1. Biogenic silica as an estimate of siliceous microfossil abundance in Great Lakes sediments

   • Daniel J. Conley

   OriginalPaper Pages: 161 - 179

2. Nutrient mobility in variable- and permanent-charge soils

   • Phillip Sollins
   • G. Ph Robertson
   • Goro Uehara

   OriginalPaper Pages: 181 - 199

3. Dimethylsulfide and methane thiol in sediment porewater of a Danish estuary

   • Jan Sørensen

   OriginalPaper Pages: 201 - 210

4. Arsenic speciation in marine interstitial water. The occurrence of organoarsenicals

   • K. J. Reimer
   • J. A. Thompson

   OriginalPaper Pages: 211 - 237

5. Calculation of microbial growth efficiency from¹⁵N immobilization

   • D. S. Schimel

   OriginalPaper Pages: 239 - 243