ASSAYING THE IMPACT OF HEAVY METALS ON TERRESTRIAL ORGANISMS
FIGURE 13.26 (a) Growth of northern wheatgrass, Elymus lanceolatus, was reduced when grown on soils collected near a smelter in the vicinity Sudbury, Ontario, with high levels of heavy metals. (b) In addition, earthworms, Eisenia andrei, did not reproduce when living in those same soils. (Data from Feisthauer et al., 2006)