When the snow turns red in, the spectacle may seem macabre. In fact, this “blood of “Is due to a microalgae, a period during which they multiply strongly.
We find in the mountainsstill very little known. Scientists founded the for possibly threatened by the . They were able to create a distribution map of snow microalgae, which . For example, those like Blood, who give the red because of their concentration in , are found only from 2,000 meters, while Symbiochloris proliferate lower, at 1,500 meters.
Some questions remain unanswered: what are all thepopulating the snow? How do they manage to withstand extreme weather conditions? What is the effect of warming on blooms ? Conversely, what is their effect on of snow ? Scientists will try to answer it.