Table 5.
Spatial and seasonal diversity indices of benthic macroinvertebrates of Lagos Lagoon.
| Diversity indices parameter | Spatial |
Seasonal |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry season |
Rainy Season |
|||||||||||
| Site I | Site II | Site III | Site IV | Site I | Site II | Site III | Site IV | Site I | Site II | Site III | Site IV | |
| Taxa (d) | 25 | 23 | 23 | 25 | 25 | 21 | 23 | 23 | 24 | 22 | 23 | 22 |
| Individuals (S) | 256 | 195 | 235 | 252 | 144 | 99 | 115 | 125 | 112 | 136 | 104 | 149 |
| Dominance (D) | 0.07 | 0.06 | 0.07 | 0.07 | 0.07 | 0.09 | 0.06 | 0.06 | 0.08 | 0.06 | 0.07 | 0.08 |
| Simpson (1-D) | 0.93 | 0.94 | 0.93 | 0.94 | 0.93 | 0.91 | 0.94 | 0.94 | 0.92 | 0.94 | 0.93 | 0.92 |
| Shannon-weiner (H) | 2.94 | 2.03 | 2.88 | 2.90 | 2.91 | 2.74 | 2.90 | 2.93 | 2.82 | 2.17 | 2.81 | 2.75 |
| Evenness (E) | 0.75 | 0.82 | 0.77 | 0.73 | 0.73 | 0.74 | 0.79 | 0.82 | 0.70 | 0.85 | 0.72 | 0.71 |
| Margalef | 4.33 | 4.03 | 4.17 | 4.34 | 4.83 | 4.35 | 4.64 | 4.56 | 4.87 | 4.28 | 4.74 | 4.20 |