Tidal stream development and its effect on the distribution of the American oyster Richard KeckDon MaurerLes Watling OriginalPaper Pages: 369 - 379
The distribution of Asellus aquaticus (L.) and Proasellus meridianus (Rac.) in the southwestern part of the Netherlands W. J. Wolff OriginalPaper Pages: 381 - 392
Selbstreinigung und Ciliatenbesiedlung in saurem Milieu (Modellversuche) Hartmut BickErika F. Drews OriginalPaper Pages: 393 - 402
Redescription of Mappates plataxus Rangnekar (Copepoda: Caligidae) M. Shahul HameedN. Krishna Pillai OriginalPaper Pages: 403 - 411
Observations on the sex characters of the timber-boring sphaeromids (Isopoda) of the Indian waters R. VenkatakrishnanN. Balakrishnan Nair OriginalPaper Pages: 413 - 427
Primary production of the periphyton in the littoral of the Danube Milan ErtlJozef Tomajka OriginalPaper Pages: 429 - 444
Effect of temperature variations on growth, reproduction, amino acid synthesis, fat and sugar content in ulva fasciata delile plants A. F. MohsenA. H. NasrA. M. Metwalli OriginalPaper Pages: 451 - 460
The oxygen consumption of mayfly (Ephemeroptera) and stonefly (Plecoptera) larvae at different oxygen concentration Bjorn Nagell OriginalPaper Pages: 461 - 489
Population dynamics of pond zooplankton II Daphnia ambigua Scourfield Ernest E. AnginoKenneth B. ArmitageBhagwan Saxena OriginalPaper Pages: 491 - 507
Nitrogen and phosphorus release from decaying water milfoil Dale S. NicholsDennis R. Keeney OriginalPaper Pages: 509 - 525
The biology of mysids acclimatized in the reservoirs of the Volga River N. D. BorodichF. K. Havlena OriginalPaper Pages: 527 - 539