Seasonal fluctuation of planktonic rotifers in Azibo reservoir (Portugal) Vitor Manuel Vasconcelos OriginalPaper Pages: 177 - 184
Effects of land use on water quality and aquatic biota of three North Carolina Piedmont streams David R. LenatJ. Kent Crawford OriginalPaper Pages: 185 - 199
Studies of Australian cladoceran fauna: 1. The male and parthenogenetic female of Daphniopsis queenslandensis Sergeev, 1990 (Anomopoda: Daphniidae) V. Sergeev OriginalPaper Pages: 201 - 206
Effects of river sediment elutriates on Daphnia magna Ilkka Kortelainen OriginalPaper Pages: 207 - 213
Sublethal malathion induced changes in the ovary of an air-breathing fish, Heteropneustes fossilis: a histological study H. M. DuttaA. NathJ. S. Datta Munshi OriginalPaper Pages: 215 - 218
The effects of an abandoned roast yard on the fish and macroinvertebrate communities of surrounding beaver ponds J. E. RutherfordR. J. Mellow OriginalPaper Pages: 219 - 228
Ecological organization and succession during natural recolonization of a tropical pond Daniel GuiralRobert ArfiLucien Saint-Jean OriginalPaper Pages: 229 - 242
Fish diversity and community structure in two small tributaries of the ParanĂ¡ River, ParanĂ¡ State, Brazil T. PenczakA. A. AgostinhoE. K. Okada OriginalPaper Pages: 243 - 251
The relation between the feeding activity of wintering shovelers (Anas clypeata) and the horizontal distribution of zooplankton in Lake Teganuma, Japan Takeshi MatsubaraFumio SugimoriKanji Aoyama OriginalPaper Pages: 253 - 261