On the taxonomy of theDaphnia hyalina-galeata complex (Crustacea: Cladocera) Dietrich FlöβnerKarl Kraus OriginalPaper Pages: 97 - 115
Variation in diet of yellow perch (Perca flavescens) in a Quebec reservoir Francois ChabotEdward J. Maly OriginalPaper Pages: 117 - 124
Spring phytoplankton of 54 small lakes in southern Finland Lauri Arvola OriginalPaper Pages: 125 - 134
Effect of temperature on the filtration rate and percentage of assimilation ofSalpa fusiformis Cuvier (Tunicata: Thaliacea) Valérie Andersen OriginalPaper Pages: 135 - 140
The influence of invertebrates on the breakdown ofPotamogeton pectinatus L. in a coastal marina (Zandvlei, South Africa) B. A. ByrenB. R. Davies OriginalPaper Pages: 141 - 151
Massive upstream migrations by a tropical freshwater neritid snail Daniel W. SchneiderThomas M. Frost OriginalPaper Pages: 153 - 157
A study of spatial and temporal variability in the adenine nucleotides of lake phytoplankton during a diel cycle (Lac Pavin — France) Christian Amblard OriginalPaper Pages: 159 - 173
An assessment of the importance of water stress in seasonally floodedC. dactylon on the Pongolo River floodplain in the formulation of guidelines for controlled flooding H. D. FurnessC. M. Breen OriginalPaper Pages: 175 - 184
Habitat use among size groups of monomorphic whitefishCoregonus lavaretus Dag O. HessenJostein SkurdalDag Berge OriginalPaper Pages: 185 - 192