Experience with lake and reservoir restoration techniques in the German Democratic Republic Helmut Klapper OriginalPaper Pages: 31 - 41
Influence of phosphorus loads and of some limnological processes on the purity of lake water Zdzislaw Kajak OriginalPaper Pages: 43 - 50
Mineral impact of lakes as background for their biogenic dynamics Waldemar Ohle OriginalPaper Pages: 51 - 59
Aquatic Microbiology with Reference to Tannin Degradation A. MahadevanG. Muthukumar OriginalPaper Pages: 73 - 79
Classification of central amazon lakes on the basis of their microbiological and physico-chemical characteristics Hakugiat RaiGary Hill OriginalPaper Pages: 85 - 99
Comparative limnology of nine lakes of Jammu and Kashmir Himalayas D. P. ZutshiB. A. SublaAshwani Wanganeo OriginalPaper Pages: 101 - 112
Hydrobiological studies on the Ajwa reservoir, the source of raw water supply to the baroda water works Indira Jayangoudar OriginalPaper Pages: 113 - 123
A control mechanism of the phytoplankton respiration in a eutrophic reservoir Jürgen Benndorf OriginalPaper Pages: 125 - 129
The ecology of two species of primitive ciliated protozoa commonly found in standing freshwaters (Loxodes magnus stokes and L. striatus penard) R. Goulder OriginalPaper Pages: 131 - 158
Changes in the fauna of the stony substratum of lakes in the english lake district T. T. Macan OriginalPaper Pages: 159 - 164
Les crustaces copepodes d'afrique catalogue et biogeographie B. H. Dussart OriginalPaper Pages: 165 - 170
The effect of the method of supplementary feed application on the feeding habits of carp (Cyprinus carpio L.) with regard to natural food in ponds P. SpataruB. HepherA. Halevy OriginalPaper Pages: 171 - 178
Size-biased predation by the gila topminnow poeciliopsis occidentalis (Baird and Girard) Shelby D. GerkingDon V. Plantz Jr. OriginalPaper Pages: 179 - 191
Hydration of female spawners of carps during hypophysation V. R. P. Sinha OriginalPaper Pages: 193 - 196
Massive cultivation of microalgae: Results and prospects Carl J. Soeder OriginalPaper Pages: 197 - 209
Remarks on the present status of limnology in India based mainly on the Indian publications in hydrobiologia, and suggestions for future approach R. D. GulatiG. Würtz-Schulz OriginalPaper Pages: 211 - 222