1. Al and Fe Biogeochemistry in a floodplain forest: Implications for P retention

   • Arlene K. Darke
   • Mark R. Walbridge

   OriginalPaper Pages: 1 - 32

2. Soil carbon cycling in a temperate forest: radiocarbon-based estimates of residence times, sequestration rates and partitioning of fluxes

   • Julia B. Gaudinski
   • Susan E. Trumbore
   • Shuhui Zheng

   OriginalPaper Pages: 33 - 69

3. Methane emissions from an Amazon floodplain lake: Enhanced release during episodic mixing and during falling water

   • Diana Engle
   • John M. Melack

   OriginalPaper Pages: 71 - 90

4. CH4 emission from a hollow-ridge complex in a raised bog: The role of CH4 production and oxidation

   • Peter Frenzel
   • Edger Karofeld

   OriginalPaper Pages: 91 - 112