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<br />Table 67 <br />Density, Percent Relative Abundance, Diversity and Equitability <br />of Aquatic Macroinvertebrates Collected from Lower <br />Fish Creek, July 5, 1979 <br />V <br />i <br />N <br />W <br />N <br /> Surber _ Ekman <br /> <br />TAXA <br />Rep 1 <br />Rep <br />2 X <br />%RA <br />Rep 1 Rep 2 _ <br />X <br />%RA <br />Annelids <br />Tubificidae 2 1.0 3.5 18 6 12.0 63.2 <br />Molluscs <br />Pelecypoda 2 1.0 5.3 <br />Ephemeroptera <br />Parameletus sp. 2 1 1.5 5.3 <br />Siphlonurus sp. 2 1.0 5.3 <br />Heptagenia sp. 33 1 17.0 59.6 <br />Tricorythodes sp. 6 3 4.5 15.8 <br />Caenis sp. 2. 1.0 5.3 <br />Diptera <br />Glyptotendipes sp. 4 2.0 10.5 <br />Microtendipes sp. 1 0.5 1.8 4 2.0 10.5 <br />Unidentified Chironomidae 1 3 2.0 7.0 <br />Unidentified Orthocladiinae 1 1 1.0 3.5 <br />Cardiocladius sp. 1 0.5 1.8 <br />Simuliidae 1 0.5 1.8 <br /> 100.1 100.1 <br />No. of Taxa = 9 = 6 <br />Density, X(Iklft2) = 28.5 = 19.0 <br />Diversity (d) = 2.00 - 1.77 <br />Maximum diversity (dmax) = 3.17 = 2.58 <br />Equitability (E) = 63.21 = 68.60 <br />