12 Hrs
Source:
MARCA
Arctic Nitrogen's Impact
Researchers led by Lisa von Friesen at the University of Copenhagen found nitrogen-fixing bacteria active beneath Arctic multiyear ice, including in the dark waters of the Eurasian Basin. Data published in 2025 recorded nitrogen fixation of 5.3 nanomoles per liter per day, supporting algae that absorb carbon dioxide and help regulate the climate. Scientists aim to understand how accelerating ice melt alters this relationship by changing water masses and nutrient availability.
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