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WSP06858
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Last modified
1/26/2010 2:24:40 PM
Creation date
10/12/2006 1:55:12 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8240.300.02
Description
San Juan River Recovery Implementation Program - Recovery Plans & Information
Basin
San Juan/Dolores
Water Division
7
Date
9/30/1994
Author
San Juan Recovery Im
Title
Long Range Implementation Plan - San Juan River Recovery Implementation Plan
Water Supply Pro - Doc Type
Report/Study
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<br />a <br />;~ program and uses as its core the biological research set forth in <br />,~ the RPAs for ALP, NIIP, and BLM Biological opinions. <br />~ <br />~ 11) First the baseline must be identified--what is there and <br />~ what affects it. Second, possible recovery actions/scenarios <br />must be identified. Third, possible results/effects of <br />implementing such actions must be projected. Fourth, each action <br />must be implemented and the methods of evaluation developed. <br />Fifth, each implemented action must be evaluated. If at this <br />point the action is determined to have made a positive <br />contribution to the recovery of the endangered species, it is <br />anticipated that it will be continued. Evaluation will continue <br />even after an action is implemented and "accepted" as producing <br />the desired results. This is how the Seven Year Research Plan is <br />designed. The LRP is designed to acquire and evaluate <br />information to enable identification and selection of actions <br />that will contribute to recovery. There may be some actions that <br />could be implemented in the near future and such will be <br />recommended to the Coordination Committee. Any specific <br />suggestions should be brought to the attention of the Biology <br />Committee. As a matter of record, using Navajo Reservoir to <br />mimic natural flow regimes is a proactive management strategy. <br />Specific examples of management actions were not included because <br />we do not wish to convey the impression that such is an <br />exhaustive list. There may be actions that will prove beneficial <br />that have not been identified at this time (See Rewrite of <br />Section 4.7). The LRP is designed to provide the general <br />direction for efforts to recover the endangered fish species and <br />manage the native fish community. <br /> <br />12) Data are insufficient to say that such habitat is limiting. <br />Secondly, physical habitat modification would require site <br />specific habitat need and quality assessment for a 200+ mile <br />stretch of river. Work to accurately quantify habitats under a <br />variety of flow regimes is currently underway. Engineered <br />"solutions" to habitat problems are poor sUbstitutes, in most <br />situations, to allowing natural dynamics of the river to operate. <br />A flow related habitat management approach is self-perpetuating <br />while most engineered efforts require constant and longterm <br />maintenance. To recognize the importance of providing answers on <br />habitat limitations and potential actions to correct limitations, <br />the target dates for preliminary conclusions for 5.2.9.1 and <br />5.2.9.2 have been advanced one year. <br /> <br />13) The proposal to capture and rear naturally spawned larvae <br />has generally not proven feasible for a number of reasons: a) <br />low numbers of larvae captured, b) mortality of larvae captured, <br />cj mortality of larvae during transport to rearing facility, and <br />d) mortality at facility (specific rearing requirements are just <br />now being investigated). If Colorado squawfish are reproducing <br />but not recruiting, releasing larvae or YOY's, whatever their <br />source, will not contribute to recovery. Rather, the reason for <br /> <br />3 <br />
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