The effects of nutrient, pH and herbicide levels on algal growth B. TubeaK. HawxbyR. Mehta OriginalPaper Pages: 221 - 227
Primary production in three lakes of differing salinity in Victoria, Australia B. V. Timms OriginalPaper Pages: 233 - 238
Hydrostatic pressure as the controlling factor in the depth distribution of Eurasian watermilfoil, Myriophyllum spicatum L. H. M. Dale OriginalPaper Pages: 239 - 244
A continuous-flow system for growing fresh-water sponges in the laboratory Michael A. PoirrierJ. C. FrancisRonald A. LaBiche OriginalPaper Pages: 255 - 259
A device to measure in situ lotic benthic metabolism Lewis L. OsborneRonald W. Davies OriginalPaper Pages: 261 - 264
A numerical simulation of trichromatic equations in chlorophyll estimation using the spectrophotometric technique William Y. B. ChangRonald Rossmann OriginalPaper Pages: 265 - 270
Effects of stream-crossing by a pipeline on the benthic macroinvertebrate communities of a small mountain stream Philip T. P. TsuiPeter J. McCart OriginalPaper Pages: 271 - 276
High resolution vertical profiles of pH in recent sediments J. Berton FisherGerald Matisoff OriginalPaper Pages: 277 - 284