1. Soil carbon pool structure and temperature sensitivity inferred using CO₂ and ¹³CO₂ incubation fluxes from five Hawaiian soils

   • ALAN R. TOWNSEND
   • PETER M. VITOUSEK
   • ANNE THARPE

   OriginalPaper Pages: 1 - 17

2. Assessment of soil calcium status in red spruce forests in the northeastern United States

   • GREGORY B. LAWRENCE
   • MARK B. DAVID
   • WALTER C. SHORTLE

   OriginalPaper Pages: 19 - 39

3. Concentrations and controls of dissolved organic matter in a constricted-channel region of the Ohio River

   • JOHN D. WEHR
   • SEAN P. LONERGAN
   • JAMES H. THORP

   OriginalPaper Pages: 41 - 65

4. Solute export from forested and partially deforested chatchments in the central Amazon

   • MICHAEL R. WILLIAMS
   • JOHN M. MELACK

   OriginalPaper Pages: 67 - 102