1. The effect of sewage plant effluent on brown trout (Salmo trutta fario): a cage experiment

   • Matthias Escher
   • Thomas Wahli
   • Patricia Burkhardt-Holm

   Pages: 93 - 110

2. Spawning migrations, sexual maturity and sex steroid levels in female roach Rutilus rutilus from the River Meuse

   • Patrick Kestemont
   • Jacques Rinchard
   • Alexis Fostier

   Pages: 111 - 121

3. Epilithic ectoenzyme activity in a nutrient-rich Mediterranean river

   • Anna M. Romaní
   • Sergi Sabater

   Pages: 122 - 132

4. Identification of stoichiometric iron-phosphorus colloids produced in a eutrophic lake

   • Charles-Philippe Lienemann
   • Marc Monnerat
   • Didier Perret

   Pages: 133 - 149

5. Comparative analysis of lake plankton structure vs. function

   • Karl E. Havens

   Pages: 150 - 167

6. Primary production, sedimentation and resuspension in large shallow Lake Võrtsjärv

   • Peeter Nõges
   • Lea Tuvikene
   • Anu Kisand

   Pages: 168 - 182