Species of Aphanolaimus (Nematoda: Araeolaimida) from Belgium A. CoomansD. De Waele OriginalPaper Pages: 165 - 178
Effects of changes in discharge level on temperature and oxygen regimes in a new reservoir and downstream G. L. MackieJ. B. RookeJ. F. Gerrath OriginalPaper Pages: 179 - 187
Gas chromatographic determination of total amino acids and protein in sediments using the ninhydrin-CO2 reaction Bernard M. SimonJ. Gwynfryn Jones OriginalPaper Pages: 189 - 194
Chrysophycean cysts: indicators of eutrophication in the recent sediments of Frains Lake, Michigan, U.S.A. Heath J. CarneyCraig D. Sandgren OriginalPaper Pages: 195 - 202
Biology and distribution of the littoral rove beetle Psamathobledius punctatissimus (Le Conte) (Coleoptera: Staphylinidae) Charles L. GriffithsRoberta J. Griffiths OriginalPaper Pages: 203 - 214
Toxicité aiguë d'un fongicide dithiocarbamate, le thirame, chez des larves de l'ephémère Cloeon dipterum: effets de divers paramètres Jacqueline SeugéRoger Bluzat OriginalPaper Pages: 215 - 221
Nutrient and oxygen redistribution during destratification in the Elefsis Bay, an anoxic basin Nikolaos Friligos OriginalPaper Pages: 223 - 230
Seasonal changes in nutrients and dissolved oxygen in the Gulf of Nicoya, a tropical estuary on the Pacific coast of Central America C. E. EpifanioD. MaurerA. I. Dittel OriginalPaper Pages: 231 - 238
The effect of salinity on respiratory metabolism, survival and moulting in the first zoea of Macrobrachium amazonicum (Heller) (Crustacea, Palaemonidae) John C. McNamaraGloria S. MoreiraPlinio S. Moreira OriginalPaper Pages: 239 - 242
A battery operated incubator for in situ primary productivity studies in small lakes and rivers J. E. FuretK. Benson-EvansJ. E. Grey OriginalPaper Pages: 243 - 245
On temporal variation in the rotifer Keratella cochlearis (Gosse): the question of “Lauterborn-cycles” Wolfgang Hofmann OriginalPaper Pages: 247 - 254