| white birch (betula papyrifera marshall) foliar litter decomposition in relation to trace metal atmospheric inputs at metal-contaminated and uncontaminated sites near sudbury, ontario and rouyn-noranda, quebec, canada. | decomposition of white birch (betula papyrifera marshall) foliar litter was examined at metal-contaminated and uncontaminated sites established along gradients of soil cu, ni, pb and zn concentrations near sudbury, ontario and rouyn-noranda, quebec. over an 18-month study period, a significantly lower rate of litter mass loss was observed at the sudbury contaminated site (s1) than at the uncontaminated site (s2). this result was not duplicated at corresponding sites (rn1, rn2) in rouyn-noranda, ... | 2004 | 14553996 |