Salps fertilize the Southern Ocean more effectively than krill

Experts at the Alfred Wegener Institute have, for the first time, experimentally measured the release of iron from the fecal pellets of krill and salps under natural conditions and tested its bioavailability using a natural ...

Polarstern expedition investigates massive calved iceberg

Roughly two weeks ago, a massive iceberg calved from the Antarctic Ice Sheet. As the only research vessel nearby, the Polarstern took the opportunity to enter the area between the iceberg and the Brunt Ice Shelf. The first ...

Antarctic Peninsula warming up due to heat in Tasman Sea

The melting of the Earth's ice cover intensified in the 20th century, with glaciers and sea ice in the Arctic and Antarctic regions melting at alarming speeds. In fact, The Antarctic Peninsula (AP), which is the only landmass ...

Sea butterflies already struggle in acidifying Southern Ocean

The oceans are becoming more acidic because of the rapid release of carbon dioxide (CO2) caused by anthropogenic (human) activities, such as burning of fossil fuels. So far, the oceans have taken up around 30% of all anthropogenic ...

The new face of the Antarctic

In the future, the Antarctic could become a greener place and be colonized by new species. At the same time, some species will likely disappear. 25 researchers recently presented these and many other findings in a major international ...

What caused the ice ages? Tiny ocean fossils offer key evidence

The last million years of Earth history have been characterized by frequent "glacial-interglacial cycles," large swings in climate that are linked to the growing and shrinking of massive, continent-spanning ice sheets. These ...

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