Calaminarian grassland

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Calaminarian grassland is grassland where the process of seral succession has been halted due to the toxicity of soils containing high levels of toxic metal ions. These habitats may be semi-natural on naturally exposed deposits, or the result of mining, or from erosion by rivers, sometimes including washed-out mine workings.[1]

In the United Kingdom calaminarian grassland is regarded as one of its 'habitats of principal importance for biodiversity conservation' and is predominantly found on industrial or post-industrial land, especially in the east of Cumbria and western dales, the Peak District[2] and north west Wales and parts of the Scottish Highlands. Semi-natural examples are rarer and found mainly in the Highlands and Islands of Scotland.

Species typical of Calaminarian grasslands include:[1]

Other notable species include:

See also[edit]


  1. ^ a b Biodiversity Reporting and Information Group (2011) [2008]. Ant Maddock, ed. "UK Biodiversity Action Plan: Priority Habitat Descriptions" (PDF). Joint Nature Conservation Committee. 
  2. ^ "Calaminarian grassland project". Peak District National Park. Retrieved 26 April 2017.