Table 1.
Summary results for fish species richness, biomass, and abundance in the study area, including common indices of richness, effective species number, diversity, and evenness. Means refer to mean per sample event.
| Habitat type | Water type | Total species richness | Mean species richness | Species richness minus rare species | % rare | Rarefied species richness | Chao1 estimated species richness | Jost diversity | Simpson diversity | Pielou evenness | Total Biomass (kg) | Mean Biomass (kg) | Total Abundance (n fish) | Mean abundance (n fish) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| River margin | Blackwater | 91 | 20.6 | 75 | 21.3 | 62.2 | 122.6 | 17.7 | 0.88 | 0.64 | 45.8 | 3.81 | 4,098 | 223.3 |
| Clearwater | 96 | 17.5 | 71 | 35.2 | 77.7 | 121.4 | 21.4 | 0.88 | 0.67 | 31.3 | 2.61 | 1,739 | 144.9 | |
| Whitewater | 130 | 19.5 | 75 | 73.3 | 130.0 | 181.3 | 53.6 | 0.97 | 0.82 | 35.0 | 3.17 | 911 | 38.2 | |
| Total | 207 | 112.0 | 6,748 | |||||||||||
| Floodplain lake | Blackwater | 84 | 16.3 | 61 | 37.7 | 84.0 | 105.1 | 25.6 | 0.93 | 0.73 | 28.0 | 1.97 | 2,519 | 209.9 |
| Clearwater | 112 | 21.2 | 87 | 28.7 | 97.8 | 135.6 | 20.4 | 0.90 | 0.64 | 54.2 | 2.36 | 4,166 | 97.4 | |
| Whitewater | 172 | 43.9 | 117 | 47.0 | 123.9 | 194.9 | 33.8 | 0.94 | 0.68 | 136.5 | 11.38 | 8,965 | 533.8 | |
| Total | 255 | 218.8 | 15,650 | |||||||||||
| River margin & Floodplain lake | Blackwater | 128 | 28.75 | 105 | 21.9 | 124.6 | 186.1 | 30.1 | 0.93 | 0.70 | 73.8 | 4.80 | 6,617 | 328.3 |
| Clearwater | 149 | 28.10 | 122 | 22.1 | 149.0 | 190.0 | 29.3 | 0.93 | 0.68 | 85.6 | 3.79 | 5,905 | 193.6 | |
| Whitewater | 224 | 41.45 | 163 | 37.4 | 199.6 | 253.6 | 44.1 | 0.95 | 0.70 | 171.50 | 8.86 | 9,876 | 305.1 | |
| Total | 310 | 330.8 | 22,398 |
The highest values for each habitat type are reported in bold for emphasis (tied highest values in bold and italics).