1. Effects of periodic addition of lead on a marine protistan community

   • G. Fernandez-Leborans
   • A. Novillo

   OriginalPaper Pages: 191 - 205

2. Estimating fish length and age at 50% maturity using a logistic type model

   • Y. Chen
   • J. E. Paloheimo

   OriginalPaper Pages: 206 - 219

3. Nutrient, heavy metal and organic pollutant composition of suspended and bed sediments in the Rhone River

   • S. Santiago
   • R. L. Thomas
   • J. P. Vernet

   OriginalPaper Pages: 220 - 242

4. Spatial and temporal heterogeneity of Lake Lugano sediment composition

   • Cinzia Principi
   • Renato Baudo
   • Herbert Muntau

   OriginalPaper Pages: 243 - 262

5. Measurements and significance of bio-optical parameters for remote sensing in two subalpine lakes of different trophic state

   • J. M. Jaquet
   • F. Schanz
   • F. Gendre

   OriginalPaper Pages: 263 - 303