1. Phosphate exchange across the sediment-water interface when shifting from anoxic to oxic conditions an experimental comparison of freshwater and brackish-marine systems

   • Anneli Gunnars
   • Sven Blomqvist

   OriginalPaper Pages: 203 - 226

2. Methane flux from Missippi River deltaic plain wetlands

   • DOUGLAS P. ALFORD
   • RONALD D. DELAUNE
   • CHARLES W. LINDAU

   OriginalPaper Pages: 227 - 236

3. Marine nitrogen: Phosphorus stoichiometry and the global N:P cycle

   • JOHN A. DOWNING

   OriginalPaper Pages: 237 - 252

4. Localization of sulfate reduction in planted and unplanted rice field soil

   • THORSTEN WIND
   • RALF CONRAD

   OriginalPaper Pages: 253 - 278