1. Anthropogenic N deposition and the fate of ¹⁵NO ₃ ⁻ in a northern hardwood ecosystem

   • Donald R. Zak
   • Kurt S. Pregitzer
   • Gregory P. Zogg

   OriginalPaper Pages: 143 - 157

2. Spectroscopic properties of sedimentary humic acids from a salt marsh (Ria de Aveiro, Portugal): comparison of sediments colonized by Halimione portulacoides (L.) Aellen and non-vegetated sediments

   • Ana Mendonça
   • Armando C. Duarte
   • Eduarda B.H. Santos

   OriginalPaper Pages: 159 - 174

3. Sediment nutrient accumulation and nutrient availability in two tidal freshwater marshes along the Mattaponi River, Virginia, USA

   • Jennifer L. Morse
   • J. Patrick Megonigal
   • Mark R. Walbridge

   OriginalPaper Pages: 175 - 206

4. Landscape- and field-scale control of spatial variation of soil properties in Mediterranean montane meadows

   • José María Rey Benayas
   • Manuel García Sánchez-Colomer
   • Adrián Escudero

   OriginalPaper Pages: 207 - 225

5. Microbial immobilization of cadmium released from CdO in the soil

   • Ewa Kurek
   • Jean-Marc Bollag

   OriginalPaper Pages: 227 - 239

6. N deposition, N transformation and N leaching in acid forest soils

   • J.H. Jussy
   • M. Colin-Belgrand
   • S. Bienaimé

   OriginalPaper Pages: 241 - 262

7. Photodegradation of DOC in a shallow prairie wetland: evidence from seasonal changes in DOC optical properties and chemical characteristics

   • Marley J. Waiser
   • Richard D. Robarts

   OriginalPaper Pages: 263 - 284