Gradient in seaweed vegetation patterns along the North Icelandic coast, related to hydrographic conditions Ivka M. Munda OriginalPaper Pages: 133 - 147
Influence of salinity on the rates of oxygen consumption in two species of freshwater fishes, Phoxinus erythrogaster (family Cyprinidae), and Fundulus catenatus (family Fundulidae) Conrad ToepferMichael Barton OriginalPaper Pages: 149 - 154
The reproductive biology of four African catfishes (Osteichthyes: Clariidae) in Anambra River basin, Nigeria H. M. G. Ezenwaji OriginalPaper Pages: 155 - 164
Shoreline algal wash as a factor in reed decline in Lake Constance-Untersee Wolfgang Ostendorp OriginalPaper Pages: 165 - 174
Factors controlling the concentration of particulate carbohydrates and amino acids in the Paraná River S. KempeP. J. Depetris OriginalPaper Pages: 175 - 183
Annual net production and life span of floating leaves in Nymphaea tetragona Georgi: a comparison with other floating-leaved macrophytes Hidenobu KuniiMinoru Aramaki OriginalPaper Pages: 185 - 193
The population density of perch, Perca fluviatilis L. in the Cikola backwater system of the river Danube, Hungary Gábor Guti OriginalPaper Pages: 195 - 198
