1. Influences of land use and stream size on particulate and dissolved materials in a small Amazonian stream network

   • Suzanne M. Thomas
   • Christopher Neill
   • Reynaldo L. Victoria

   OriginalPaper Pages: 135 - 151

2. The effect of nutrient additions on the partitioning of nutrients in an experimental coastal Mediterranean system

   • Carlos M. Duarte
   • Anna Lucea
   • Morten Søndergaard

   OriginalPaper Pages: 153 - 167

3. The role of ammonia volatilization in controlling the natural ¹⁵N abundance of a grazed grassland

   • Douglas A. Frank
   • R. David Evans
   • Benjamin F. Tracy

   OriginalPaper Pages: 169 - 178

4. Chronic nitrate additions dramatically increase the export of carbon and nitrogen from northern hardwood ecosystems

   • Kurt S. Pregitzer
   • Donald R. Zak
   • Neil W. MacDonald

   OriginalPaper Pages: 179 - 197

5. Distinguishing sources of base cations in irrigated and natural soils: evidence from strontium isotopes

   • Graham P. Green
   • Erick A. Bestland
   • G. Stewart Walker

   OriginalPaper Pages: 199 - 225

6. Natural controls and human impacts on stream nutrient concentrations in a deforested region of the Brazilian Amazon basin

   • T.W. Biggs
   • T. Dunne
   • L.A. Martinelli

   OriginalPaper Pages: 227 - 257

7. Effects of land-use change on solute fluxes to floodplain lakes of the central Amazon

   • Michael R. Williams
   • Solange Filoso
   • Paul Lefebvre

   OriginalPaper Pages: 259 - 275