Raised bog
Videos
Raised bogs, also called ombrotrophic bogs, are acidic, wet habitats that are poor in mineral salts and are home to flora and fauna that can cope with such extreme conditions. Raised bogs, unlike fens
Ewiges Meer Nature Reserve, raised bog element of the remains of a bog in East Frisia
Peat moss floating mat on a silted-up raised bog kolk
Layering of a raised bog: plant remains, white peat and black peat (from the top)
A raised bog called Punassuo ("Red Bog") in Teijo National Park, Finland
Palsa
Videos
Palsas are peat mounds with a permanently frozen peat and mineral soil core. They are a typical phenomenon in the polar and subpolar zone of discontinuous permafrost. One of their characteristics is h
A group of well developed palsas as seen from above
The Storflaket peat bog near Abisko in northern Sweden is a permafrost plateau. It shows some signs of collapse such as cracks at its borders.