The Southern Ocean, like marine ecosystems world-wide, faces many threats and conservation issues. Changes to the ocean’s physical, chemical and biological systems have occurred because of climate change, ocean acidification and commercial exploitation. Apart from commercial exploitation, these pressures remain as important drivers of change. Changes to Southern Ocean ecosystems have far-reaching consequences for the global carbon cycle, the conservation of threatened and depleted marine species, such as whales, and the sustainability of fisheries, including the krill and toothfish fisheries.

The Australian Antarctic Division’s scientific research in the Southern Ocean aims to answer some of the many questions arising in this rapidly changing environment.

In the video below Dr Andrew Constable, leader of our Southern Ocean Ecosystems: Environmental Change and Conservation program, describes this research.

Read about some of this program’s research highlights, including: