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Table 2 Macroinvertebrate metrics results calculated using data from the Procedure 51 (P 51) surveys in Indian Mill Creek (IMC), Michigan, USA (2017). EPT Ephemeroptera, Plecoptera, and Trichoptera macroinvertebrates; FBI Family Biotic Index; BC Brandywine Creek; WAD Walker Avenue Ditch

From: Relating environmental variables with aquatic community structure in an agricultural/urban coldwater stream

Site Mayfly richness Caddisfly richness EPT richness % Mayfly %
Caddisfly
% EPT % Air breathers %
Diptera
P 51 score FBI Total taxa richness Shannon diversity Pielou’s evenness
IMC1 0 2 2 0 3 3 7 15 −4 6.04 15 1.45 0.54
IMC2 0 0 0 0 0 0 45 5 −8 6.41 12 1.50 0.60
IMC3 1 1 2 1 6 7 8 10 −6 6.16 21 1.88 0.62
IMC4 2 1 3 3 2 5 2 5 −4 7.65 19 1.72 0.59
IMC5 2 2 4 1 10 11 4 4 −2 5.19 19 2.04 0.69
IMC6 1 1 2 1 2 3 3 3 −6 6.13 17 1.56 0.55
IMC7 1 1 2 10 20 30 1 14 −4 6.14 14 1.69 0.64
BC 1 1 2 4 1 4 78 10 −3 5.81 17 1.32 0.47
WAD 1 0 1 1 0 1 68 55 −5 7.61 19 1.80 0.61