Biomass and productivity of the freshwater sponge Metania spinata (Carter, 1881) (Demospongiae: Metaniidae) in a Brazilian reservoir Maria da Graça G. MelãoOdete Rocha OriginalPaper Pages: 1 - 10
Headshields of ephippial Chydorus piger Sars (Cladocera, Chydoridae) females from northern Finnish Lapland: a long period of gamogenesis? Kaarina Sarmaja-Korjonen OriginalPaper Pages: 11 - 18
Asajirella gelatinosa in Panama: a bryozoan range extension in the Western Hemisphere (Ectoprocta: Phylactolaemata) Timothy S. WoodBeth Okamura OriginalPaper Pages: 19 - 23
The zooplankton communities of an artificially divided subtropical coastal estuarine–lake system in South Africa H.L. JerlingD.P. Cyrus OriginalPaper Pages: 25 - 35
Changes in chironomid assemblage composition in two Mediterranean mountain streams over a period of extreme hydrological conditions Peter H. LangtonJesús Casas OriginalPaper Pages: 37 - 49
Oxygen dependent habitat selection in surface and hyporheic environments by Gammarus roeseli Gervais (Crustacea, Amphipoda): experimental evidence K. S. HenryD. L. Danielopol OriginalPaper Pages: 51 - 60
Spatial and temporal distribution of benthic stages of Cyclops vicinus and Chaoborus flavicans in relation to abiotic factors and benthic fauna C. RabetteN. Lair OriginalPaper Pages: 61 - 72
Seasonality of macroalgae and epilithic diatoms in spring-fed streams in Texas, USA Alison R. SherwoodRobert G. Sheath OriginalPaper Pages: 73 - 82
Zooplankton food limitation and grazing impact in a eutrophic brackish-water tropical pond (Côte d'Ivoire, West Africa) Marc PaganoLucien Saint-JeanDaniel Guiral OriginalPaper Pages: 83 - 98
Temporal and altitudinal variations in the attached algae of mountain streams in Colorado Valentina V. VavilovaWilliam M. Jr. Lewis OriginalPaper Pages: 99 - 106
Biological evaluation of running waters in Korea, with special reference to bioassessment using the PFU system Pyung-Rim ChungKyu-Song ChoWeisong Feng OriginalPaper Pages: 107 - 115
Longitudinal organisation of the mollusc species in a theoretical French river J. Mouthon OriginalPaper Pages: 117 - 128
Environmental heterogeneity patterns and predictive models of chlorophyll a in a Brazilian coastal lagoon José Luiz AttaydeReinaldo Luiz Bozelli OriginalPaper Pages: 129 - 139
Analysing energy content: a new micro-assay and an assessment of the applicability of acid dichromate assays Louis A. GosselinPei-Yuan Qian OriginalPaper Pages: 141 - 151
Application of a bioenergetics model for analysis of growth and food consumption of subarctic whitefish Coregonus lavaretus (L.) in Lake Kilpisjärvi, Finnish Lapland A. Tolonen OriginalPaper Pages: 153 - 169
The late Cenozoic Viviparidae (Mollusca, Gastropoda) of the Albertine Rift Valley (Uganda—Congo) D. Van DammeM. Pickford OriginalPaper Pages: 171 - 217