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<br />e <br /> <br />Relative contribution of taxon collected 06/10/94 in 1 <br />31-MILE-1, 31 Mile Creek, Colorado. Abundance data is <br />samples and number per sample for qualitative samples. <br /> <br />e <br /> <br />riffle sample at station <br />number/m2 for quantitative <br />***.* = <0.1%. <br /> <br /> Cumulative <br />Taxon Abundance Percent Percent <br />Orthocladiinae 559 33.9 33.9 <br />Optioservus 425 25.8 59.7 <br />Glossosoma 253 15.4 75.1 <br />Tubificidae 191 11. 6 86.7 <br />Chironomidae 72 4.3 91.0 <br /> Five dominant taxa <br />Heptageniidae 33 2.0 93.0 <br />Isoperla 33 2.0 95.1 <br />Malenka 14 0.9 95.9 <br />Caloparyphus 14 0.9 96.8 <br />Hydroptila 10 0.6 97.4 <br /> Ten dominant taxa <br />Helichus 10 0.6 98.0 <br />Ceratopogonidae 5 0.3 98.3 <br />Baetis 5 0.3 98.6 <br />Dixa 5 0.3 98.8 <br />Hydracarina 5 0.3 99.1 <br />Physella 5 0.3 99.4 <br />Curculionidae 5 0.3 99.7 <br />Zaitzevia 5 0.3 100.0 <br /> ------ ------ <br />Total: 18 taxa 1649 100.0 <br />