1. Distribution, diversity, life cycle and growth of a mayfly community in a prealpine stream system (Insecta, Ephemeroptera)

   • Christine Breitenmoser-Würsten
   • Michel Sartori

   OriginalPaper Pages: 85 - 101

2. Yeast diversity in a mesotrophic lake on the karstic plateau of Lagoa Santa, MG-Brazil

   • Carlos A. Rosa
   • Maria A. Resende
   • Sarah P. Franzot

   OriginalPaper Pages: 103 - 108

3. Effects of nutrient addition on phytoplankton in Lake Nakanuma, Japan

   • Tatsuo Miyazaki
   • Satoshi Miyashita

   OriginalPaper Pages: 109 - 116

4. The relationship between P, Fe and Mn uptakes by submersed rooted angiosperms

   • M. R. Rattray

   OriginalPaper Pages: 117 - 120

5. The reproductive and feeding biology of Schilbe intermedius Rüppell in the Okavango Delta, Botswana

   • G. S. Merron
   • B. Q. Mann

   OriginalPaper Pages: 121 - 129

6. Increased prey vulnerability as a result of prey-prey interactions

   • Frank Johansson

   OriginalPaper Pages: 131 - 137

7. Food preference of the trichopteran larva Anabolia nervosa from two streams with different food availability

   • Dean Jacobsen
   • Nikolai Friberg

   OriginalPaper Pages: 139 - 144

8. Fatty acid composition as a taxonomic characteristic for Microcystis and other coccoid cyanobacteria (blue-green alga) isolates

   • G. H. J. Krüger
   • Helene De Wet
   • A. J. H. Pieterse

   OriginalPaper Pages: 145 - 151

9. Effects of temperature and food level on growth and development of a planktonic water mite

   • Margaret I. Butler
   • Carolyn W. Burns

   OriginalPaper Pages: 153 - 165