Research vessel Polarstern returns home after one and a half years in the Antarctic
Alfred Wegener Institute (AWI)
Published: 9 April 2014
After 18 months in the Antarctic, RV Polarstern returns with crucial data from the Filchner-Ronne Ice Shelf. Scientists studied sea ice, ocean currents, and biodiversity, aiding future climate models and understanding of this rapidly changing region.
Keywords: biodiversity, satellite buoys, Weddell seals, hydrography, deep-sea biology, AWI, marine research.
New actors in the Arctic ecosystem: Atlantic amphipods are now reproducing in Arctic waters
Alfred Wegener Institute (AWI)
Published: 12 December 2013
For the first time, Alfred Wegener Institute biologists have confirmed that Atlantic amphipods are reproducing in Arctic waters near Spitsbergen, signaling a shift in zooplankton communities that could impact Arctic food webs and top predators.
Keywords: Alfred Wegener Institute, amphipods, Arctic, Atlantic species,HAUSGARTEN, food web, Marine Ecology Progress Series, ocean warming, biodiversity.
The simpler, the more heat-resistant – scientists uncover the key to adaptation limits of ocean dwellers
Alfred Wegener Institute (AWI)
Published: 26 June 2014
Simpler marine organisms, like bacteria and archaea, tolerate higher temperatures and low oxygen better than complex ones due to their basic structure. Complex species like animals and plants face stricter limits, especially above 41°C, threatening their survival.
Keywords: Climate change, marine organisms, temperature tolerance, oxygen levels, organism complexity, adaptation limits, biodiversity shift
