Editorial – a call for help; The Prespa Lakes – a call for help in a distressing situation OriginalPaper Pages: 3 - 4
The occurrence and behaviour of phosphate fractions in Izmir Bay, Aegean Sea N. BizselK. C. Bizsel OriginalPaper Pages: 5 - 18
Seasonal variation of nitrogen transformations in the pelagial of selected nearshore waters of the Baltic Sea with emphasis on the particulate pool Susen R. Estrum-YousefArne Schoor OriginalPaper Pages: 19 - 30
Entrapment of pollutants in Mediterranean sediments and biogeochemical indicators of their impact François E. FernexChristophe MigonJohn R. M. Chisholm OriginalPaper Pages: 31 - 46
Fractional phosphate composition in sediments from a tropical river (Catatumbo River, Venezuela) María Elena Romero-GonzálezErnesto ZambranoHilda Ledo de Medina OriginalPaper Pages: 47 - 55
Relation between phosphate and organic matter in fish-pond sediments of the Deroua fish farm (Béni-Mellal, Morocco): implications for pond management Jawad KassilaMustapha HasnaouiAhmed Yahyaoui OriginalPaper Pages: 57 - 70
Effects of EDTA, FeEDTA and soils on the phosphorus bioavailability for diatom and blue-green algal growth in oligotrophic waters studied by transplant biotests Øivind LøvstadTore Krogstad OriginalPaper Pages: 71 - 81
Multivariate analysis of heavy metal and nutrient concentrations in sediments of Taihu Lake, China* Qu WenchuanMike DickmanWang Sumin OriginalPaper Pages: 83 - 89
Vertical variations in kinetics of alkaline phosphatase and P species in sediments of a shallow Chinese eutrophic lake (Lake Donghu) Zhou YiyongLi JianqiuZhang Min OriginalPaper Pages: 91 - 98
Phosphate release from anoxic sediments or `What did Mortimer really write?' H. L. Golterman OriginalPaper Pages: 99 - 106
On the Cyprideis species flock (Crustacea, Ostracoda) in Lake Tanganyika, with the description of four new species Karel WoutersKoen Martens OriginalPaper Pages: 111 - 127
Four new species of Gomphocythere (Crustacea, Ostracoda) from Lake Tanganyika, East Africa Lisa E. ParkKoen Martens OriginalPaper Pages: 129 - 147
Useful characters in identifying copepods of the genus Ergasilus from plankton, with the description of male and female of E. sergipensis n. sp. Maria Auxiliadora Pinto da Motta AmadoCarlos Eduardo Falavigna da Rocha OriginalPaper Pages: 149 - 157
Littoral microcrustaceans (Cladocera and Copepoda) as indices of recovery of a limed water system Bjørn WalsengGunnar HalvorsenSvein-Erik Sloreid OriginalPaper Pages: 159 - 172
Morphological diversity of the resting eggs in the anostracan genus Chirocephalus (Crustacea, Branchiopoda) Graziella Mura OriginalPaper Pages: 173 - 185
Nutrient induced changes in the species composition of epiphytes on Cladophora glomerata Kütz. (Chlorophyta) Jane C. MarksMary E. Power OriginalPaper Pages: 187 - 196
Resolution of spatial patterns in three reservoirs with rapid profiling instrumentation Steven W. EfflerDavid M. O'Donnell OriginalPaper Pages: 197 - 208
Comparison of oxygen consumption in freshwater mussels (Unionidae) from different habitats during declining dissolved oxygen concentration Li-Yen ChenAlan G. HeathRichard J. Neves OriginalPaper Pages: 209 - 214
Diatoms and their relationship to environmental variables from lakes and ponds on Bathurst Island, Nunavut, Canadian High Arctic Darlene S. S. LimMarianne S. V. DouglasJohn P. Smol OriginalPaper Pages: 215 - 230
Some factors affecting size distribution and density of grass shrimp (Palaemonetes pugio) populations in two New Jersey estuaries Celine Santiago BassSuruchi BhanJudith S. Weis OriginalPaper Pages: 231 - 241