Diatom Flora of the Grand River, Ontario, Canada M. R. SreenivasaH. C. Duthie OriginalPaper 01 August 1973 Pages: 161 - 224
Field and Experimental Studies on the Effects of a power station effluent on tubificidae (Oligochaeta, Annelida) R. J. Aston OriginalPaper 01 August 1973 Pages: 225 - 242
The ecology of the diatoms of the klip river, Southern Transvaal Florence D. Hancock OriginalPaper 01 August 1973 Pages: 243 - 284
Changes in species composition of phytoplankton due to enrichment by N, P, and Si of water from a North Florida Lake Walter A. GlooschenkoCarolyn Alvis OriginalPaper 01 August 1973 Pages: 285 - 294
Population dynamics of pond zooplankton, I. Diaptomus pallidus Herrick Kenneth B. ArmitageBhagwan SaxenaErnest E. Angino OriginalPaper 01 August 1973 Pages: 295 - 333
Byglandsfjorden. Primary production and other limnological features in an oligotrophic Norwegian lake Arne Lande OriginalPaper 01 August 1973 Pages: 335 - 344
Réponse des Larves de Perla burmeisteriana Claassen (Plecoptera) aux variations de la pression hydrostatique Ionel Miron OriginalPaper 01 August 1973 Pages: 345 - 354
Precence of β-Carotene and Xantophylls in two species of the genus Niphargus (Crustacea: Amphipoda) B. CzeczugaA. Skalski OriginalPaper 01 August 1973 Pages: 355 - 362