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• <br /> <br /> <br />r <br />I <br /> <br />• <br />Table 3. Species List, mean density (numbers per m2), and diversity values of <br />benthic invertebrates collected from Foidel Creek, Routt County, <br />Colorado, 15 and 17 July 1981.1 <br />StationZ <br />Organism <br />Nematoda <br />Oligochaeta <br />Hirudinea <br />Glossiphoniidae <br />Glossiphona complanata <br />Amphipoda <br />Talitridae <br />Hyalella azteca <br />Decapoda <br />Astacidae <br />Orconectes sp. <br />Coleoptera <br />Hydrophilidae <br />Diptera <br />Chironomidae <br />pupae <br />Cera[opogonidae <br />Tipulidae <br />Anthiomyidae <br />Limnophora aeguifrons <br />Stratiomyidae <br />Stiatiomys sp. <br />Total Number Taxa <br />Total Number Organisms <br />D <br />Station No. 1 Station No. 2 S[atlon No. 5 <br />Pool Riffle Pool Riffle Pool Riffle <br />226 11 <br />830 1,056 2,931 <br />11 <br />22 <br />11 <br />86 <br />22 <br />32 485 44,828 <br /> 172 ' <br />388 65 <br />65 <br />11 <br />22 <br />10 - 5 - 3 - <br />1,629 - 1,628 - 48,017 - <br />2.03 - 1.21 - 0.35 - <br />1If no densities are presented under riffles, then riffle habitat was not available <br />for sampling and four pool samples were collected instead of two samples. <br />zStations 3 and 4 were dry. <br />16 <br />