At the beginning of July, filaments of A.ovalisporum accompanied by
Chroococcus minutus, Oocystis spp., Scenedesmus spp. and Peridiniopsis spp.
were again observed in the lake (Table II). In September-October, A.ovalisporum
was accompanied by Cyclotella polymorpha, Scenedesmus spp. and a low
abundance of Oocystis spp. and Peridiniopsis spp.
In 1995, the numbers of A.ovalisporum filaments at optimal depth varied
between 110 ml"1
in July and 562 ml"1
in September, corresponding to 16.0-68.4
m I"1