Table 2.
Seasonal and order-wise fish species diversity indices found in Hakaluki Haor in 2008 and 2018.
| Season |
H′ (log 2) |
d |
J′ |
|||
|---|---|---|---|---|---|---|
| 2008 | 2018 | 2008 | 2018 | 2008 | 2018 | |
| Pre-monsoon | 3.812 | 3.418 | 6.4325 | 6.536 | 0.6449 | 0.5773 |
| Monsoon | 3.762 | 3.499 | 6.3752 | 6.551 | 0.631 | 0.5576 |
| Post-monsoon |
3.763 |
3.436 |
6.4365 |
6.679 |
0.6312 |
0.5401 |
|
Orders |
H′ (log 2) | d | J′ | |||
| 2008 |
2018 |
2008 |
2018 |
2008 |
2018 |
|
| Siluriformes | 3.472 | 3.285 | 6.182 | 6.222 | 0.9284 | 0.8106 |
| Perciformes | 3.482 | 3.226 | 6.170 | 6.2127 | 0.9349 | 0.7736 |
| Synbranchiformes | 2.999 | 2.636 | 5.7226 | 5.7879 | 0.9459 | 0.717 |
| Anabantiformes | 2.477 | 2.199 | 5.2849 | 5.3344 | 0.9317 | 0.7565 |
| Beloniformes | 2.988 | 2.576 | 5.7487 | 5.8342 | 0.9388 | 0.679 |
| Tetraodontiformes | 2.481 | 2.264 | 5.2649 | 5.3558 | 0.9347 | 0.7976 |
| Clupeiformes | 3.002 | 2.867 | 5.7584 | 5.7061 | 0.9476 | 0.3671 |
| Cyprinodontiformes | 3.490 | 3.439 | 6.2047 | 6.3903 | 0.9398 | 0.9082 |
| Osteoglossiformes | 2.942 | 2.949 | 5.7482 | 5.7191 | 0.9098 | 0.4489 |
| Cypriniformes | 3.465 | 3.207 | 6.1644 | 6.1962 | 0.9243 | 0.7614 |
| Anguilliformes | 2.525 | 2.146 | 5.2701 | 5.3547 | 0.9624 | 0.723 |
| Decapoda | 3.451 | 3.053 | 6.1619 | 6.2536 | 0.9155 | 0.6643 |
H′ - Shannon–Wiener index; d - Margalef's richness; J′ - Pielou's Evenness.