... metals and other contaminants in field-collectedand laboratory-spiked soils, studies that validate laboratory responses are necessary. Furthermore,because soil pH and organic matter may affect ... Bernhard-Reversat, F., and Lavelle, P., Influence of heavymetals on C and N mineralisation and microbial biomass in Zn-, Pb-, Cu-, and Cd-contaminated soils,Appl. Soil Ecol., 25, 99–109, 2004.Dangles, ... 1992.Johnson, D. and Hale, B., White birch (Betula papyrifera Marshall) foliar litter decomposition in relation totrace metal atmospheric inputs at metal-contaminated and uncontaminated sites near Sudbury,...