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Dissolved Oxygen <br />Dissolved oxygen measured over radio - tagged pallid sturgeon on the Yellowstone and <br />Missouri Rivers in Montana and North Dakota ranged from 7.0 to 12.0 mg /L with a mean <br />level of 8.7 mg/L (Bramblett 1996). <br />Dissolved oxygen over the wild caught radio - tagged pallid sturgeon on the lower Platte <br />River was measured and recorded from May 2001 through June 2001, and ranged from <br />7.54 to 8.75 mg/L (Peters et al. 2001). <br />Conductivity <br />Mean conductivity over radio - tagged pallid sturgeon on the Yellowstone and Missouri <br />Rivers in Montana and North Dakota was 526 micromhos, with a minimum of 67 and a <br />maximum of 880 micromhos (Bramblett 1996). <br />Conductivity over the wild caught radio - tagged pallid sturgeon on the lower Platte River <br />was measured and recorded from May 2001 through June 2001, and ranged from 386.4 to <br />607.0 gS /cm (Peters et al. 2001). <br />Pallid Sturgeon Movements <br />In Lake Sharpe, South Dakota using sonic telemetry Erickson (1992) found that pallid <br />sturgeon movement was greater at night and was positively correlated with water <br />temperatures and discharge, and larger fish moved more than smaller fish (in Bramblett <br />1996). Pallid sturgeons were captured below Fort Peck dam on the Missouri River. <br />Using radio telemetry researchers determined that one pallid sturgeon moved 272 km <br />downstream and the other moved 72 km downstream from the Fort Peck tailrace from <br />March to mid -June (Bramblett 1996). <br />After release into the Platte River, most radio - tagged pallid sturgeons moved slightly <br />downstream to remain between the release site and the mouth of the Platte River (Snook <br />and Peters 2000). Tracking data suggests that some sturgeon released into the Platte River <br />moved out into the Missouri River during the winter, and some individuals were found <br />returning and moving upstream in the Platte River in the spring (Snook and Peters 2000). <br />Some sturgeon also over - wintered in the lower Platte River. This indicated that habitat in <br />the Lower Platte River is likely to be suitable for sub -adult pallid sturgeon (Lutey 2002). <br />Lower Platte River Geomorphology and Hydrology <br />Flow Information <br />Mean daily river discharge is recorded by the USGS at two gage locations within the <br />pallid sturgeon range in the lower Platte River. The records are published annually in the <br />Draft Baseline Report — Pallid Sturgeon Section 12 <br />