob Gruythuysen

How time-poor scientists inadvertently made it seem like the world was overrun with jellyfish

How flawed citation practices can perpetuate scientific ideas even before they've been fully established as true.
A mass proliferation of Noctiluca scintillans, a red tide forming dinoflagellate at Clovelly Beach, NSW. It can form dense aggregations that deplete oxygen and produce ammonia. Gurjeet Kohli

Collecting data to help protect Australia’s waters from toxic algal blooms

They give us part of the air we breathe but microscopic phytoplankton can also be toxic. They are also on the move thanks to climate change so a new Australian database hopes to monitor any changes.
Coral affected by black band disease, Bahamas. James St. John/Flickr

Is global warming causing marine diseases to spread?

Infectious diseases are a normal part of ocean ecosystems, just as they are on land. But climate change is altering the oceans in ways that could make marine diseases spread farther and faster.

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