Research Article
Benthic Macroinvertebrates Diversity as Bioindicator of Water Quality of Some Rivers in East Kalimantan, Indonesia
Table 3
Important value index (IVI) of benthic macroinvertebrate.
| | Species | Important Value Index (%) | | December 15 | June 16 | | Karang Mumus | Jembayan | Pampang | Karang Mumus | Jembayan | Pampang |
| | Chironomus sp. | 97.33 | 26.49 | 13.58 | 48.62 | 13.91 | 17.25 |
| | Melanoides tuberculata | 44.07 | 50.06 | 13.39 | 68.32 | 42.26 | 4.57 |
| | Acentrella parvula | 17.57 | 27.19 | 8.01 | 7.30 | 25.31 | 57.38 |
| | Thiara scabra | 14.50 | 0.00 | 0.00 | 7.77 | 0.00 | 0.00 |
| | Gomphus sp. | 13.88 | 0.00 | 0.00 | 6.59 | 0.00 | 12.01 |
| | Brotia testudinaria | 12.65 | 0.00 | 8.20 | 7.77 | 11.57 | 0.00 |
| | Macrobrachium sp. | 0.00 | 33.86 | 0.00 | 6.59 | 12.06 | 0.00 |
| | Aeshna sp. | 0.00 | 14.99 | 0.00 | 0.00 | 0.00 | 0.00 |
| | Lestes sp. | 0.00 | 13.34 | 8.39 | 0.00 | 14.83 | 12.84 |
| | Ceriagrion tenellum | 0.00 | 7.61 | 3.62 | 0.00 | 0.00 | 0.00 |
| | Coenagrion sp. | 0.00 | 7.38 | 29.13 | 0.00 | 0.00 | 13.86 |
| | Parathelphusa pantherina | 0.00 | 6.67 | 0.00 | 6.59 | 3.25 | 0.00 |
| | Culex sp. | 0.00 | 5.73 | 0.00 | 0.00 | 0.00 | 0.00 |
| | Calopteryx damselfly | 0.00 | 0.00 | 9.35 | 0.00 | 0.00 | 8.52 |
| | Melanoides sp.1 | 0.00 | 0.00 | 9.16 | 0.00 | 0.00 | 0.00 |
| | Melanoides sp.3 | 0.00 | 0.00 | 8.01 | 0.00 | 0.00 | 0.00 |
| | Libellula sp. | 0.00 | 0.00 | 8.01 | 0.00 | 3.25 | 3.80 |
| | Tanypus sp. | 0.00 | 0.00 | 7.81 | 0.00 | 6.65 | 0.00 |
| | Plexippus sp. | 0.00 | 0.00 | 7.62 | 0.00 | 0.00 | 0.00 |
| | Corbicula sp. | 0.00 | 0.00 | 6.85 | 0.00 | 0.00 | 0.00 |
| | Macrodiplax balteata | 0.00 | 0.00 | 4.39 | 0.00 | 3.10 | 0.00 |
| | Melanoides sp.2 | 0.00 | 0.00 | 4.39 | 0.00 | 0.00 | 0.00 |
| | Trichoceridae | 0.00 | 0.00 | 4.20 | 0.00 | 0.00 | 0.00 |
| | Oxycerini sp. | 0.00 | 0.00 | 3.81 | 0.00 | 0.00 | 0.00 |
| | Caenis sp. | 0.00 | 0.00 | 3.81 | 0.00 | 0.00 | 0.00 |
| | Baetis flavistriga | 0.00 | 0.00 | 3.62 | 7.77 | 21.92 | 26.36 |
| | Aphylla williamsoni | 0.00 | 0.00 | 3.43 | 0.00 | 0.00 | 0.00 |
| | Micrasema sp. | 0.00 | 0.00 | 3.43 | 0.00 | 0.00 | 0.00 |
| | Leucrocuta sp. | 0.00 | 0.00 | 3.43 | 0.00 | 0.00 | 0.00 |
| | Isoperla sp. | 0.00 | 0.00 | 3.43 | 0.00 | 0.00 | 0.00 |
| | Oligochaeta | 0.00 | 0.00 | 3.43 | 0.00 | 0.00 | 0.00 |
| | Hydrometridae | 0.00 | 0.00 | 3.23 | 0.00 | 0.00 | 0.00 |
| | Amphypsyche sp. | 0.00 | 0.00 | 3.23 | 0.00 | 0.00 | 0.00 |
| | Pila ampullacea | 0.00 | 0.00 | 0.00 | 6.83 | 0.00 | 0.00 |
| | Pila globosa | 0.00 | 0.00 | 0.00 | 6.36 | 3.40 | 0.00 |
| | Dryops | 0.00 | 0.00 | 0.00 | 6.36 | 0.00 | 3.64 |
| | Hemiptera (Cicadas) | 0.00 | 0.00 | 0.00 | 6.36 | 0.00 | 3.64 |
| | Eristalis tenax (Syrphidae) | 0.00 | 0.00 | 0.00 | 6.12 | 0.00 | 0.00 |
| | Tiara sp.1 | 0.00 | 0.00 | 0.00 | 0.00 | 11.28 | 0.00 |
| | Tiara scabra | 0.00 | 0.00 | 0.00 | 0.00 | 10.50 | 0.00 |
| | Nerita sp. | 0.00 | 0.00 | 0.00 | 0.00 | 3.56 | 0.00 |
| | (Undetermined Ephemeroptera sp.1) | 0.00 | 0.00 | 0.00 | 0.00 | 3.10 | 0.00 |
| | Baetisca sp. | 0.00 | 0.00 | 0.00 | 0.00 | 3.10 | 0.00 |
| | Trichoptera (Hydropsychidae) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 9.20 |
| | (Undetermined Ephemeroptera sp.2) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.35 |
| | Maladeraholosaricea | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.80 |
| | (Undetermined Ephemeroptera sp.3) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.49 |
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