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Last modified
7/14/2009 5:02:29 PM
Creation date
5/20/2009 9:51:39 AM
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UCREFRP
UCREFRP Catalog Number
7273
Author
Prewitt, C. G., E. J. Wick and D. E. Snyder.
Title
Population and Habitat Monitoring Program for the Endangered Humpback Chub (
USFW Year
1978.
Copyright Material
NO
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Table 9, Total numbers and percentage composition of fishes collected at each trend zone sampling site (all <br />habitats combined) in the White River between Rio Flanrn Lake and County Road 65 Bridge, Colorado, <br />31 July through 2 August 1977. <br />Collection Sitea: A B C D E <br />F <br />G <br />If <br />Date (day): 1 1 31/2 1 2 1 1 2 <br />Time: 11-12 AM 1-2 PM 6-7 PM 2-3 PM 11-12 AM 4-5 PM 6-7 PM 1-3 PM <br /> 9-10 AM <br />Water Temperature (C): 18-23 19 21/16-17 19-21 18-22 24-30 24 22 <br />Habitats Sampled b: acf acf abc£ ace abc abce acef abcef <br />Length Group (mm TL) c: <_ 20 < 5 20 .c 20 < < 20 < < 20 c 20 5 20 -- <br />20 t <br />Total Fish Collected., 238 927 34 85 15 302 6 354 35 261 37 248 - 240 19 263 <br />2 Composition d: <br />Prosopium williamsoni - 1 - - - 1 - - - - - - _ _ _ _ <br />Cyprinus car io - - - 1 - 7 - * - - - 4 - 5 - - <br />Gila robusta 7 6 21 12 47 20 50 43 - 10 5 30 - 23 16 40 <br />Notropis lutrensis - - - 19 - 1 - 5 - 1 - 29 - 25 - 3 <br />Pimephales oromelas 3 2 - 4 - 4 - 8 - * 14 4 - 2 5 1 <br />Rhinichthys osculus 85 69 74 21 53 43 50 22 100 77 78 22 - 27 79 40 <br />Catostomus discobolus 5 16 6 12 - 7 - 5 - 1 - 3 - 1 - 3 <br />Catostomus latipinnis - 6 - 29 - 18 - 17 - 11 3 8 - 15 - 14 <br />Ictalurus punctatus - - _ - _ _ _ _ _ * _ - - - _ _ <br />Cottus bairdi _ _ _ 2 _ _ _ - - <br />a. See maps included in this report for location of collection sites. <br />b. Key to generalized habitat types: a- backwater, b- pool, c- shoreline, d- chute channel, e- riffle, f- run. <br />c. Larvae and juveniles less than or equal to 20 mm TL (-20) were probably spawned within about five weeks of <br />the date of collection. Specimens greater than 20 mm TL (20 -) include older larvae and young-of-the- <br />year juveniles as well as older juveniles and adults. <br />d. * - 0.5%; - - no specimens collected. <br />W <br />O
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