Rotifers from Saladillo river basin (Santa Fe province, Argentina) S. José de PaggilW. Koste OriginalPaper Pages: 3 - 11
Diel zooplankton community feeding activity and filtration rates of Pseudoboeckella volucris and Daphniopsis studeri on sub-antarctic Marion Island Andrew C. Jarvis OriginalPaper Pages: 13 - 21
Competition and the structure of hydropsychid guilds in southern Sweden Graham K. Gatley OriginalPaper Pages: 23 - 32
Spirobolbolaimus bathyalis, gen. nov., sp. nov. (Nematoda, Microlaimidae) from the Mediterranean (Calvi) K. SoetaertM. Vincx OriginalPaper Pages: 33 - 38
An integrated approach to hydropower impact assessment. I. Environmental features of some Norwegian hydro-electric lakes Bjørn Rørslett OriginalPaper Pages: 39 - 66
Deviations in the life-history of Gracilaria sp. (Rhodophyta, Gigartinales), from Coquimbo, Chile, under different culture conditions Estela M. PlastinoEurico C. de Oliveira F° OriginalPaper Pages: 67 - 74
Five new bogidiellid Amphipoda from Spain — the first freshwater records in the Iberian Peninsula Jan H. StockJos Notenboom OriginalPaper Pages: 75 - 95