1. Fe–Al–organic Colloids Control of Trace Elements in Peat Soil Solutions: Results of Ultrafiltration and Dialysis

   • O. S. Pokrovsky
   • B. Dupré
   • J. Schott

   OriginalPaper Pages: 241 - 278

2. Desert Potholes: Ephemeral Aquatic Microsystems

   • Marjorie A. Chan
   • Katrina Moser
   • Tim Graham

   OriginalPaper Pages: 279 - 302

3. Effects of Soil Composition on Zn Speciation in Drainage Waters from Agricultural Soils

   • Hanbin Xue
   • Phan Hong Nhat
   • Laura Sigg

   OriginalPaper Pages: 303 - 318

4. The Rate-equation for Biogenic Silica Dissolution in Seawater – New Hypotheses

   • Victor W. Truesdale
   • Jim E. Greenwood
   • Andrew Rendell

   OriginalPaper Pages: 319 - 343