Although this 55 ha site is now a natural reserve accessible to the public, from the 1850s to
the 1970s it was subjected to intense Cd-, Zn-, and Pb-bearing atmospheric fallout originating from adjacent zinc and lead smelters. A total mass of 250 kg of surface soil (0e14 cm) was obtained by composite sampling of a20*20 m area that was colonized by metal-tolerant plant
species