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<br />Relative contribution of taxon collected 06/10/94 in 1 riffle sample at station <br />CURRANT-I, Currant Creek, Colorado. Abundance data is number/m2 for quantitative <br />samples and number per sample for qualitative samples. ***.* = <0.1%. <br /> <br /> Cumulative <br />Taxon Abundance Percent Percent <br />Optioservus 280 50.3 50.3 <br />Orthocladiinae 72 12.9 63.2 <br />Baetis 32 5.8 69.0 <br />Hydropsyche 32 5.8 74.8 <br />Simulium 32 5.8 80.6 <br /> Five dominant taxa <br />Caloparyphus 29 5.2 85.8 <br />Ephemerella 25 4.5 90.3 <br />Simuliidae 11 1.9 92.3 <br />Glossosoma 11 1.9 94.2 <br />Chironomidae 7 1.3 95.5 <br /> Ten dominant taxa <br />Chelifera 7 1.3 96.8 <br />Hesperoperla 4 0.6 97.4 <br />Lumbrioulidae 4 0.6 98.1 <br />Onocosmoecus 4 0.6 98.7 <br />Physella 4 0.6 99.4 <br />Malenka 4 0.6 100.0 <br /> ------ ------ <br />~tal: 16 taxa 556 100.0 <br />