found that Aporrectodea caliginosa decreases the mobility and bioavailability of Cu and Zn in soil through their burrowing activity. showed that Lumbricus terrestris decreased water soluble and Has but increased the solubility of Pb and Zn in soil, did not observed an influence of Dendrobaena veneta on the solubility of Cr, Cu, Ni, and Zn in soil.