New Actors in the Arctic Ecosystem

Date: 12/2/2014

Biologists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research have shown that amphipods from the warmer Atlantic are now reproducing
in Arctic waters to the west of Spitsbergen. This discovery indicates a possible shift of the Arctic zooplankton community, scientists report in the journal Marine Ecology Progress. The primary victims of this ‘Atlantification’ are likely to be marine birds, fish and whales. Migrating amphipods measure around one centimetre, and so are smaller than the respective Arctic species; this makes them less nutritious prey.

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