nearly significantp = 0.055
In SLG samples, Zn concentrations showed a nearly significant increase at 200–600 m compared to 0–200 m (8.99 vs. 7.38 mg·kg −1 f.m.; p = 0.055), while Cd levels were significantly lower at the greater distance (0.13 vs. 0.19 mg·kg −1 f.m.; p = 0.015).