A type of mire (or boggy wetland) complex found in boreal and alpine regions. Palsas are peatPeat is a soil type formed from slowly decomposing vegetation. It is found in wet areas where the lack of oxygen slows the breakdown of plant matter. Peatlands are areas... More mounds, sometimes containing permafrostPermafrost is frozen ground that remains at or below zero degrees Celsius (32 degrees Fahrenheit) for two or more years. It forms in regions where the mean annual temperature is... More. The palsas are usually 2-4 metres high, palsas up to 7 metres high have been found in Finland and Sweden.

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