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Table I. Evaluation of Program Effects on Whooping Crane <br />12 <br />Potential Sources of Current and <br />Possible Analysis <br />Future Data <br />Methods' <br />Time Frame <br />c) Project level land management <br />pre- and post- land <br />Data Needs /channel morphology: <br />Transects across selected areas affected by land <br />Trend analyses <br />management activity; <br />Water Depth <br />management activities- upstream, through and <br />0 Sediment/ vegetation <br />post- land management <br />Channel Width <br />downstream of treatment area <br />model <br />repeated annually <br />Wetted width <br />Width of unobstructed view <br />Height of sandbar (cleared) <br />Volume of sediment added <br />(island leveling, channel <br />widening) <br />Data Needs sandbar /shoreline <br />Transects across selected areas affected by land <br />Trend analyses <br />pre -post land <br />vegetation: <br />management activities- upstream, through and <br />a Sediment/ vegetation <br />management activity; <br />Species composition <br />downstream of treatment area <br />model <br />post- land management <br />Height <br />repeated annually <br />Density <br />Data Need: <br />0 USGS gaging station (nearest to treatment) <br />pre -post land <br />Discharge <br />0 Permanent transects <br />management activity; <br />post - land management <br />repeated annually <br />B. Bottom land Feeding and Loafing Habitat <br />1) Program water management/wet meadows <br />USGS gaging stations <br />Trend analysis <br />Annually <br />Data Need: <br />Records of timing and magnitude of EA <br />Discharge during February and <br />releases <br />March <br />2) Flow /stage relationships <br />USGS gaging stations <br />Data Needs: <br />Discharge <br />River stage <br />12 <br />