Summary
Close to a primary lead-zinc-cadmium smelter the standing crop of litter in woodlands was found to be elevated relative to more distant sites. The total litter accumulation is similar to that from contaminated sites reported by other authors but in this case the concentrations of heavy metals are considerably lower than those reported for other sites. Evidence is provided to support the hypothesis that within the woodlands studied, litter accumulation is not closely pH dependent, but is clearly related to both cadmium and zinc concentrations in litter. Litter accumulation occurs in certain particle size ranges and fractionation shows that the weight of accumulated litter in these size ranges is highly correlated to cadmium concentrations. These results are discussed in relation to the reported possible long term effects of metal contamination on decomposition processes and the possibility of adaptation to these adverse effects.
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Coughtrey, P.J., Jones, C.H., Martin, M.H. et al. Litter accumulation in woodlands contaminated by Pb, Zn, Cd and Cu. Oecologia 39, 51–60 (1979). https://doi.org/10.1007/BF00345996
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DOI: https://doi.org/10.1007/BF00345996