Use of the electronic particle counter to investigate phosphorus on particles in streams A. B. Viner OriginalPaper Pages: 231 - 236
Cycle biologique de l'hirudinée rhynchobdelle Piscicola geometra L. Jean Malecha OriginalPaper Pages: 237 - 243
Influence des factuers externes sur l'activité reproductrice de l'hirudinée rhynchobdelle Piscicola geometra L. Jean Malecha OriginalPaper Pages: 245 - 254
Comparison of 1980 Lake Huron, Georgian Bay - North Channel surveillance data with historical data R. E. Kwiatkowski OriginalPaper Pages: 255 - 266
Phytoplankton primary production in a eutrophic cooling water pond Pertti V. ElorantaRiitta Salminen OriginalPaper Pages: 267 - 274
Limnology of a desertic terminal lake, Walker Lake, Nevada, U.S.A. James J. CooperDavid L. Koch OriginalPaper Pages: 275 - 292
Variation in polychlorinated biphenyl levels in common carp from a primarily agricultural drainage Wayne A. HubertEdward D. RicciJohn J. Richard OriginalPaper Pages: 293 - 297
Effects of pH on toxicity of As, Cr, Cu, Ni and Zn to Selenastrum capricornutum Printz C. J. MichnowiczT. E. Weaks OriginalPaper Pages: 299 - 305