Water temperature: A factor in the seasonality of two freshwater sponge species, Ephydatia fluviatilis and Spongilla alba R. E. HarshaJ. C. FrancisM. A. Poirrier OriginalPaper Pages: 145 - 150
Experimental studies on egg production by Convoluta roscoffensis: Graff, 1882 (Turbellaria, Acoela) A. E. Douglas OriginalPaper Pages: 151 - 154
Production estimates of the benthic invertebrate community in a small Danish stream Erik MortensenJørn L. Simonsen OriginalPaper Pages: 155 - 162
Assimilation of E. coli cells by Daphnia magna on the whole organism level O. HadasU. BachrachB. Z. Cavari OriginalPaper Pages: 163 - 169
Variations spatiales et saisonnières de la structure de groupements macrobenthiques littoraux en climat froid B. Vincent OriginalPaper Pages: 175 - 186
Two different methods of evaluating nutrient limitations of periphyton bioassays, using water from the River Rhine and eight of its tributaries Ferdinand SchanzHeinz Juon OriginalPaper Pages: 187 - 195
Effects of artificial destratification on zoobenthos and on the trophic status of a Polish reservoir Sławomir Wielgosz OriginalPaper Pages: 197 - 203