Abstract
Seasonal changes in the quantity and quality of phytoplankton were studied in six channel catfish culture ponds. Chlorophyll a concentrations were generally highest in the summer (averaging >200 μg 1−1) but the highest individual chlorophyll a value recorded (910 μg 1−1) occurred in the winter during a bloom of Dictyosphaerium pulchellum. On the average, green algae (Chlorophyta) and euglenoids (Euglenophyta) represented relatively constant proportions of the phytoplankton community seasonally (about 35 and 10%, respectively). In the summer and fall, blue-green algae (Cyanophyta) became abundant. Diatoms were relatively abundant at all times and constituted the majority of the community in the winter and spring.
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Tucker, C.S., Lloyd, S.W. Phytoplankton communities in channel catfish ponds. Hydrobiologia 112, 137–141 (1984). https://doi.org/10.1007/BF00006918
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DOI: https://doi.org/10.1007/BF00006918