The effect of the earthworm Lumbricus rubellus on the bioavailability of cadmium and lead to the springtail Folsomia candida in metal-polluted field soils

Masoud M. Ardestani*, Iwona Giska, Cornelis A.M. van Gestel

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

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Abstract

The bioavailability of metals can be influenced not only by soil properties but also by other species living at polluted sites. However, in laboratory experiments, usually only one test species is used to estimate bioavailability. In this study, a two-species approach was applied to assess the impact of the earthworm Lumbricus rubellus on the bioavailability of cadmium and lead to the springtail Folsomia candida using natural soils from a gradient of metal pollution. Earthworms were kept in half of the soil replicates for 4 weeks. Subsequently, the uptake and elimination kinetics of cadmium and lead in F. candida exposed for 21 days to the soils was determined. Earthworm activity affected soil properties but did not significantly affect metal uptake rate constants in springtails. The slightly higher uptake due to the presence of earthworms, which was consistent in all tested soils and for both metals, suggests that further research is needed on the role of species interactions in affecting metal bioavailability in soil.

Original languageEnglish
Pages (from-to)27816-27822
Number of pages7
JournalEnvironmental Science and Pollution Research
Volume26
Issue number27
Early online date24 Jul 2019
DOIs
Publication statusPublished - Sep 2019

Keywords

  • Collembola
  • Earthworms
  • Field soil
  • Metal bioavailability
  • Soil properties
  • Toxicokinetics

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