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Botanical diversity in British mires
Authors:B D Wheeler
Institution:(1) Department of Animal & Plant Sciences, University of Sheffield, S10 2TN Sheffield, UK
Abstract:Although mires are sometimes regarded as a single, specific and even esoteric habitat-type, in their full range of development-calcareous fens to acidic bogs, lowland swamps to upland flushes, woodlands, sedgelands and mosslands-they occupy a wide range of environmental conditions and sustain a rich botanical resource. Here an outline is given of the types of mires that are widespread in Britain and their botanical resource. It is discussed with reference to some of the environmental variables and management conditions that have been shown to influence the species composition and diversity of their vegetation. Some implications that this has for the classification of mires are outlined.
Keywords:bogs  fens  environmental variables  species composition  mire classification
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