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 |