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WSPC02460
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Last modified
1/26/2010 11:19:16 AM
Creation date
10/9/2006 3:23:51 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8240.300.31.J
Description
Colorado River Threatened-Endangered Species - Recovery Program - San Juan - Environmental Studies
State
CO
Basin
San Juan/Dolores
Water Division
5
Date
9/1/2000
Author
Biology Committee
Title
San Juan River Recovery Implementation Program Biology Committee - Program Evaluation Report - 7 Year Research Period 1991-1997 - 09-01-00
Water Supply Pro - Doc Type
Report/Study
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<br />001598 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Funding for the SJRIP primarily came from the Bureau and BIA, with additional funding from the <br />USFWS and some Indian Tribes, and from in-kind contributions of personnel time from all <br />involved agencies. The SJRIP used the policy of adaptive management to guide research and <br />monitoring activities throughout the 7-year research period. <br /> <br />The term "recovery" was used throughout the SJRIP documents, including this report, to mean <br />recovery of the San Juan River populations of the two endangered fish species. When the SJRIP <br />was initiated, a recovery plan for Colorado pikeminnow guided recovery activities throughout the <br />Colorado River Basin, and the SJRIP activities were designed to fit into that plan. A recovery plan <br />for razorback sucker was not complete at that time, so SJRIP activities were designed to be the <br />most logical forrecovery in the San Juan River. In late 1999 and early 2000, the USFWS (Denver) <br />initiated a project to develop recovery criteria for both Colorado pikeminnow and razorback sucker <br />at the species level, rather than at a given river basin level (i.e., San Juan River). Although still in <br />draft form, the documents (Valdez et al. 2000 a, 2000b) are providing population size criteria and <br />the number of populations needed for downlisting (from endangered to threatened) and delisting. <br />Therefore, the term "recovery" has a somewhat different meaning under this new activity, recovery <br />of the species. Throughout this document, "recovery" relates to the San Juan River populations <br />only, unless otherwise specified. It is the intent of the SJRIP to provide demographically and <br />genetically viable populations of Colorado pikeminnow and razorback sucker in the San Juan River <br />that will aid in recovery of the two species throughout their range. Demographically viable <br />populations are self-sustaining with natural recruitment and an appropriate size and age-structure. <br />Genetically viable populations are of sufficient size that inbreeding issues are not a concern. <br /> <br />DOCUMENT PURPOSE <br /> <br />The primary goals of the SJRIP studies were (I) to determine the factors that were limiting the <br />endangered and other native fishes and (2) to determine ways to reduce or eliminate the important ) <br />limitin factors in the San J . fi h s ecies could be recovered.~ <br />report synthesizes the results of the 7-year research period, identifies factors likely limiting <br />population size of the endangered and other native fishes, and defines future direction for the <br />SJRIP. A brief summary of various studies that were undertaken during the 7 -year research period <br />is provided in Chapter 2. Results of these studies are integrated in Chapter 3, which discusses how <br />well the research answered questions about limiting factors and recovery of the two endangered <br />fish species. Chapter 4 discusses accomplishments of the SJRIP, and Chapter 5 discusses the <br />SJRIP's future direction by emphasizing recovery needs. A revised LRP is being prepared <br />concurrently with this document, and it will guide the SJRIP into the future. <br /> <br />September 2000 <br /> <br />1 - 3 <br /> <br />Program Evaluation Report <br />
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