Assessing the effects of FBC ash treatments of metal-contaminated soils using life history traits and metal bioaccumulation analysis of the earthworm Eisenia andrei.

作者: Fabien Grumiaux , Sylvain Demuynck , David Schikorski , Sébastien Lemière , Alain Leprêtre

DOI: 10.1016/J.CHEMOSPHERE.2010.01.018

关键词:

摘要: Earthworms (Eisenia andrei) were exposed, in controlled conditions, to metal-contaminated soils previously treated situ with two types of fluidized bed combustion ashes. Effects on this species determined by life history traits analysis. Metal immobilizing efficiency ashes was indicated metal bioaccumulation. Ashes-treated reduced worm mortality compared the untreated soil. However, these both cocoon hatching success and hatchlings numbers In addition, sulfo-calcical or delayed maturity lowered production silico-alumineous ones. demonstrated for Zn, Cu a lesser extent Pb. Only Cd bioaccumulation, although still bioconcentrated. Thus, ash additions may help metals, their use might result, depending chemical nature ashes, severe detrimental effects earthworm reproduction possible long term consequences populations.

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