1. Spatial and temporal patterns of nitrogen concentrations in pristine and agriculturally-influenced prairie streams

   • Melody J. Kemp
   • Walter K. Dodds

   OriginalPaper Pages: 125 - 141

2. Suppression of peatland methane emission by cumulative sulfate deposition in simulated acid rain

   • Nancy B. Dise
   • Elon S. Verry

   OriginalPaper Pages: 143 - 160

3. Phosphorus cycling in a Mexican tropical dry forest ecosystem

   • Julio Campo
   • Manuel Maass
   • José Sarukhán

   OriginalPaper Pages: 161 - 179

4. Dynamics of mercury and methylmercury in forest floor and runoff of a forested watershed in Central Europe

   • David Schwesig
   • Egbert Matzner

   OriginalPaper Pages: 181 - 200

5. Microbial biomass and nitrogen cycling responses to fertilization and litter removal in young northern hardwood forests

   • Melany C. Fisk
   • Timothy J. Fahey

   OriginalPaper Pages: 201 - 223