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POGO Member News

Iron deficiency restrains marine microbes

GEOMAR scientists discover important process in the nutrient cycles of the tropical North Atlantic - Iron is a critical nutrient in the ocean. Its importance for algae and the nitrogen cycle has already been investigated in detail. Now a new discovery shows that microbes also need iron to process phosphorus. A team of researchers from the GEOMAR Helmholtz Centre for Ocean Research Kiel and the University of Southampton, UK has just published results in the international journal Nature Communications showing that iron can limit phosphorus acquisition in the ocean.

Four-month Cruise with German RV METEOR off Peru

Collaborative Research Centre 754 investigates oxygen minimum zone in the Southeast Pacific 

New study reveals when West Antarctica’s largest glacier started retreating

Reporting this week (Wednesday 23 November) in the journal Nature an international team led by British Antarctic Survey (BAS) explains that present-day thinning and retreat of Pine Island Glacier, one of the largest and fastest shrinking glaciers of the West Antarctic Ice Sheet, is part of a climate trend that was already underway as early as the 1940s.  

 

Subantarctic seabed creatures shed new light on past climate

A new marine biodiversity study in one of the largest Marine Protected Areas in the world reveals the impact of environmental change on subantarctic seabed animals and answers big questions about the extent of South Georgia’s ice sheet during the Last Glacial Maximum around 20,000 years ago.  

 

New Antarctic ice discovery aids future climate predictions

A team of British climate scientists comparing today’s environment with the warm period before the last ice age has discovered a 65% reduction of Antarctic sea ice around 128,000 years ago.  The finding is an important contribution towards the challenge of making robust predictions about the Earth’s future climate.  

 

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