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Table 8. Ichthyoplankton drifting densities (N/1,000 m3) by species in drift samples collected during 1982 <br />sampling in Dinosaur National Pfonument (river kilometer 27.4>0.0), Yampa River, Colorado. Size ranges are <br />cumulative for the entire sampling period. <br />Date 22 Aug 23 Aug 24 Aug 25 Aug 26 Aug <br />Sample volume (m3) 129 411 615 1,331 1,096 <br />River kilometer 54.6 54.6, 25.8 25.8, 14.5 14.5, 2.7 217 <br />x water temp., C 23 23 21 22 20 <br />Fish taxa (Total length, range in mm) <br />Gila spp. (13.5-32.5) 7 <br />Rhinichthys osculus (8.0-22.5) 7 <br />Notropis lutrensis (18.5) <br />N. stramineus (45.5) <br />Catostomus discobolus (17.5-27.5) <br />C. Iatipinnis (18.5-39.5) <br />Ictalurus punctatus (13.5-30.0) <br />Totals 14 <br />aLess than 0.5/1,000 m3 of water sampled. <br />58 <br />5 <br />3 <br />3 <br />3 <br />15 <br />87 <br />24 <br />11 <br />35 <br />23 <br />3 <br />1 <br />1 <br />2 <br />15 <br />45 <br />5 <br />2 <br />2 <br />13 <br />22 <br />Total <br />3,582 <br />54.6, 25.8, I4.5, 2.7 <br />22 <br />23 <br />3 <br />1 <br />a <br />1 <br />1 <br />11 <br />40 <br />.~ <br />