DNA detector exposes hidden Antarctic krill

Like forensic investigators, scientists can use molecular techniques to detect evidence of Antarctic krill in seawater samples collected in the Southern Ocean. The revolutionary technology can identify Antarctic krill DNA ...

How does the climate crisis affect the Antarctic fur seal?

The climate crisis is limiting the availability of krill—small crustaceans that are vital in the marine food chain—during summer in some areas of the Antarctica. This involves a decrease in the food abundance for female ...

Human-driven climate change only half the picture for krill

In the heart of their Antarctic habitat, krill populations are projected to decline about 30% this century due to widespread negative effects from human-driven climate change. However, these effects on this small but significant ...

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 ...

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