Between October and December 1960, more than 10 million cells of A. flos-aquae
per liter were recorded at an offshore station ("open lake") on the Ugandan part of Lake
Victoria (Talling, 1966). In our samples, the cell count of 800 million cells L-1 for the
Anabaena taxa was remarkable higher. However, this is attributable to our sampling close to
the shoreline