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Melting Arctic may make algae flourish

More sunlight penetrates thinning sea ice, enabling algal growth

By letting sunlight through, thinning Arctic sea ice may be promoting the growth of algae, researchers suggest online February 14 in Science.

The alga Melosira arctica grows in long strands on the underside of sea ice. In summer 2012, scientists found large clumps of fresh algae, up to 50 centimeters across, that had fallen to the seafloor across the Central Arctic.

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