Influence of soil properties on the bioaccumulation and effects of arsenic in the earthworm Eisenia andrei

A. Romero Freire, F.J. Martin Peinado, M. Diez Ortiz, C.A.M. van Gestel

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    This study aimed at assessing the influence of soil properties on the uptake and toxicity effects of arsenic in the earthworm Eisenia andrei exposed for 4 weeks to seven natural soils spiked with different arsenic concentrations. Water-soluble soil concentrations (AsW) and internal As concentrations in the earthworms (AsE) were greatly different between soils. These two variables were highly correlated and were key factors in earthworm toxicity response. AsW was explained by some soil properties, such as the pH, calcium carbonate content, ionic strength, texture or oxide forms. Toxicity showed a clear variation between soils, in some cases without achieving 50 % adverse effect at the highest As concentration added (600 mg kg
    Original languageEnglish
    Pages (from-to)15016-15028
    JournalEnvironmental Science and Pollution Research International
    Volume22
    Issue number19
    DOIs
    Publication statusPublished - 2015

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