The peatland vegetation of Lewis

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Abstract
Synopsis: The vegetation of the peatland of Lewis is described. Several different types of mire are distinguished according to their morphological features. The gradual transition from minerotrophic conditions within valley mires to fully ombrotrophic conditions in the blanket mires of watersheds is demonstrated. Whilst most of the blanket mire of Lewis is affected by severe peat erosion, examples were chosen to demonstrate the nature of the flora and vegetation within those mire systems at present unaffected by erosion, as well as the more characteristic eroded peatland.