Neodiaphanosoma a new genus of Sididae (Branchiopoda, Ctenopoda); with description of N. bergamini sp. n. and comments on N. volzi (Stingelin 1905) Juan César PaggiCarlos Eduardo Falavigna da Rocha OriginalPaper Pages: 5 - 19
Taxonomy and morphology of limnic microturbellarians (Plathelminthes) in Extremadura (Spain) C. NoreñaA. del CampoM. del Real OriginalPaper Pages: 21 - 28
First data on an Index of Biotic Integrity (IBI) based on fish assemblages for the assessment of the impact of deforestation in a tropical West African river system André Kamdem TohamGuy G. Teugels OriginalPaper Pages: 29 - 38
Microlaimidae (Microlaimoidea: Nematoda) from the Indian Ocean: description of nine new and known species Agnes W. MuthumbiMagda Vincx OriginalPaper Pages: 39 - 58
Seasonal and spatial changes in the sediment organic matter of a semi-enclosed marine system (W-Mediterranean Sea) A. PuscedduG. SaràA. Mazzola OriginalPaper Pages: 59 - 70
Environmental factors associated with the distribution of Simulium perflavum (Diptera: Simuliidae) among streams in Brazilian Amazonia Neusa HamadaJohn William McCreadie OriginalPaper Pages: 71 - 78
A generic index of diatom assemblages as bioindicator of pollution in the Keelung River of Taiwan Jiunn-Tzong Wu OriginalPaper Pages: 79 - 87
Rare earth elements and heavy metal distribution in estuarine sediments of east coast of India R. RameshA. L. RamanathanH. D. Holland OriginalPaper Pages: 89 - 99
Variation in rostral dentition and telson setation in a saltmarsh population of Palaemonetes varians (Leach) (Crustacea: Decapoda: Palaemonidae) S. De Grave OriginalPaper Pages: 101 - 108
Toxic algae and fish mortality in a brackish-water lake in Åland, SW Finland Tore LindholmPetra ÖhmanJussi Meriluoto OriginalPaper Pages: 109 - 120
Chironomid assemblage of a Lower-Rhône dike field: relationships between substratum and biodiversity Evelyne Franquet OriginalPaper Pages: 121 - 131
Three new species of Apheviderulix gen. nov. and proposal of Apheviderulicidae fam. nov. (Acari: Hydrachnidia: Eylaoidea) Reinhard GereckeIan M. SmithDavid R. Cook OriginalPaper Pages: 133 - 147
Evidence for an aquatic plant origin of ketones found in Taihu Lake sediments Qu WenchuanMike DickmanChen Jianfa OriginalPaper Pages: 149 - 154
Nematodes as indicators of pollution: a case study from the Swartkops River system, South Africa T. K. Gyedu-AbabioJ. P. FurstenbergA. Vanreusel OriginalPaper Pages: 155 - 169
Relationships between trematode infection and habitat depth in a freshwater snail, Semisulcospira libertina (Gould) Kazuko ShinagawaMisako UrabeMakoto Nagoshi OriginalPaper Pages: 171 - 178
Driftwood: an alternative habitat for macroinvertebrates in a large desert river G. Allen HadenDean W. BlinnKevin P. Wilson OriginalPaper Pages: 179 - 186
Trace metal concentrations in coastal marshes of the Lower Paraná River and the Río de la Plata Estuary C. VillarJ. StripeikisC. Bonetto OriginalPaper Pages: 187 - 195
Meiobenthic arthropod communities in new streams in Glacier Bay National Park, Alaska A. L. RobertsonA. M. Milner OriginalPaper Pages: 197 - 209
Relationships between metals and hyporheic invertebrate community structure in a river recovering from metals contamination S. Mark NelsonRichard A. Roline OriginalPaper Pages: 211 - 226
Periphyton biomass on Echinochloa polystachya (H.B.K.) Hitch. of a lake of the Lower Paraná River floodplain, Argentina Haydée Pizarro OriginalPaper Pages: 227 - 239
Modelling advective transport of Ulva lactuca (L) in the sheltered bay, Møllekrogen, Roskilde Fjord, Denmark Jørgen SalomonsenMogens FlindtClaus Johansen OriginalPaper Pages: 241 - 252
