Community features

Artificial lake of Ahozon

Artificial lake of Bewacodji

Aquatic vegetation

Open water

Total

Aquatic vegetation

Open water

Total

Number of families

2

4

4

3

3

4

Number of species

4

6

6

4

3

4

Abundance (Sample size)

1964

4542

6506

1086

1253

2339

Relative abundance (%)

30.19

69.81

100

46.43

53.57

100

Total weight (g)

11,414.53

132,498.58

143,913.11

8563

8260.7

16,823.7

Percentage weight (%)

7.93

92.07

100

50.90

49.10

100

Margalef index (d)

3.87

5.88

5.89

3.86

2.86

3.87

Shannon & weaver index (H’)

0.33

0.85

0.76

0.65

0.28

0.48

Evenness (J’)

0.24

0.47

0.43

0.47

0.25

0.35