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Table 9 Phytoplankton volumes (cells/ml) and zooplankton volumes (Ind./l) recorded during the period of study

From: Temporal changes in plankton diversity in relation to hydrographical characteristics at Perumal Lake, Cuddalore District, Tamil Nadu, India

Month (2018–2019)

Phytoplankton (cells/mL)

Zooplankton (Ind./L)

S 1

S 2

S 3

S 1

S 2

S 3

September 2018

18

22

30

15

30

18

October 2018

20

24

22

13

32

20

November 2018

16

18

20

12

30

18

December 2018

16

20

18

13

24

20

January 2019

13

19

16

12

18

16

February 2019

11

20

12

10

14

16

March 2019

14

26

24

14

22

18

April 2019

18

28

26

12

14

16

May 2019

16

32

30

10

18

20

June 2019

18

30

28

13

28

20

July 2019

20

34

30

12

32

24

August 2019

22

32

32

14

42

20

Mean value

16.83

25.42

24

12.5

25.33

18.83

Minimum

11

18

12

10

14

16

Maximum

22

34

32

15

42

24

SD

3.16

5.97

6.44

1.51

8.50

2.33