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See how the vegetation changes almost metre by metre.
The plant cover looks like a mosaic. This diversity has various causes. For
example: does the ground consist of fine soil, or gravel, or rough debris? Is
the soil always wet or mostly dry? Is the location even, a steep slope, or a
hilltop? Is it exposed to a lot of sunlight, or is it a shady place? The
conditions for specific plants in a specific location depend on the interplay
of these elements.
Not only the more complex plants, but also mosses and
lichens have to adapt to and live with conditions that change within a small
area. Only the best-adapted ones can survive. Some examples: the various
wet-loving Sedges along the streams and in the mires; the espaliers of Dwarf
willow and White dryas, or Mountain avens, on the expanse of debris; the
patches of flowers and grasses on the deeper soils; or even the first trees.
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A fascinating
mosaic of vegetation with alter- nating patches of debris and grass.
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