Notes on the ecological similarities of Asellus aquaticus (L.) and A. meridianus Rac. (Crust., Isopoda) W. D. Williams OriginalPaper Pages: 1 - 30
Experiments on the suitability of broad beans (Vicia faba L.) as diet for fish H. M. Bishai OriginalPaper Pages: 31 - 39
Thermisch bedingte Horizontalzirkulationen, wasserchemismus und algenwucherungen an Zürichseeufern E. A. Thomas OriginalPaper Pages: 40 - 57
Recherches sur les Rotifères des eaux saumâtres VIII. Quelques Rotifères des Marismas espagnoles Marg. de Ridder OriginalPaper Pages: 92 - 109
The influence of bentonite and attapulgite on the aggregation of microorganisms and organic matter N. LahavS. Ehrlich OriginalPaper Pages: 110 - 113