Effects of some extrinsic factors on the respiratory metabolism of the freshwater leech, poecilobdella viridis (blanchard): desiccation and temperature R. NagabhushanamG. K. Kulkarni OriginalPaper Pages: 3 - 7
Seasonal reproductive cycle in the mussel, Lamellidens corrianus R. NagabhushanamA. L. Lohgaonker OriginalPaper Pages: 9 - 14
Some changes in biochemical composition with sex and size of the crab, Sesarma boulengeri calman R. C. SinhaH. K. Ahmed OriginalPaper Pages: 15 - 19
Oligotrophication and eutrophication tendencies in some dutch moorland pools, as reflected in their desmid flora Peter F. M. OeselRita KwakkesteinAnnemarie Verschoor OriginalPaper Pages: 21 - 31
Thermocyclops ouadanei n. sp. (crustacea: copepoda) from Mauretania (North-West Africa) I. Van De Velde OriginalPaper Pages: 33 - 37
The influence of water aeration by the phallus process on the Macrobenthic fauna (preliminary report) W. H. O. De Smet OriginalPaper Pages: 39 - 47
Agrégation et migration verticale du zooplancton dans de petits étangs peu profonds C. Wattiez OriginalPaper Pages: 49 - 67
Diel oxygen uptake in Chaoborus punctipennis (diptera : culicidae) Catherine F. SigmonAverett S. TombesLaurence Tilly OriginalPaper Pages: 69 - 73
The effect of temperature on the development time and brood size of diaptomus pallidus herrick David M. Kamps OriginalPaper Pages: 75 - 80
Some factors influencing the density of invertebrates near a sewage outfall James W. Moore OriginalPaper Pages: 81 - 93