Etude écologique comparée des populations d'ostracodes dans deux étangs de pisciculture en haute Belgique D. Pierre OriginalPaper 01 December 1973 Pages: 273 - 284
Filamentous organisms in activated sludge Alena SladkáVlasta Ottová OriginalPaper 01 December 1973 Pages: 285 - 299
Migration of galaxias maculatus (Jenyns) (galaxiidae, pisces) in Valdivia Estuary, Chile Campos C. Hugo OriginalPaper 01 December 1973 Pages: 301 - 312
The limnology of a Thermal Lake: Lake Rotowhero, New Zealand: I. General description and water chemistry R. H. S. McCollD. J. Forsyth OriginalPaper 01 December 1973 Pages: 313 - 332
Diatom Succession and Interaction in Littoral Periphyton and Plankton S. D. BrownA. P. Austin OriginalPaper 01 December 1973 Pages: 333 - 356
Protease and Amylase in the digestive tract ofBarbus paludinosus Alan CocksonDavid Bourn OriginalPaper 01 December 1973 Pages: 357 - 363
Observations on a breeding pair of Tilapia rendalli rendalli Boulenger 1896 in an experimental tank at Lake Kariba Fisheries Research Institute D. H. S. Kenmuir OriginalPaper 01 December 1973 Pages: 365 - 370
Observations On Nuclear Division in vegetative hyphae of aquatic fungi Ram DayalThakur Ji OriginalPaper 01 December 1973 Pages: 371 - 379
Systematische und phylogenetische studie über die GattungenThienemanniola Kieffer undCorynocera Zetterstedt (Diptera, Chironomidae) Jens Lehmann OriginalPaper 01 December 1973 Pages: 381 - 414
Sound production by synodontis schall (Bloch-Schneider) Y. B. Abu-GideiriD. H. Nasr OriginalPaper 01 December 1973 Pages: 415 - 428
Food selection by Labeo Rohita (Ham.) and its feeding relationship with other major carps Rashid A. KhanA. Qayyum Siddiqui OriginalPaper 01 December 1973 Pages: 429 - 442
Observations on the incidence and seasonal fluctuations of certain crustacean larvae in the plankton of the South-West Coast of India K. Krishna PillayN. Balakrishnan Nair OriginalPaper 01 December 1973 Pages: 443 - 461
Some ecological effects of artificial circulation on a small eutrophic lake with particular emphasis on phytoplankton Robert C. Haynes OriginalPaper 01 December 1973 Pages: 463 - 504
An ecological study of the Ponggol Estuary in Singapore Chua Thia-Eng OriginalPaper 01 December 1973 Pages: 505 - 533
Diurnal variation in Sagar Lake, Sagar (India) I studies in the deep water area S. B. SaksenaA. D. Adoni OriginalPaper 01 December 1973 Pages: 535 - 543