Sea Ice Closeup (IMAGE)

University of Washington

Sea Ice Closeup

Caption

Microbes turn the underside of the sea ice brown or green, sometimes forming thick mats in the protected area under the ice. Some emit a distinctive seaweed-like odor. New experiments reveal how these algae, the base of the food web in polar environments, adjust to seasonal changes in temperature and salinity.

Credit

Hannah Dawson/University of Washington

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