... rare habitats in the UK, with many containing a variety of habitats including woodland and wet and dry habitats. Rare Schoeno-Junctum is supported by the habitat. Fen habitat hosts many rare bird species, including the Reed bunting. Many fen habitats are fragmented, making them unstable, and they are easily damaged by drainage, nutrient enrichment and cessation of traditional habitat regimes, and are completely lost with reclamation. However, conservation management of fen is relatively inexpensive and simple. It is the low fertility of fen soils that keeps their biodiversity high. It is essential, therefore that nutrient enrichment does not occur, or biodiversity will decrease, as dominant species will out compete the rarer sepcies. An example of the negative effects of nutrient enrichment on fens can be seen at Crymlyn bog Fen. Oil leaked from a near by power station and all the species near by were killed. The further away from ...

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