Gigantic ice deserts full of black algae are making the ice melt faster

The ice is melting 20% faster, according to the estimates of the researchers.

​​Glaciers contain a large reservoir of microbial life. And these microbial communities in glacial environments can survive on top of the ice, beneath its surface, or in between. Glaciers are an ecosystem on their own. When they melt, their inhabitants also change.in Denmark have discovered that these glaciers are teeming with life. The team assessed the activity and diversity of microbes living on glacial surfaces in Iceland and Greenland.

There are several thousand different species of microorganisms living under environmental extremes. The study reports that one strategy that enables microbial life to exist and persist in environmental extremes is dormancy, which despite being prevalent among microbial communities in natural settings, has not been directly measured and quantified in glacier surface ecosystems.“A small puddle of melt-water on a glacier can easily have 4,000 different species living in it.

"The algae spread a little more every year. When I travel to Greenland, I now see vast areas where the ice is completely dark because of the algae,” said Anesio. The team is now looking into the effects of black algae and finding if the growth rate of algae can be slowed down in some way or another.

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