Evaluation of the polluted river Savinja with the help of macrophytes Danijel VrhovšekAndrej MartinčičMetka Kralj OriginalPaper Pages: 97 - 110
Phytoplankton of four rivers, the Tyne, Wear, Tees and Swale N. T. H. HolmesB. A. Whitton OriginalPaper Pages: 111 - 127
Nitrogen and phosphorus recycling in Lake Sammamish, a temperate mesotrophic lake Peter B. BirchDimitris E. Spyridakis OriginalPaper Pages: 129 - 138
Potential impact of size-selective planktivory on phosphorus release by zooplankton Steven M. Bartell OriginalPaper Pages: 139 - 145
Investigations into the occurrence of midge plagues in the vicinity of Harderwijk (Netherlands) D. M. Beattie OriginalPaper Pages: 147 - 159
The crustacean zooplankton of Mali (West Africa) Henri J. DumontJeannine PensaertIsa Van de Velde OriginalPaper Pages: 161 - 187
A portable pump sampler for lotic periphyton James A. HamalaScott W. DuncanDean W. Blinn OriginalPaper Pages: 189 - 191