Freshwater sponges (Porifera: Spongillidae) of Norway: distribution and ecology Karen Anna ØklandJan Økland OriginalPaper Pages: 1 - 30
Temperature-dependent energetics of Chaoborus populations: hypothesis for anomalous distributions in the great lakes of East Africa Kathleen M. HalatJohn T. Lehman OriginalPaper Pages: 31 - 36
Litter production in an Avicennia Gerrninans (L.) stearn forest in Guyana, South America Francis M. M. Chale OriginalPaper Pages: 47 - 53
Absorption of food in Heterotis niloticus (Cuvier) (pisces: osteoglossidae) from a small tropical man-made lake in Ibadan, Nigeria A. A. A. Ugwumba OriginalPaper Pages: 55 - 58
Macrophytic primary production and nutrient concentrations in a deltaic floodplain marsh of the Lower Paraná River Carlos A. VillarLaura de CabotCarlos A. Bonetto OriginalPaper Pages: 59 - 66
Mychophilus palmatus, a new species (Copepoda: Cyclopoida: Ascidicolidae) associated with the compound ascidian Botryllus leachi Savigny, with remarks on congeneric species and related genera Pablo J. López-GonzálezMercedes Conradi OriginalPaper Pages: 67 - 72
Lipid classes and fatty acid composition of rotifers (Brachionus plicatilis) fed two algal diets M. J. Fernández-ReirizU. Labarta OriginalPaper Pages: 73 - 79