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BO Assumptions that Hardwire FWS Views on Disputed Issues
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BO Assumptions that Hardwire FWS Views on Disputed Issues
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Last modified
1/26/2010 4:41:55 PM
Creation date
8/5/2009 11:48:34 AM
Metadata
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Template:
Water Supply Protection
File Number
8461.100
Description
Adaptive Management Workgroup
State
CO
Basin
South Platte
Water Division
1
Date
1/1/3000
Author
Unknown
Title
BO Assumptions that Hardwire FWS Views on Disputed Issues
Water Supply Pro - Doc Type
Report/Study
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T <br />? - --- <br />y , <br />The BO assumes the Program includes "substantial clearin.g and leveling of river islands." <br />[BO p. 317]. Specifically, the GC-2 Alternative assumes the conversion of wooded <br />islands to wetted c,hannel through leveling of islands and moving sand back into the river <br />channel at a rate of 50 acres per year throughout the term of the ls` Increment. This <br />aggressivi-, island leveling plan is the scenario portrayed in the DEIS that is considered fo- <br />control channel degradation, increase open view widths, aiid build sandbars. [DEIS pp. S- -52 to 5-5:3; 5-156, etc.] In fact, the sediment component of the Proposed Program <br />recognizes that much uncertainty exists about potential oultcomes with these sorts of <br />management activities and responds to concerns regarding potential undesired impacts on <br />adjoining lands. The Program's IlVIl2P thus embraces phased stair-stepped adaptive <br />management approach beginning with data gathering, furtller investigations of potential <br />management methods, development of testing a:pproaches, and implementation of small- <br />scale testing of management methods that, if suc;cessful in outcome, would be tested at a <br />progressively larger scale before adopted as a routine management activity for Program <br />lands. [ItL1RP, Att. 3, III.C., p. 10]. The Proposed Prograiri does not eommit to implement <br />the large-scale in-channel sediment management prescripLions in advance of them <br />"proving up." If they do not prove successful or have unacceptable negative effects, <br />alternative management activities and methods will be explored. <br />5. Restoration of natural riverine functions as a Program Objective. <br />The BO assumes development of a"scientific adaptive management framework" that <br />includes restoration of a semblance of natural riverine functions and processes (i.e., <br />sediment supply and transport, a more normalized flow regime, and floodplain <br />connectivity) as a specific Program objective. [I30 p. 317] <br />The June 14-15 Agreement specifically retainedl language that the creation, protection and <br />improverment of peak, pulse and other flows (aside from annual pulse flows) are not part <br />of the 1S` Increment water objective. It recogniz.ed that the Program would integrate its <br />land and water management activities with the ]MRP, Program Adaptive Manangement, <br />and system constraints to enable evaluation of these issues, and that FWS could use <br />Program water subject to its discretion to attempt to achieve a more normalized flow <br />regime given system constraints. 6. No consideration of hydrocycling. [BO p. 193] <br /> <br />7. No consideration of impacts to peaks under Future Depletions Plans. [BO p. 193] <br />Habitat "surrogates" for incidental take (discussed at the meeting between Colo/FWS on <br />August 26). <br />BO contains unacceptable findings of take exceedance coupled with reinitiation criteria <br />for increased frequency of inundating flows, reciuced frequency of 3-day high flows, net <br />-2-
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