Table 3. Benthic macroinvertebrate metrics determined for each stream reach
[EPT, Ephemeroptera-Plecoptera-Trichoptera]
Numbers
of taxa |
Percentages |
Indices |
Number of taxa | Percent EPT taxa | EPT taxa richness |
Number of filterers | Percent Chironomidae | Shannon-Weiner diversity index |
Number of gatherers | Percent Ephemeroptera | Hilsenhoff’s biotic index |
Number of predators | Percent Oligochaeta | Margelef’s richness index |
Number of scrapers | Percent Plecoptera | Pielou’s evenness index |
Number of shredders | Percent filterers | Simpson’s heterogeneity index |
Percent gatherers | ||
Percent predators | ||
Percent scrapers | ||
Percent shredders |