1. Kinetics of nitrogen and phosphorus release in varying food supplies byDaphnia magna

   • D. Scavia
   • W. S. Gardner

   OriginalPaper Pages: 105 - 111

2. Vertical profiles of primary productivity, biomass and physico-chemical properties in meromictic Big Soda Lake, Nevada, U.S.A.

   • J. C. Priscu
   • R. P. Axler
   • C. R. Goldman

   OriginalPaper Pages: 113 - 120

3. Toxicity of chromium to the marine planktonic copepodAcartia clausi, Giesbrecht

   • M. Moraïtou-Apostolopoulou
   • G. Verriopoulos

   OriginalPaper Pages: 121 - 127

4. Oxygen consumption and ammonia excretion of herbivorous chironomid larvae in Lake Balaton

   • István Tátrai

   OriginalPaper Pages: 129 - 135

5. The effect of environmental factors on the activity ofGammarus pseudolimnaeus (Amphipoda)

   • D. Dudley Williams
   • Kathryn A. Moore

   OriginalPaper Pages: 137 - 147

6. The influence of highway construction on the macroinvertebrates and epilithic algae of a high mountain stream

   • Leo D. Cline
   • Robert A. Short
   • James V. Ward

   OriginalPaper Pages: 149 - 159

7. Spring migration of some anadromous freshwater fish species in the northern Bothnian Sea

   • K. Müller
   • E. Berg

   OriginalPaper Pages: 161 - 168

8. Population responses of plant-associated invertebrates to foraging by largemouth bass fry (Micropterus salmoides)

   • G. Winfield Fairchild

   OriginalPaper Pages: 169 - 176

9. Effects of sediment releases from a reservoir on stream macroinvertebrates

   • Lawrence J. Gray
   • James V. Ward

   OriginalPaper Pages: 177 - 184

10. Factors influencing the longitudinal distribution of larval Hydropsychidae (Trichoptera) in a southern Appalachian stream system (U.S.A.)

    • Douglas H. Ross
    • J. Bruce Wallace

    OriginalPaper Pages: 185 - 199