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  • Title: Mercury pollution in the lake sediments and catchment soils of anthropogenically-disturbed sites across England.
    Author: Yang H, Turner S, Rose NL.
    Journal: Environ Pollut; 2016 Dec; 219():1092-1101. PubMed ID: 27639616.
    Abstract:
    Sediment cores and soil samples were taken from nine lakes and their catchments across England with varying degrees of direct human disturbance. Mercury (Hg) analysis demonstrated a range of impacts, many from local sources, resulting from differing historical and contemporary site usage and management. Lakes located in industrially important areas showed clear evidence for early Hg pollution with concentrations in sediments reaching 400-1600 ng g-1 prior to the mid-19th century. Control of inputs resulting from local management practices and a greater than 90% reduction in UK Hg emissions since 1970 were reflected by reduced Hg pollution in some lakes. However, having been a sink for Hg deposition for centuries, polluted catchment soils are now the major Hg source for most lakes and consequently recovery from reduced Hg deposition is being delayed.
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