1. Annual nitrous oxide flux and soil nitrogen characteristics in sagebrush steppe ecosystems

   • Pamela A. Matson
   • Carol Volkmann
   • William A. Reiners

   OriginalPaper Pages: 1 - 12

2. Spatial changes in forest floor and foliar chemistry of spruce-fir forests across New England

   • S. G. McNulty
   • J. D. Aber
   • R. D. Boone

   OriginalPaper Pages: 13 - 29

3. Nitrogen deposition, distribution and cycling in a subalpine spruce-fir forest in the Adirondacks, New York, USA

   • Andrew J. Friedland
   • Eric K. Miller
   • James F. Thorne

   OriginalPaper Pages: 31 - 55

4. Temporal and spatial variability of reduced sulfur species (FeS₂, S₂O₃ ²⁻) and porewater parameters in salt marsh sediments

   • George W. Luther III
   • Timothy G. Ferdelman
   • Thomas M. Church

   OriginalPaper Pages: 57 - 88