A comparison of three methods of measuring phytoplankton biomass on a daily and seasonal basis Neil Billington OriginalPaper Pages: 1 - 15
On the presence of the genus Branchinecta Verrill, 1869 (Crustacea, Anostraca) in Yugoslavia Swetozar Petkovski OriginalPaper Pages: 17 - 27
A new species of Halicyclops (Copepoda, Cyclopidae) from California, and a revision of some Halicyclops material in the collections of the US Museum of Natural History Carlos Eduardo Falavigna da Rocha OriginalPaper Pages: 29 - 37
Trace element concentrations of oligochaetes and relations to sediment characteristics in the reservoir at Altenwörth/Austria M. SagerR. Pucsko OriginalPaper Pages: 39 - 49
Eutrophication processes regulated by a plunging river inflow Warwick F. VincentMax M. GibbsRobert H. Spigel OriginalPaper Pages: 51 - 63