1. Land use and nitrogen export in the Piracicaba River basin, Southeast Brazil

   • Solange Filoso
   • Luiz A. Martinelli
   • Plinio B. de Camargo

   OriginalPaper Pages: 275 - 294

2. Rates and regulation of microbial iron reduction in sediments of the Baltic-North Sea transition

   • Marlene Mark Jensen
   • Bo Thamdrup
   • Henrik Fossing

   OriginalPaper Pages: 295 - 317

3. Soil microbial activities in Luvisols and Anthrosols during 9 years of region-typical tillage and fertilisation practices in northern Germany

   • Oliver Dilly
   • Hans-Peter Blume
   • Jean Charles Munch

   OriginalPaper Pages: 319 - 339

4. The biogeochemistry of two forested catchments in the Black Forest and the eastern Ore Mountains (Germany)

   • Martin Armbruster
   • Mengistu Abiy
   • Karl-heinz Feger

   OriginalPaper Pages: 341 - 368

5. Relationship between hypolimnetic phosphorus and iron release from eleven lakes in Maine, USA

   • Aria Amirbahman
   • Andrea R. Pearce
   • J. Steven Kahl

   OriginalPaper Pages: 369 - 386

6. Instructions for Authors

   Instructions for Authors Pages: 387 - 395

7. Author Index Volume 65, 2003

   Authors Index Pages: 397 - 398

8. Contents Volume 65, 2003

   Volume Contents Pages: 399 - 400