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Table I. Evaluation of Program Effects on Whooping Crane <br />11 <br />Potential Sources of Current and <br />Possible Analysis <br />Future Data <br />Methods' <br />Time Frame <br />Data Need: <br />0 USGS gaging station <br />Discharge <br />Instantaneous flow rate <br />0 Permanent transects <br />Data Needs sediment attributes: <br />0 USGSBOR sediment transects <br />Trend analyses <br />Annually, 10 -13 yrs <br />Suspended sediment <br />Permanent transects <br />0 GIS database queries <br />Suspended sediment <br />Flow rate <br />Downstream of major inflows <br />0 Sediment/vegetation <br />measured at high <br />Bed samples (grain size) <br />model <br />flows <br />• Channel morph /bed <br />sample transects <br />during low flow. <br />b) Vegetation Encroachment <br />Pre- and post- land <br />Data Needs vegetation: <br />Transects at selected areas affected by land <br />Sediment/vegetation <br />management activity; <br />Species composition <br />management activities <br />model <br />post- land <br />Height <br />Permanent transects <br />Trend analyses <br />management repeated <br />Density <br />annually for 10 years <br />Data Need: <br />0 Records from USGS gaging stations <br />Aerial photographs <br />Monitored on a <br />Discharge <br />0 Records of timing and magnitude of EA releases <br />Videography <br />continuing basis <br />• Sediment/vegetation <br />model <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- at and downstream of <br />Sediment/ vegetation <br />post- land <br />Active channel width <br />treatment area <br />model <br />management repeated <br />Wetted width <br />annually. during low <br />Width of unobstructed view <br />flows <br />Height of sandbar (cleared) <br />Volume of sediment added <br />(island leveling, channel <br />widening) <br />11 <br />