For both earthworm species,
the most significant weight losses were always observed following
incubation in polluted soil S1 (Fig. 1) and the mortality recorded in
this S1 soil was about 10.5%. After 14 days of exposure to increasing
concentrations of ITE, the L. terrestris biomass was significantly
reduced in S2 at concentrations C3 and C4 compared to the control
group and increased significantly for C1 and C2. In contrast, no
significant differences were found for worms incubated in the S3
soil, regardless of the pollutant concentration.