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<br />. <br /> <br />. <br /> <br />. <br /> <br />1.0 <br /> <br />INTRODUCTION <br /> <br />Background and Study Description <br /> <br />In 1989, the Colorado Legislature, through Senate Bill 85, authorized the Colorado Water <br />Conservation Board (CWCB) to prepare a study of the propagation in Colorado of <br />endangered fish of the Upper Colorado River Basin. The scope of the study was to review <br />available information on fish culture techniques!, investigate and evaluate potential sites <br />in Colorado for a fish hatchery facility, and to develop design concepts for an endangered <br />fishes hatchery. The four endangered species are the Colorado squawfish (Ptychocheilus <br />Lucius), humpback chub (Gila cypha), bonytail chub (Gila eLegans), and razorback sucker <br />(Xyrauchen texanus). <br /> <br />The study describes and references available information pertinent to fish culture, <br />propagation techniques and hatchery design for the four endangered fish species. This <br />information was assembled by reviewing available literature and contacting local, state and <br />federal experts in the field. As part of the study, a list of 33 sites in Colorado was <br />developed as being potentially feasible to locate a hatchery facility. These sites were <br />evaluated through a screening process, in which the sites were rated and ranked according <br />to criteria developed for the study. Finally, the study included the development of a <br />feasibility level design for the hatchery and support facilities. <br /> <br />The study addressed issues limited to biological, technical and engineering design concerns. <br />Economic, social, philosophical and political issues related to the propagation and <br />augmentation of endangered fish populations were not addressed and were considered <br />beyond the scope of this study. However, these issues should be considered in the final <br />decision process to determine the need and location for a hatchery facility. <br /> <br />The information contained in the study will aid the State of Colorado and the Recovery <br />Implementation Program for the Endangered Fishes of the Upper Colorado River Basin <br />(Recovery Program) in determining the need for such a facility, it's final location and design, <br />and construction and operation costs. This study is a unique undertaking, as such a facility <br /> <br />1 Culture techniques. a definition of this and other scientific terms used In this report are included In the Glossary ~ Terms <br />section of the report. <br /> <br />1.0 - 1 <br />