Plant frequency and distribution on high-lead soil near Leadhills, Lanarkshire
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The mean frequency of plants along a transect descending Wanlock Dod, near Leadhills, Lanarkshire, Scotland was determined by quadrat analysis. The results obtained strongly suggested that lead tolerant ecotypes ofAgrostis tenuis, Nardus stricta andPotentilla erecta were present above known lead veins. The evidence forVaccinium myrtillus was less certain. Other species appeared to be affected by soil moisture content, grazing pressure and climatic factors. The areas above known lead veins exhibited a larger diversity of species than the areas between veins.
Key wordsEcotypes Lead tolerance Moorland
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