Can you identify plants typical of a mire?
In many parts of Vattaja, there are transition mires and coastal mires with only a thin layer of peat. The mires in the area are young, having formed as a result of the post-glacial land uplift following the last Ice Age, when coastal lagoons gradually dried out and became mires. During summer, they are often relatively dry, and because water levels fluctuate, peat does not accumulate.
Among the most common species, Arctic bramble (Rubus arcticus) and field horsetail (Equisetum arvense) grow on the drier edges of the mires. Marsh cinquefoil (Potentilla palustris) and spiky bog moss (Sphagnum squarrosum) thrive in the wetter parts.
Farther from the coast, open mire areas resemble aro wetlands. In aro wetlands, fluctuating water levels limit the number of species. Alongside plants typical of fens, they also support species associated with dry habitats, such as common sedge (Carex nigra), which is characteristic of Vattaja.
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