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<br />EXECUTIVE SUMMARY <br /> <br />The Little Snake River is the largest tributary of the Yampa River which is a <br />river of high priority for recovery of endangered fishes in the Upper Colorado River <br />Basin. The four endangered fishes include: humpback chub (Gila cypha), bony tail <br />(G. elegans), Colorado pikeminnow (Ptychocheilus lucius), and razorback sucker <br />(Xyrauchen texanus). The purpose of this document is to describe the fishery and <br />hydrology resources of the Little Snake River sub-basin that are important for the <br />conservation of endangered fishes of the Colorado River Basin. We identify data <br />deficiencies and outline a research plan to resolve uncertainties. The goal was to <br />develop a plan that defines the information necessary to protect, recover, or <br />restore the Little Snake River for endangered fishes following guidelines of the <br />Recovery Implementation Program, Recovery Action Plan (RIPRAP) that directs <br />recovery of endangered fishes in the Little Snake River in Colorado and Wyoming <br />in the context of basin-wide recovery actions. The role of the Little Snake River in <br />recovery of endangered fishes and necessary management actions will be <br />determined by the Management Plan for the Yampa River Basin. <br />The objectives were to: <br />1. Review and summarize hydrology and geomorphology information of <br />the Little Snake River. <br />2. Review and summarize fisheries information of the Little Snake River. <br />3. Identify missing information critical to managing the Little Snake River <br />for recovery of endangered fishes. <br />4. Develop a hierarchy to obtain missing information so that priorities <br />can be set.. <br />5. Develop a step-down Instream Flow Work Plan that lists actions <br />necessary to identify and protect Instream Flows for the recovery of <br />endangered fishes in the Upper Basin. <br /> <br />v <br />