Monday, March 10, 2014

Biologists from the Alfred Wegener Institute , Helmholtz Centre for Polar and Marine Research (AWI)

AQVIVA» Blogarkiv » New actors in the Arctic ecosystem
Biologists from the Alfred Wegener Institute , Helmholtz Centre for Polar and Marine Research (AWI) have for the first time shown that amphipods from the warmer Atlantic are now reproducing in Arctic waters to the west of Spitsbergen. This surprising discovery indicates a possible shift of the Arctic zooplankton community, scientists report in the journal Marine Ecology Progress Series. The primary victims of this Atlantification are likely msconline to be marine birds, fish and whales. The reason is that the migrating amphipods measure around one centimetre, and so are smaller than the respective Arctic species; this makes them less nutritious prey.
Kraft A, Nöthig EM, Bauerfeind E, Wildish DJ and others (2013) First evidence of reproductive success in a southern invader indicates possible community shifts among Arctic zooplankton. Mar Ecol Prog Ser 493:291-296
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