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In 1991-1993 phytoplankton was investigated in the Sulejów
Reservoir. In spring and autumn two peaks and additionally in summer 1992 one
peak of development were noted, characterized by average biomass values of 8.1 to
33.4 mg dm^-3. In general, diatoms prevailed, mainly Stephanodiscus hantzschii Grun.
and Melosira granulta (Ehr.). When their numbers fell the dominants were plant
flagellates...
In 1988-1990 phytoplankton was investigated in the Sulejów
Reservoir. Two developmental peaks were recorded: a spring and an autumn ones; each
of them was dominated by diatoms, which constituted 80.0 to 97.5% of total
phytoplankton abundance. In all months Siephanodiscus hantzschii Grun. was the
dominant species. The subdominants were phytoflagellates, whose intensive development
was observed...