a raised area within a bog or fen that is generally drier than nearby hollows and more acidic Hummocks are often formed around the roots of trees or shrubs or by a fallen tree trunk
A mound composed of organic materials Often peat, Sphagnum or other moss Slight hummocks are 0 3-1 m high and spaced >7 m apart Moderate hummocks are 0 3-1 m tall and spaced 3-7 m apart Strong hummocks are 0 3-1 m tall spaced 1-3 m apart