VIDEO. Does this pink snow linked to an algae represent a threat to glaciers?

0
2
 VIDEO. Does this pink snow linked to an algae represent a threat to glaciers?


Every day, “20 Minutes” recommends a video produced by its partner Brut


Chlamydomonas nivalis, the algae that colors snow pink


© Christopher Boon – CC BY-SA 4.0
Chlamydomonas nivalis, the algae that colors snow pink


ENVIRONMENT – Every day, “20 Minutes” recommends a video produced by its partner Brut If you ski or hike, you may have already seen these strange expanses of pinkish glaciers. Well know that their coloring is not consecutive to a wild training of rugby from Stade Français but the presence, at altitude, of Chlamydomonas nivalis, an alga – yes, yes, an alga! – which takes advantage of the spring heat to proliferate.

A not very rosy future

If some find it pretty, is this phenomenon, nicknamed “watermelon snow” or “ice blood”, harmful? And what is the presence of the algae that causes it due? This is whattry to determine scientists by studying its manifestations on many glaciers around the world.

Discover their conclusions in this video from our partner Brut :

LEAVE A REPLY

Please enter your comment!
Please enter your name here