Icebergs are ‘ecological hotspot’

Drifting icebergs are “ecological hotspots” that enable the surrounding waters to absorb an increased volume of carbon dioxide, a study suggests.

US scientists found that minerals released from the melting ice triggered blooms of CO2-absorbing phytoplankton.

These microscopic plants were then eaten by krill (shrimp-like organisms), whose waste material containing the carbon sank to the ocean floor.

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