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<br />. <br /> <br />. <br /> <br />anticipated. However, information on distribution, abundance, life stages present, and <br />temporal use of the Duchesne River is needed to evaluate this role. <br />The purpose of this study was to investigate distribution and relative abundance of early <br />life-stage Colorado pikeminnow, razorback sucker, other native fishes, and nonnative fishes in <br />the lower 34.5 miles of the Duchesne River from 1997 - 1999, Specific objectives of this study <br />were to: 1) Document by field sampling the annual distributional and relative abundance of early <br />life-stage Colorado pikeminnow, razorback sucker, other native fishes, and nonnative fishes in <br />the lower 34.5 miles of the Duchesne River and 2) Determine relations among observed trends, <br />over the course of the study, in distribution and abundance of early life stages of Colorado <br />pikeminnow, razorback suckers, other native fishes, and nonnative fishes in the lower 34.5 miles <br />of the Duchesne River, and the annual and seasonal hydrograph. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />2 <br /> <br />. <br />