Alkaline fens

Valuable wetlands but difficult to manage

image of Alkaline fens

Alkaline fens are species rich wetlands that today are threatened. Nature conservation officers and experts of alkaline fens from Denmark, Estonia, Finland, Iceland, Norway and Sweden visited alkaline fens in Sweden and Finland to discuss the current situation. Restoration and management can be expensive and there is a need to find more appropriate ways to manage and restore alkaline fens.



Ajos rich fen

The 2-ha rich fen was protected due to its varied flora in the early 1980s. Based on a visual expert assessment, the development of some fen vegetation appears to be undesirable; for example, there are signs of excessively vigorous growth of birch and pine, as well as common reed. Rare species, like the white adder's mouth (Malaxis monophyllos), have not been observed lately. However, no data is available on water chemistry or changes in plant communities. There is a large groundwater pumping station nearby, where 400 litres of water are pumped daily.


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