Genetic polymorphism in two parthenogeneticArtemia populations from Northern Greece Theodore AbatzopoulosCostas TriantaphyllidisCostas Kastritsis OriginalPaper Pages: 73 - 80
Distribution and seasonal dynamics of Rhodophyta in the Preto River basin, southeastern Brazil Orlando Necchi Jr OriginalPaper Pages: 81 - 90
A simplified method for preparing rotifer trophi for scanning electron microscopy La-orsri SanoamuangJan C. McKenzie OriginalPaper Pages: 91 - 95
The macroinvertebrate fauna of water hyacinth fringes in the Sudd swamps (River Nile, southern Sudan) R. G. BaileyM. R. Litterick OriginalPaper Pages: 97 - 103
Seasonal pattern of ammonium (methylamine) uptake by phytoplankton in an oligotrophic lake Marolyn J. ParsonBruce C. Parker OriginalPaper Pages: 105 - 117
Variation in acid tolerance of certain freshwater crustaceans in different natural waters Geoffrey Fryer OriginalPaper Pages: 119 - 125
Physical and chemical effects of macrograzers and micrograzers on enclosed,in situ phytoplankton in a Newfoundland lake Sarah J. ThatcherCharles C. DavisGrant A. Gardner OriginalPaper Pages: 127 - 141