With location regulations no longer in force, fishing boats are harvesting thousands of tons of krill from very few areas, increasing competition with penguins, seals, whales and other marine life.
Articles on Southern ocean
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Could marine heatwaves in the cold Southern Ocean be making animals and birds migrate? It’s possible – but we need better monitoring to know.
This behaviour is unique, rather perplexing and not reported in other large whales.
This remarkable seasonal change in Antarctic sea ice is like a heartbeat within our planet’s climate system. We need to better understand it.
The loss of iconic Antarctic wildlife is no longer a future possibility. It is happening in real-time, while we watch.
With the loss of sea ice, tiny filter feeders known as ‘salps’ can thrive, while shrimp-like krill lose out.
A four-year record from the heart of the Ross Ice Shelf shows how subtle changes could shape future sea level rise, ocean ecosystems – and even our weather.
The Southern Ocean is the engine room of global heat and carbon uptake – and it’s changing faster and more dramatically than we thought.
The link between feeding and breeding makes whales a living barometer of ocean health.
From the wave-lashed surface to the deep sea, the Southern Ocean Time Series is a crucial tool for scientists to keep the pulse of this important region of Earth.
Scientists once thought Antarctica might hold onto its sea ice as the world warmed. No longer.
Protecting remaining strongholds and minimising human impacts on food sources will be crucial to avoiding further population decline of this remarkable creature.
Foraminifera have lived almost everywhere in the ocean for millions of years. Their fossilised remains hold a record of Earth’s past.
Protections for the Heard and McDonald islands, one of Australia’s wildest and most remote areas, don’t go far enough
The Southern Ocean’s krill-rich waters attract multiple species of filter-feeding whales – and, increasingly, fishing boats.
New research shows how marine debris from continents across the southern hemisphere threatens Antarctica’s remote coastline and unique marine ecosystems. Foreign organisms might be hitching a ride.
The scientific and broader community must join together to advance Southern Ocean science and protect this vital natural asset.
Iron-rich dust feeds phytoplankton. They are a key form of life in the Southern Ocean, which acts as a climate shock absorber.
Maritime folklore is awash with tall tales of monstrous waves. A new study gets closer to understanding where they come from and how to predict them.
A lack of human activity in the Southern Ocean is just one reason why the air is so clean. Clouds and rain play a vital role in scrubbing the atmosphere, removing natural airborne particles too.
Top contributors
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Antarctic Law Researcher, Institute for Marine and Antarctic Studies and the Antarctic Climate and Ecosystems CRC, University of Tasmania
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Professor in Oceanography and Public Engagement, Utrecht University
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Professor in Marine Science, University of Otago
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Professor in Ocean Physics, University of Auckland, Waipapa Taumata Rau; Earth Sciences New Zealand
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Professor of Applied Mathematics, The University of Melbourne
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Director of the ARC Centre of Excellence for Our Future Oceans and Scientia Professor in Oceanography, UNSW
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Professor in Glaciology, University of Otago
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Senior Curator, Vertebrate Palaeontology, Museums Victoria Research Institute
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Professor, Institute for Marine and Antarctic Studies, University of Tasmania
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Adjunct Professor, Institute for Marine and Antarctic Studies, University of Tasmania
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Professor in Cloud Microphysics, Monash University
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Adjunct Senior Lecturer, University of Tasmania
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Associate Professor in Environmental History, University of Tasmania
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Postdoctoral research associate, University of Tasmania
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Research Scientist, CSIRO