Silver and other metals in some aquatic bryophytes from streams in the lead mining district of Mid-Wales,Great Britain |
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| Authors: | K C Jones P J Peterson B E Davies |
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| Institution: | 1. Department of Biological Sciences, Chelsea College, University of London, Hortensia Road, SW10 OQR, London, England
2. Department of Geography, University College of Wales, Penglais, Aberystwyth, SY23 3DB, Dyfed, Wales
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| Abstract: | A reconnaissance survey was made of trace metals in surface waters and three aquatic bryophytes (Scapania undulata,Hygrohypnum luridum andPolytrichum commune) in the mid-Wales Ag-Pb mining district. This area is contaminated by heavy metals from past mining. Elevated levels of Ag, Cd, Cu, Pb, and Zn were found in water and plant tissue. All the plants accumulated Ag and the other metals butScapania appears the most suitable as a plant monitor of Ag-polluted waters. |
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