A method for observation and enumeration of epilithic algae directly on the surface of stones J. G. Jones OriginalPaper Pages: 1 - 8
Phytoplankton biomass and distribution in a shallow eutrophic lake (Lake George, Uganda) G. G. Ganf OriginalPaper Pages: 9 - 29
Factors affecting oxygen consumption in the woodlouse Porcellio scaber latr R. C. NewellW. WieserV. I. Pye OriginalPaper Pages: 31 - 51
Relations between algal populations and the pH of their media Z. DubinskyJ. Rotem OriginalPaper Pages: 53 - 60
The mating call of hybrids of the fire-bellied toad and yellow-bellied toad (Bombina bombina (L.), Bombina v. variegata (L.), discoglossidae, anura) Hans SchneiderHelga Eichelberg OriginalPaper Pages: 61 - 71
Experimentelle Beiträge zur Ökologie von Chironomus (Diptera) Jürg Fischer OriginalPaper Pages: 73 - 95