phytoplankton
were found which consisted of 16 Orders,
19 Families, 23 Genera, 28 Species (Table 1). When
the seasonal biodiversity of phytoplankton was
analyzed, it was found that in the month of April,
8 Phyla of phytoplankton were discovered which
consisted of 14 Orders, 17 Families, 20 Genera,
24 Species. In the month of August, 6 Phyla of
phytoplankton were found which consisted of 11
Orders, 12 Families, 14 Genera, 17 Species. And in
the month of December, 7 Phyla of phytoplankton
were discovered consisting of 14 Orders, 17
Families, 19 Genera, 23 Species. All phytoplankton
species found in the reservoir were acknowledged
as common species that can be found in standing
freshwater throughout Thailand [12].