1. Demographic parameters of Brachionus patulus Muller (Rotifera) exposed to sublethal DDT concentrations at low and high food levels

   • T. Ramakrishna Rao
   • S. S. S. Sarma

   OriginalPaper Pages: 193 - 200

2. Chemical limnology of two artificial lakes used for both stormwater management and recreation

   • Ian Rippey
   • Brian Rippey

   OriginalPaper Pages: 201 - 235

3. Confidence intervals for the similarity between algal communities

   • Eric P. Smith
   • Robert B. Genter
   • John Cairns Jr.

   OriginalPaper Pages: 237 - 245

4. New species of the genus Zygnemopsis (Zygnematales, Chlorophyceae) from India

   • Pranjit Sarma
   • Amarendra Nath Kargupta

   OriginalPaper Pages: 247 - 250

5. Effects of the lampricide, 3-trifluoromethyl-4-nitrophenol (TFM) on the macroinvertebrates of a hardwater river

   • R. J. Kolton
   • P. D. MacMahon
   • T. W. H. Beamish

   OriginalPaper Pages: 251 - 267

6. Description de trois espèces nouvelles d'Oligochètes aquatiques du Pays Basque (Espagne)

   • P. Rodriguez
   • N. Giani

   OriginalPaper Pages: 269 - 276

7. The effects of temperature and food on naupliar development, growth and metamorphosis in three species of Boeckella (Copepoda:Calanoida)

   • C. D. Jamieson

   OriginalPaper Pages: 277 - 286

8. Index to volume 139

   Legacy Pages: 287 - 288