Copepod post-embryonic durations: pattern, conformity, and predictability. The realities of isochronal and equiproportional development, and trends in the opepodid-naupliar duration ratio R. C. Hart OriginalPaper Pages: 175 - 206
Effects of eel (Anguilla anguilla L.) removals from selected sites of a stream on its subsequent densities Javier Lobon-CerviaYasmina BernatPedro A. Rincon OriginalPaper Pages: 207 - 216
Bacteria as a source of phosphorus for zooplankton Dag O. HessenTom Andersen OriginalPaper Pages: 217 - 223
The distribution of benthic invertebrates along a natural turbidity gradient in Lake Temiskaming, Ontario-Quebec Rossana M. SallenaveDavid R. Barton OriginalPaper Pages: 225 - 234
Mesocosm studies on the influence of phosphate enrichment on ammonium and nitrate flux in an oligotrophic lake Walter K. DoddsJohn C. Priscu OriginalPaper Pages: 235 - 243
Sampling performance of Ekman grabs — in situ observations and design improvements Sven Blomqvist OriginalPaper Pages: 245 - 254
Location of copper in larvae of Plectrocnemia conspersa (Curtis) (Trichoptera) exposed to elevated metal concentrations in a mine drainage stream S. T. DarlingtonA. M. Gower Erratum Pages: 255 - 257