Seasonal snow bank environment

Is a small depression on the mountain slope where snow remains for more than nine months of the year. When the soil defrosts it is full of moisture.
This environment hosts dwarfed species which adapt to exploit the very scarce resources available and which can complete their vegetative cycle in a short period of time.
A typical specie of such areas is the herbaceous willow, a miniature tree only a few centimetres tall that covers the ground often forming a dense mat.

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