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' PHASE 2 <br /> <br /> <br /> <br /> <br />Expand the collection of razorback sucker life history <br />information on an experimental basis using controlled <br />environment experiments within the wetlands and river. An <br />augmentation plan may be needed. <br />Determine habitat use on seasonal basis, movements of <br />fish (telemetry), reproductive maturity, predation and <br />growth rates. <br />PHASE 3 <br />Re-establish the historic flooding regime by increasing <br />communication between the Preserve and the Colorado River. <br />Determine the practicability of alternatives to achieve a <br />naturally functioning flooded bottomland. Two alternatived <br />that could potentially be used include: 1) dam releases <br />under specific spring runoff conditions designed to mimic <br />natural high water regimes or 2) design a water delivery <br />system for the Preserve. The water delivery system may <br />include one of the following alternatives: <br />Construct an inlet at the northwest corner of the <br />Preserve to allow water to flow through at 30,000 cfs. <br />Deliver flows to wetlands via a system of inlet and <br />outlet structures and canals. <br />Construct seasonal overflow channels in the west <br />central area of the Preserve. <br />Create wetlands that could be drained to remove <br />predators, but which would also flood during high <br />water. <br /> <br />r <br /> <br /> <br /> <br />B. SUPPORT FACILITIES <br />Support facilities necessary in Phase one include a well, which <br />will be drilled near the north pond, a water delivery system, and <br />connection to nearby electrical powerlines. The exact location <br />of facilities has not been determined. Cost of these facilities <br />has not been determined. <br />Support facilities for Phase 2 and 3 will be determined as plans <br />are developed. <br />30 <br />